nAt T = 1200º C the reaction: P.(g) + 2P2(8) has an equilibrium constant R, 0.612. Suppose the initial partial pressure of Pris 5.00 atm and that of P, is 2.00 atm. Calculate the re- action quotient, Q. and state whether the reaction proceeds to reactants or products.
Answers
Since Q (0) is less than the equilibrium constant R (0.612), the reaction will proceed in the forward direction, moving towards the formation of more products.
The reaction quotient, Q, is calculated using the formula Q = (PPr)^1 x (PP2)^2, where PPr and PP2 are the partial pressures of Pr and P2, respectively. Plugging in the given values, we get Q = (5.00)^1 x (2.00)^2 = 20.00 atm^2.
To determine the direction of the reaction, we compare the reaction quotient, Q, to the equilibrium constant, K. If Q < K, the reaction proceeds forward to products. If Q > K, the reaction proceeds backward to reactants. And if Q = K, the reaction is at equilibrium.
In this case, the equilibrium constant R = 0.612, which means the reaction strongly favors reactants. Since the reaction quotient Q is much larger than the equilibrium constant (Q > K), the reaction will proceed in the reverse direction towards reactants.
To answer your question, we'll first need to correct the given reaction. Assuming the correct reaction is P(g) + 2P₂(g) ⇌ P₃(g), we can proceed.
Given the initial partial pressures, P(P) = 5.00 atm and P(P₂) = 2.00 atm, and no P₃ is mentioned, so we assume P(P₃) = 0 atm initially.
To calculate the reaction quotient, Q, we'll use the expression: Q = [P₃]/([P] * [P₂]^2). Plugging in the initial values, we get:
Q = (0) / (5.00 * 2.00^2) = 0
Since Q (0) is less than the equilibrium constant R (0.612), the reaction will proceed in the forward direction, moving towards the formation of more products.
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To calculate the reaction quotient Q and determine whether the reaction proceeds to reactants or products, we can follow these steps:
1. Write down the balanced chemical equation:
\(P (g) + 2 P2 (g) ⇌ 3 P (g)\)
2. Given: T = 1200ºC, K = 0.612, initial partial pressure of P is 5.00 atm, and initial partial pressure of P2 is 2.00 atm.
3. Write down the expression for the reaction quotient, Q:
\(Q = [P]^3 / ([P] * [P2]^2)\)
4. Plug in the initial partial pressures:
\(Q = (5.00)^3 / (5.00 * (2.00)^2) = 125 / 20 = 6.25\)
Now we can compare Q to the equilibrium constant, K, to determine whether the reaction proceeds to reactants or products.
Since Q > K (6.25 > 0.612), the reaction will proceed towards the reactants to reach equilibrium.
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Related Questions
A sample of neon gas has a volume of 7.2 mL at a pressure of 1.5atm. What is the pressure exerted by the gas if the volume is increased to 28.8 mL at constant tempature
Answers
The pressure exerted by the neon gas, when the volume is increased from 7.2 mL to 28.8 mL at constant temperature, can be calculated using Boyle's Law. The pressure exerted by the neon gas, when the volume is increased to 28.8 mL at constant temperature, is 0.375 atm.
Boyle's Law states that at constant temperature, the product of the pressure and volume of a gas remains constant. Mathematically, it can be expressed as P₁V₁ = P₂V₂. This law allows us to calculate the change in pressure when the volume changes.
In this case, the initial volume (V₁) is given as 7.2 mL, and the initial pressure (P₁) is 1.5 atm. The final volume (V₂) is 28.8 mL. By substituting these values into Boyle's Law equation, we can solve for the final pressure (P₂).
When we perform the calculations, we find that the pressure exerted by the neon gas, when the volume is increased to 28.8 mL, is 0.375 atm. As the volume increases, the pressure decreases due to the inverse relationship between pressure and volume.
Using Boyle's Law: P₁V₁ = P₂V₂
Given:
Initial volume (V₁) = 7.2 mL
Initial pressure (P₁) = 1.5 atm
Final volume (V₂) = 28.8 mL
To find the final pressure (P₂):
P₂ = (P₁ * V₁) / V₂
= (1.5 atm * 7.2 mL) / 28.8 mL
= 0.375 atm
Therefore, the pressure exerted by the neon gas, when the volume is increased to 28.8 mL at constant temperature, is 0.375 atm.
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Could you determine the density of cadmium nitrate usingwater?
I think this may be an easy question that I am overthinking. Cadmium nitrate has a melting point of 59 C so itis liquid and it is water soluble. I think you would normalynot use water to determine it's density...instead use a pipet andflask to do the measurements. However, that doesn't mean youcouldn't measure it's density by way of water displacement,right? So, my thinking is yes. Or am I missing somepoint?
Thanks.
Answers
Using water displacement can be a viable method to determine the density of cadmium nitrate.
While it is not a conventional method, water displacement can be used to determine the density of cadmium nitrate. By measuring the volume of a known mass of cadmium nitrate based on the amount of water it displaces, the density can be calculated.
However, it is important to consider the solubility of cadmium nitrate in water and any potential chemical reactions or interactions that may occur. This method can provide an estimation of the density, but it is essential to exercise caution and consider the limitations and potential factors that may affect the accuracy of the measurement.
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Which polymer are synthetic
Answers
Answer:
Examples of synthetic polymers include nylon, polyethylene, polyester, Teflon, and epoxy.
How many atoms of titanium are in 0.085 mol of titanium
Answers
Answer:
5.12x10^23 atoms
Explanation:
To find atoms, you need to use Avogadro's number. Here is the equation:
0.085 mol x 6.022x10^23 atoms = 5.12x10^22 atoms of titanium
Keep in mind that units need to cancel and make sure to double check those sig figs!
What is the molecularity of each of the following elementary reactions? Write the rate law for each.
(a) Cl2(g) → 2 Cl(g)
(b) OCl–(aq) + H2O(l) → HOCl(aq) + OH–(aq)
(c) NO(g) + Cl2(g) → NOCl2(g)
Answers
The molecularity of an elementary reaction is equal to the sum of the stoichiometric coefficients of the reactants.
The molecularity of an elementary reaction is the number of molecules or atoms involved in the reaction. It is equal to the sum of the stoichiometric coefficients of the reactants.
(a) The elementary reaction Cl2(g) → 2 Cl(g) is a unimolecular reaction, as only one molecule is involved. The rate law for this reaction can be written as:
rate = k[Cl2]
(b) The elementary reaction OCl–(aq) + H2O(l) → HOCl(aq) + OH–(aq) is a bimolecular reaction, as two molecules are involved. The rate law for this reaction can be written as:
rate = k[OCl–][H2O]
(c) The elementary reaction NO(g) + Cl2(g) → NOCl2(g) is a bimolecular reaction, as two molecules are involved. The rate law for this reaction can be written as:
rate = k[NO][Cl2]
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Fructose can enter glycolysis at two distinct points, depending on the tissue. How is fructose metabolized in adiposetissue?a.Fructose is converted to fructose-1-phosphateb.Fructose is converted to fructose-6-phosphatec.Fructose is cleaved to two molecules of GAPd.Fructose is cleaved to GAP and DHAP
Answers
In adipose tissue, fructose is primarily metabolized through the pathway of fructose-1-phosphate. This is because adipose tissue lacks the enzyme fructokinase, which is required for the conversion of fructose to fructose-6-phosphate.
In adipose tissue, fructose is primarily metabolized through the pathway of fructose-1-phosphate. This is because adipose tissue lacks the enzyme fructokinase, which is required for the conversion of fructose to fructose-6-phosphate. Therefore, the only route for fructose metabolism in adipose tissue is through the conversion of fructose to fructose-1-phosphate, which is then cleaved to dihydroxyacetone phosphate (DHAP) and glyceraldehyde-3-phosphate (GAP) by aldolase B. These two molecules can then enter glycolysis and be used for energy production or converted to fatty acids for storage in adipose tissue.
In adipose tissue, fructose is metabolized by first being converted to fructose-1-phosphate. Then, it is cleaved into two molecules: glyceraldehyde (GAP) and dihydroxyacetone phosphate (DHAP). These two molecules can then enter glycolysis, allowing the fructose to be further metabolized.
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What is the minimum amount of material that must be present in a living organism?
Answers
Answer:
Living things can have a minimum of one cell
Explanation:
Living things can have a minimum of one cell; these are called unicellular organisms. Some examples of unicellular organisms: bacteria, algae (plants), some fungi, and protozoa
hope this helps!
In an ecosystem ,cell is the minimum amount of material that must be present in a living organism.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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the Earth and moon have different forces of gravity.
Which measurement did they not use? *
mass
density
weight
O
volume
Answers
Answer:
volume
Explanation:
the mass is the same on earth as it is on the surface of the moon. The weight is determined by the force of gravity. The density is the thickness. But the volume is not a factor.
What is Decomposition Reaction
Answers
Answer:
Explanation:
Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.
The decomposition reaction can be represented by the general equation:
AB → A + B
Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.
There are different types of decomposition reactions, including:
Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):
CaCO3 → CaO + CO2
Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):
2H2O → 2H2 + O2
Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:
Cl2 → 2Cl
These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.
Answer:
Explanation:
reaction in which a compound breaks down into simpler substances or elements
How many moles are in 68 grams of copper
Answers
Answer:
1.07 moles
Explanation:
\( mole = \frac{mass}{molar \: mass} \)
\(molar \: mass \: = 63.54\)
\(mole = \frac{68}{63.54} \)
\(mole = 1.07 \: moles\)
How would an astronomer identify our home in the universe? Earth is in the solar system. The Milky Way is in the solar system. The solar system is next to the Milky Way. Earth is in the Milky Way and next to the solar system. The Milky Way is in the universe. The solar system is in the Milky Way. Earth is in the solar system. The universe is in the Milky Way. The Earth is in the Milky Way. Earth is at the center of the solar system.
Answers
Answer:
Earth is in the solar system.
Explanation:
Earth is our home and it is in the solar system.
Earth is the fifth-largest of the planets in the solar system and the third planet from the sun. Earth is the only planet having oxygen and water that supports life. Till now according to the research Earth is the only planet having life.
Planets are in the solar system, the solar system is in the milky way and the milky way is present in the universe. The astronomer identifies our home in the universe as "Earth is in the solar system" as Earth is our home.
Hence, the correct answer is "Earth is in the solar system."
Answer:
The Milky Way is in the universe. The solar system is in the Milky Way. Earth is in the solar system.
Explanation:
If the Milky Way Is in the universe and solar system you would know earth is also In the solar system, so "Our home planet is the third planet from the Sun, and the only place we know of so far that's inhabited by living things. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface."
СН2OH - CHOH - СН2ОН
Answers
Coal, oil (petroleum), and natural gas are used as fuel. The
graph shows changes in the per capita consumption of
these three natural resources since 1820
Per Capita Consumption of Various Fuels
25
jetes per capita per year
15
Cool
5
What is the most result of this increased use of foss?
Answers
Answer:
Fossil energy has been a fundamental driver of the technological, social, economic and development progress which has followed.In 2019, around 84% of global primary energy came from coal, oil and gas. Over the coming decades we need to rapidly reduce this share by displacing them with low-carbon energy sources.Fossil energy has been a fundamental driver of the technological, social, economic and development progress which has followed.In the sections above we looked at the consumption of fossil fuels collectively. But it’s important to look at the role of coal, oil and gas individually – their impacts are not equal. Coal, for example, typically produces more CO2 and local air pollution per unit of energy.There would be more research on the use of alternate fuels.Moreover, fossil fuels are composed primarily of carbon and hydrogen atoms. On combustion they produce carbon dioxide, sulfur dioxide, and carbon monoxide as the main by-products.Solar energy can only be captured during daylight hours.
Explanation:
if you write this then you will get full marks in your assignment it is valied for up to 16 class I don't know about any further it I have mixed many iconic and logic facts that are imp in science!
La siguiente reacción es altamente exotérmica: N2H4 + O2 → N2 + H2O ∆H= -622,4 Kj Cuánto calor se libera al producir 5 moles de nitrógeno.
Answers
Answer: -3112 kJ of heat will be released when 5 moles of nitrogen is produced.
Explanation:
We are given:
Moles of nitrogen = 5 moles
Given chemical reaction follows:
\(N_2H_4+O_2\rightarrow N_2+2H_2O;\Delta H=-622.4 KJ\)
By stoichiometry of the reaction:
If 1 mole of nitrogen gas is produced, the heat released is -622.4 kJ
So, if 5 moles of nitrogen gas is produced, the heat released will be = \(\frac{-622.4kJ}{1mol}\times 5mol=-3112kJ\)
Hence, -3112 kJ of heat will be released when 5 moles of nitrogen is produced.
the element with atomic number 35 belongs to which block
Answers
Answer:
p-block elements
Explanation:
The last valence electrons enter into the p-orbital hence they are classified under p-block elements. From the periodic table we know that Atomic number 35 belongs to Bromine.
Which statement is true of the energy levels of electrons in shells.
Answers
The correct statements about the energy levels of electrons in shells are the following:
Each electron shell has a different energy level.The electron shells closer to the nucleus are of lower energy than those further away.What are the energy levels of electrons?They are the energy charge that an electron possesses, where in each period (in each shell) only a certain number of electrons fit.
Characteristics of energy levels of electronsEach orbit corresponds to an "energy level" and can only contain a strictly defined number of electrons.Within each energy level, electrons could be grouped into "sublevels," and each sublevel could only contain a given number of electrons.The electrons are placed in the different levels and sublevels in order of increasing energy until they are completed.Therefore, we can conclude that the electrons of an atom have different energy levels, so they are classified by the energy level in which each of them is located.
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help me with this please
Answers
Answer:
Gap 1, S-Phase, Gap 2, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
Hope this helps.
small band of frequencies the retina of the eye responds to
-radio waves
-microwaves
-infrared waves
-visible light
-ultraviolet rays
-x-rays
-gamma rays
-cosmic rays
Answers
Answer:
Visible light
Explanation:
our eyes are sensitive to a very narrow band of frequencies within the enormous range of frequencies of the electromagnetic spectrum. This narrow band of frequencies is referred to as the visible light spectrum. Visible light.
Answer:
Visible light.
Explanation:
It says visible as in visible to us we cant see the others or they would also be called visible light.
how many valance electrons does CL have
Answers
Answer:
7
Explanation:
An atom of a group 17 element such as chlorine has seven valence electrons. It is “eager” to gain an extra electron to fill its outer energy level and gain stability.
nitrogen from a gaseous phase is to be diffused into pure iron at 675 c. if the surface concentraion is maintained at 2 wt% n, what will be the concentration 2 mm from the surface after 25 hours? the diffusion coefficient for nitrogen in iron at 675 c is 2.8 x 10^-11 m^2/s.
Answers
The concentration of nitrogen 2 mm from the surface after 25 hours is approximately 0.0198 wt%.
To find the concentration of nitrogen 2 mm from the surface after 25 hours, we can use Fick's second law of diffusion. The formula is given by:
C(x, t) = C0 * erfc((x / (2 * sqrt(D * t)))
Where:
C(x, t) is the concentration at a distance x from the surface at time t
C0 is the initial concentration at the surface
erfc is the complementary error function
D is the diffusion coefficient
x is the distance from the surface
t is the time
Given:
Initial concentration, C0 = 2 wt% = 0.02
Diffusion coefficient, D = 2.8 x 10^-11 m^2/s
Distance from the surface, x = 2 mm = 0.002 m
Time, t = 25 hours = 25 * 3600 seconds = 90000 seconds
Substituting these values into the formula:
C(0.002, 90000) = 0.02 * erfc((0.002 / (2 * sqrt(2.8 x 10^-11 * 90000))))
Evaluating this equation, we find that the concentration of nitrogen 2 mm from the surface after 25 hours is approximately 0.0198 wt%.
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PLS HELP ASAPP NEED RN
1. Compare the spatial arrangements of Zn atoms in the reactants to the spatial arrangements of the hydrogen
gas molecules in the products.
2. Calculate the mass of the hydrogen gas produced if the reaction goes to completion producing 2.05 g of
ZnCl2.
3. Draw a balanced particle model that shows how the reactants changed into the products.
Answers
Let us take our minds back to the kinetic theory of matter. Recall that the particles that compose matter are in constant random motion and the solids are arranged in a definite pattern while the particles of a gas are in random motion.
As such, the zinc has its atoms in a fixed pattern while the hydrogen atoms are roaming freely in the gaseous state.
Given that;
Amount of the acid = 10.95 g/36.5 g/mol = 0.3 moles
Amount of the zinc = 1g/65 g/mol = 0.015 moles
Given the reaction equation; \(Zn(s) + 2HCl(aq) ------ > ZnCl_{2} (aq) + H_{2}(g)\)
1 mole of Zn reacts with 2 moles of acid
0.015 moles of zinc reacts with x moles of acid
x =0.015 moles * 2 moles / 1 mole
= 0.03 moles
Thus, the zinc is the limiting reactant.
1 moles of the zinc produces 1 mole of the hydrogen
The amount of the hydrogen produced = 0.03 moles * 2 g/mol
= 0.06 moles of hydrogen
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I NEED HELP ASAP Follow significant figures rules. Show your work (will be turned in later
Answers
Adding energy to an endothermic reaction will push the reaction towards...
A. Will have no effect
B. Products
C. Reactants
thank you :)
Answers
Answer:
Products
Explanation:
In an endothermic reaction, energy is taken in. This means that the absorption of energy favours the forward reaction.
Hence for a process; A + B----> C, if energy must be added for the equilibrium to shift towards the right and more of C is produced, then the reaction is endothermic.
flavor compounds group of answer choices may be hydrophilic or hydrobhobic are typically highly volatile can be analyzed using a gas chromatograph all of the above
Answers
It is true that flavour compounds can exhibit hydrophilic or hydrophobic properties, can be highly volatile, and can be analyzed using a gas chromatograph. The correct answer is: "All of the above."
Flavour compounds can possess different characteristics that contribute to their unique properties. In this case, when considering the given answer choices, it is true that flavour compounds can exhibit hydrophilic or hydrophobic properties, can be highly volatile, and can be analyzed using a gas chromatograph.
Flavour compounds are often composed of a diverse range of molecules, some of which are water-soluble (hydrophilic) and some that are oil-soluble (hydrophobic). These properties play a crucial role in determining their interactions with different food components and their overall sensory perception.
Additionally, flavour compounds are known for their volatility, meaning they can easily vaporize at relatively low temperatures. This characteristic contributes to their ability to be perceived by the olfactory system and contributes to the overall flavour profile of a substance.
Gas chromatography is a widely used analytical technique for separating and identifying volatile compounds, making it particularly suitable for the analysis of flavour compounds. By using a gas chromatograph, the different components of a flavour mixture can be separated based on their unique physicochemical properties and detected with high sensitivity.
Therefore, the correct answer is: "All of the above."
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how many formula units of lead (IV) phosphate in 1.75g
Answers
At 35 degrees C, a small methane gas has a volume of 1.5 liters. The temperature of the methane gas is slowly cooled to to 17 degrees C. What is the new volume of the methane sample?
Answers
Answer: Trump
Explanation: chocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chocchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate chocolate chipchocolate
What is base unit used to measure volume?
Answers
Answer:
SI unit
Explanation:
the base unit of volume in the SI system is the cubic meter
Answer:
wasdwsdwasdasdhjkgchkhjck
Explanation:
gkghkghklhjljkxfjy iuipfghjgykjhgklj
The sentence below from the section "1 Million Species Threatened" helps prove the claim that humans need nature.
"Nature is essential for human existence and good quality of life," the report said.
Which selection from the section provides further support for the claim?
3 points
A big report released on May 6 warned that nature is in trouble and estimated that 1 million species are threatened with extinction if nothing is done.
Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said.
He pointed to how difficult it has been for China to come back from decades of forest loss. The country has replanted trees in recent years.
The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services report points to more than 2,500 wars and other conflicts over fossil fuels, water, food and land.
Answers
The selection from the section that provides further support for the claim is that B. Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said.
What is the selection that supports the claim?Selection 2, "Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said." provides further support for the claim that humans need nature.
It lists several specific ways in which nature is essential for human existence and good quality of life, and it is align with the statement "Nature is essential for human existence and good quality of life," the report said. Additionally, it provides an estimation of 18 ways which nature helps human to survive, adding more weight on the statement.
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How many atoms are in 2.54 L oxygen gas, 02?
Answers
Answer: 2.94x10^22 atoms of O2
Explanation:
To determine the number of atoms in a given volume of a gas, you need to know the molar volume of the gas and the number of moles of the gas present.
The molar volume of a gas at standard temperature and pressure (STP) is 24.45 L/mol. At STP, the pressure is 1 atm and the temperature is 0°C (273.15 K).
So, to find the number of moles of a gas present in a container, you can use the Ideal Gas Law: PV = nRT.
Where:
P = pressure (atm)
V = volume (L)
n = number of moles
R = ideal gas constant (0.0821 L·atm/mol·K)
T = temperature (K)
So we can rearrange the formula to find n = PV/RT
n = (2.44 atm * 2.54 L) / (0.0821 L·atm/mol·K * 275 K) = 0.049 moles
To find the number of atoms of O2, we just multiply the number of moles by Avogadro's number which is 6.022x10^23 atoms/mol.
So the number of atoms of O2 in 2.54 L at 2.44 atm and 275 K is:
6.022x10^23 atoms/mol * 0.049 moles = 2.94x10^22 atoms of O2
This is the number of atoms of O2 present in the container.
When electricity passes through water (H20), the water breaks down to form
hydrogen gas (H2) and oxygen gas (02).
Which equation represents this chemical reaction?
A.2H20+ 02 – 2H2
B.2H2 + 02 – 2H20
C.2H20 + 2H2 – 02
D.2H20 - 2H2 + O2
Answers
Answer:
A. Because you have to simplify
Answer:
decomposition
Explanation:
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