complete and balance the following equation: cr2o72−(aq) ch3oh(aq)→hco2h(aq) cr3 (aq)(acidic solution)

Answer:

the answer to this problem is before

Explanation:

Answer:

28g

Explanation:

Given parameters:

Number of moles of hydrogen  = 3moles

Unknown:

Mass of nitrogen used = ?

Solution:

 To solve this problem, let us establish the balanced reaction equation first;

             N₂  + 3H₂ →  2NH₃

From the balanced reaction equation;

                 3 mole of H₂ will combine with 1 mole of N₂

Now,

   Mass of Nitrogen  = number of moles x molar mass

         Molar mass of N₂  = 2(14) = 28g/mol

   Mass of Nitrogen  = 1 mole x 28g/mole  = 28g

Answer:

The order and arrangement of the planets and other bodies in our solar system is due to the way the solar system formed. Nearest the Sun, only rocky material could withstand the heat when the solar system was young. For this reason, the first four planets—Mercury, Venus, Earth and Mars—are terrestrial planets.

Explanation:

54.0g Al reacts with 64.0g O2 to form Al2O3 according to the equation. 136 grams of Al2O3 form from 64.0 g O2.

The term molar mass is defined as the the ratio between the mass and the amount of substance of any sample of that compound. The molar mass is denoted by the symbol "M".

M = m / n

Molar Mass of O₂ is 32 g/mol

Molar Mass is Al₂O₃ is 102 g/mol

4 Al + 3 O₂ ⇒ 2 Al₂O₃

64.0 g O₂           1 mole           2 moles Al₂O₃            102 g

-----------------  x  --------------  x  ------------------------  x   -------------  

                            32 g               3 moles O₂             1 mole

=  136 g Al₂O₃

Thus,54.0g Al reacts with 64.0g O2 to form Al2O3 according to the equation. 136 grams of Al2O3 form from 64.0 g O2.

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The mass of carbon in a 1 carat diamond is approximately 0.2 grams.

A diamond is composed entirely of carbon atoms arranged in a crystal lattice structure. The carat weight of a diamond refers to its mass, where one carat is equal to 0.2 grams. Since a diamond is made up of carbon atoms, the mass of carbon in a 1 carat diamond is also approximately 0.2 grams.

Diamonds are formed deep within the Earth's mantle under intense pressure and high temperatures. Carbon atoms undergo a process called crystallization, where they bond together in a repeating pattern to form the diamond's structure. This crystal lattice is incredibly strong and gives diamonds their unique properties.

The carat weight of a diamond is a measure of its size, with each carat equal to 0.2 grams. Therefore, a 1 carat diamond would have a mass of approximately 0.2 grams. Since diamonds are composed solely of carbon atoms, the entire mass of the diamond corresponds to the mass of carbon present.

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Answer:

A. The largest value is 7 and the smallest value is 1. Find the difference. 7 - 1 = 6.

Explanation:

The given  statement "Gaseous ammonia reacts with dioxygen gas to produce nitrogen monoxide gas and water" is A. true because This is an example of a chemical reaction called an oxidation-reduction reaction, which is a type of chemical reaction that involves the transfer of electrons between two species.

In this reaction, the oxygen in the dioxygen gas acts as an oxidizing agent, taking electrons from the ammonia. The ammonia in turn acts as a reducing agent, providing electrons to the oxygen. As a result, the ammonia is oxidized, producing nitrogen monoxide and water, which are the products of this reaction.

This reaction can be written as follows: 4NH3 + 5O2 --> 4NO + 6H2O.

The oxidation-reduction reaction between gaseous ammonia and dioxygen gas produces nitrogen monoxide gas and water as products, making the statement  A. true.

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Carbon dioxide absorbs heat from the sun and traps it in the Earth's atmosphere. Since the heat cannot escape, it causes the Earth's temperature to increase. answer C is correct

Carbon dioxide absorbs heat from the sun and traps it in the Earth's atmosphere. Since the heat cannot escape, it causes the Earth's temperature to increase.

The connection between increasing carbon dioxide (CO2) and increasing temperature is based on the greenhouse effect, which is a fundamental principle of Earth's climate system. The greenhouse effect refers to the process by which certain gases in the atmosphere, including carbon dioxide, absorb and trap heat radiated from the Earth's surface.

When fossil fuels are burned, such as coal, oil, and natural gas, they release carbon dioxide into the atmosphere. Additionally, deforestation and other land-use changes also contribute to the increase in atmospheric CO2 levels. These activities have significantly enhanced the natural greenhouse effect.

Carbon dioxide molecules have the ability to absorb and re-emit infrared radiation. When sunlight reaches the Earth's surface, it warms the surface, which in turn emits heat energy in the form of infrared radiation. However, certain gases in the atmosphere, like carbon dioxide, act as a barrier to this outgoing heat radiation. They absorb a portion of the infrared radiation and re-emit it in all directions, including back towards the Earth's surface. This process traps heat in the atmosphere, similar to how a greenhouse traps heat, hence the term "greenhouse effect."

As the concentration of carbon dioxide and other greenhouse gases increases in the atmosphere, more heat is trapped, leading to an overall warming of the Earth's surface and lower atmosphere. This phenomenon is commonly referred to as global warming. The increased energy in the Earth's climate system disrupts weather patterns, alters ecosystems, and poses various risks to human societies.

Scientific studies and observations have established a strong correlation between the rise in atmospheric CO2 concentrations and increasing global temperatures over the past century. The Intergovernmental Panel on Climate Change (IPCC) and numerous scientific institutions worldwide have concluded that human activities, particularly the burning of fossil fuels, are the primary cause of the observed increase in atmospheric CO2 levels and the resulting global warming trend.

In summary, the connection between increasing carbon dioxide and increasing temperature lies in the greenhouse effect, where carbon dioxide absorbs and re-emits heat radiation, trapping it in the Earth's atmosphere and causing the Earth's temperature to rise.

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Answer:

its molecule remain in position without vibrating

Answer:

The Answer is C; There is little, if any, space left between its adjacent molecules.

Explanation:

Because it is so compact, it cannot be compressed any further. Imagine trying to press down on a piece of bread versus a brick. The bread would flatten because it is full of air, but the brick would not because it is compact.

I hope this helps, have a nice day! :)

The replacement of a nucleotide in the DNA sequence can lead to a change in the codon that codes for amino acid, which in turn affects the order of amino acids in the resulting protein molecule. A gene is a segment of DNA that contains the instructions for creating a specific protein, and a nucleotide is a basic building block of DNA.

The order of nucleotides determines the genetic code that is used to create the amino acid sequence of a protein. DNA is transcribed into messenger RNA (mRNA), which is translated into protein by a process known as translation. During translation, each codon in the mRNA sequence is matched with the appropriate amino acid by a molecule called transfer RNA (tRNA). If a nucleotide is substituted in the DNA sequence, it can result in a change in the codon that is read by the ribosome during translation. This can lead to a different amino acid being added to the growing protein chain, or it can cause the production of a premature stop codon, which halts protein synthesis. Both beneficial and detrimental effects can occur as a result of a nucleotide substitution. A beneficial change can result in the production of a protein with improved or new functions, whereas a detrimental change can lead to the production of a non-functional or harmful protein. The severity of the effects depends on the location of the substitution, the type of substitution, and the specific protein being produced. Overall, the replacement of a nucleotide in the DNA sequence can have significant consequences for the resulting protein and the organism as a whole.

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Answer: Yes, sulfuric acid is highly soluble in water.

Explanation:

Answer:

33

Explanation:

The segment register that can be used to form the source operand address in the instruction MOV AX, 100[BP][SI] is DS (Data Segment).

Without knowing the base for Y, it is not possible to establish a direct relationship between the three unsigned numbers X=1001001B, Y=120Q, and Z=5EH.

In the instruction MOV AX, 100[BP][SI], the segment register that can be used to form the source operand address is DS (Data Segment). The DS register holds the segment base address, which is added to the effective address to calculate the physical address of the source or destination data.

Regarding the relationship between the three unsigned numbers X=1001001B, Y=120Q, Z=5EH:

X=1001001B: This is a binary number represented in base 2. It has a value of 73 in decimal notation (base 10). The subscript "B" indicates that the number is in binary format.

Y=120Q: This number is represented using an unknown base, denoted by the subscript "Q." Without knowing the base, it's not possible to determine the exact value of Y or establish a relationship with the other numbers.

Z=5EH: This number is represented in hexadecimal notation (base 16). It has a value of 94 in decimal notation (base 10). The subscript "E" indicates that the number is in hexadecimal format.

Without knowing the base for Y, it is not possible to establish a direct relationship between X, Y, and Z.

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The metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

The amount of heat Q = mcΔT where

Making ΔT subject of the formula, we have

ΔT = Q/mc

Given that Q and m are the same for each metal,

ΔT ∝ 1/c

We see that the temperature change is inversely proportional to the specific heat capacity.

Since the metals are at the same temperature, the metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

So, the metal which will reach the highest temperature is the metal with the lowest specific heat capacity.

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Answer:

(b) The trampoline pushes back with equal force but in the opposite direction

Explanation:

Newton's third law states that when an object applies a force upon another object, the second object applies a force of equal magnitude but opposite direction upon the first object.

Answer:

(Question) When someone jumps down on a trampoline, that person is propelled upwards. Choose the best statement describing how this demonstrates Newton’s third law.

(Answer) The trampoline pushes back with equal force but in the opposite direction.

(Question) When inflating a balloon, which of the following represents an equal but opposite force acting on the balloon?

(Answer) the expansion of the balloon

(Question)  A force of 30 N to the right is applied to an object. An opposite force of 20 N to the left is applied to the same object. What is the net force applied to the object?

(Answer)  10N to the right

(Question)  Two objects with the same mass have the same force applied to them. What can be said of their acceleration?

(Answer)  Their acceleration will be the same.

(Question)  What do force diagrams show?

(Answer)  the magnitude and direction of forces acting on an object

Explanation:

just did the quick check, enjoy UwU

The reaction between Na2S and CuSO4 goes to completion, meaning that all of the available reactants will react. Therefore, the amount of excess reactant remaining is 0 g.

To calculate the amount of each reactant remaining, we need to look at the stoichiometric coefficients of the reaction. Na2S has a coefficient of 1, while CuSO4 has a coefficient of 2. This means that for every 1 mole of Na2S, 2 moles of CuSO4 are needed. We can use the given masses of each reactant to calculate the moles present.

For Na2S: 15.5 g x (1 mol/142 g) = 0.109 mol

For CuSO4: 12.1 g x (1 mol/159 g) = 0.076 mol

Since Na2S has a coefficient of 1, 0.109 mol is the amount of Na2S remaining. However, for CuSO4 the coefficient is 2, so we need to divide 0.076 mol by 2 to get the amount of CuSO4 remaining: 0.038 mol.

Finally, we can convert back to grams to get the amount of each reactant remaining:

Na2S: 0.109 mol x (142 g/1 mol) = 15.3 g

CuSO4: 0.038 mol x (159 g/1 mol) = 6.1 g

Therefore, the amount of excess reactant remaining is 0 g, and the amount of each reactant remaining is 15.3 g of Na2S and 6.1 g of CuSO4.

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Answer:

Plants are called autotrophs because they can use energy from light to synthesize, or make, their own food source. Many people believe they are “feeding” a plant when they put it in soil, water it, or place it outside in the Sun, but none of these things are considered food. Rather, plants use sunlight, water, and the gases in the air to make glucose, which is a form of sugar that plants need to survive. This process is called photosynthesis and is performed by all plants, algae, and even some microorganisms. To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.

Answer:

energy is of course required for photosynthesis to occur as photosynthesis is self is the process of plants of green plants to make food or to provide food for themselves in the presence of sunlight carbon dioxide and using water from the soil in the definition you can also say that sunlight is needed for photosynthesis to take place and some light is a form of energy which is solar energy so energy is required for photosynthesis to occur

The balanced equation tells us that we need 2 molecules of HCl to react with 2 molecules of Mg.

The balanced chemical equation is:

2 Mg + 2 HCl → 2 MgCl2 + H2

To balance this equation, we need to make sure that the number of atoms of each element is the same on both sides of the equation. Here's how to balance it:

2 Mg + 2 HCl → 2 MgCl2 + H2

We see that there are already 2 magnesium atoms and 2 hydrogen atoms on the right-hand side, but only 1 hydrogen atom on the left-hand side. So we need to balance the hydrogen atoms by adding a coefficient of 2 in front of HCl:

2 Mg + 2 HCl → 2 MgCl2 + H2

Now we have 2 hydrogen atoms on both sides of the equation. However, we also added 2 chlorine atoms on the right-hand side, but only 1 chlorine atom on the left-hand side. To balance the chlorine atoms, we need to add a coefficient of 2 in front of MgCl2:

2 Mg + 2 HCl → 2 MgCl2 + H2

Now we have the same number of atoms of each element on both sides of the equation.

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Answer:

1.61%.

Explanation:

The following data were obtained from the question:

Measured mass = 3.15 g.

Actual mass = 3.10 g

Percentage error =.?

The percentage error of the group can be obtained by using the following equation below:

Percentage error = |Actual mass – Measured mass| / Actual mass × 100

Percentage error = |3.10 – 3.15| /3.10 × 100

Percentage error = 0.05/3.1 × 100

Percentage error = 5/3.1

Percentage error = 1.61%

Therefore, the percentage error of the group is 1.61%.

Katie needs to measure water for a recipe she is using to cook dinner. She should measure the liquid in ounce, liter, etc.

A standard glass contains eight ounces. So, one gallon equals 16 eight ounce glasses of water.

Keep the jug with you throughout the day and drink the water from the jug. Note the amount of water left in the jug at the end of the day.

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Answer:

\(\large \boxed{\text{21.6 L}}\)

Explanation:

We must do the conversions

mass of C₆H₁₂O₆ ⟶ moles of C₆H₁₂O₆ ⟶ moles of CO₂ ⟶ volume of CO₂

We will need a chemical equation with masses and molar masses, so, let's gather all the information in one place.

Mᵣ:        180.16

         C₆H₁₂O₆ + 6O₂ ⟶ 6CO₂ + 6H₂O

m/g:      24.5

(a) Moles of C₆H₁₂O₆

\(\text{Moles of C$_{6}$H$_{12}$O}_{6} = \text{24.5 g C$_{6}$H$_{12}$O}_{6}\times \dfrac{\text{1 mol C$_{6}$H$_{12}$O}_{6}}{\text{180.16 g C$_{6}$H$_{12}$O}_{6}}\\\\= \text{0.1360 mol C$_{6}$H$_{12}$O}_{6}\)

(b) Moles of CO₂

\(\text{Moles of CO}_{2} =\text{0.1360 mol C$_{6}$H$_{12}$O}_{6} \times \dfrac{\text{6 mol CO}_{2}}{\text{1 mol C$_{6}$H$_{12}$O}_{6}} = \text{0.8159 mol CO}_{2}\)

(c) Volume of CO₂

We can use the Ideal Gas Law.

pV = nRT

Data:

p = 0.960 atm

n = 0.8159 mol

T = 37  °C

(i) Convert the temperature to kelvins

T = (37 + 273.15) K= 310.15 K

(ii) Calculate the volume

\(\begin{array}{rcl}pV &=& nRT\\\text{0.960 atm} \times V & = & \text{0.8159 mol} \times \text{0.082 06 L}\cdot\text{atm}\cdot\text{K}^{-1}\text{mol}^{-1} \times \text{310.15 K}\\0.960V & = & \text{20.77 L}\\V & = & \textbf{21.6 L} \\\end{array}\\\text{The volume of carbon dioxide is $\large \boxed{\textbf{21.6 L}}$}\)

The conversions are 2000 mg to g id 2 g, 5 ml to l is 0.005 l, 104 km to m is 104000 m, 198 g to kg is 0.198 kg, 2500 m to km is 2.5 km, 75 ml to l is 0.075 l, 65 g to mg is 65000 mg, 5.6 kg to g is 5600 g,8 mm to dm is  0.0008 dm, 5.6 m to cm is 560 cm and 120 dag to dg is  12000 dg.

Conversion is defined as a client action that is performed on your website and is tracked by conversion rate.

1 mg = 0.001 g

1 L = 1000 ml

1 km = 1000 m

1 g = 0.001 kg

1 mm = 0.0001 dm

1 m = 100 cm

1 dag = 100 dg

Thus, the conversions are 2000 mg to g id 2 g, 5 ml to l is 0.005 l, 104 km to m is 104000 m, 198 g to kg is 0.198 kg, 2500 m to km is 2.5 km, 75 ml to l is 0.075 l, 65 g to mg is 65000 mg, 5.6 kg to g is 5600 g,8 mm to dm is  0.0008 dm, 5.6 m to cm is 560 cm and 120 dag to dg is  12000 dg.

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The balanced equation for the reaction of iron with water that results in the production of iron oxide and hydrogen gas is

3 Fe (s) + 4H₂O (g) → Fe₃O₄ (s) + 4H₂ (g)

Iron does not react directly with liquid water but react with water vapour. When the reaction happens, it results in the formation of a solid and a gas. The products of the reaction are Iron oxide and hydrogen. The equation of the reaction would be

Fe (s) + H₂O (g) → Fe₃O₄ (s) + H₂ (g)

Now, we need to balance the equation. On the right-hand side, we have 3 Fe, 4 O and 2 H. Similarly on the left-hand side there are 1 Fe, 1 O and 2 H.

To balance the equation, we add 3 to Fe, 4 to H₂0 and 4 to H₂.

As a result, the balanced chemical equation for the reaction would be

3 Fe (s) + 4H₂O (g) → Fe₃O₄ (s) + 4H₂ (g)

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Answer:

im pretty sure its Frying an egg in a skillet

im so sry if im wrong have a nice day/night (:

Explanation:

The molecule ammonium lauryl sulfate is a detergent because of its hydrophobic tail and a hydrophilic head which are responsible for its cleansing action.

Though not shown, I presume that the property labelled as C must have to do with the cleasing action of the molecule ammonium lauryl sulfate.

The substance has a hydrophobic tail and a hydrophilic head which enables it to form miscles and these are the responsible for the cleansing action of the ammonium lauryl sulfate molecule.

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Answer:

i believe it is strong acids, strong bases, and salts.

Explanation:

Hope this helps : )

Answer:

c2Na+2H 2 0 -2NASH +H 2

Explanation:

i think its wrong

Answer:

91.28 g

Explanation:

The mass of C₃H₈ used is 91.08g

The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a specific measure of the number of atoms or molecules in a bulk sample of matter.

A mole is defined as the amount of substance containing the same number of atoms, molecules, ions, etc. as the number of atoms in a sample of pure 12C weighing exactly 12 g.

Given,

Molecules of carbon dioxide = 3.75 × 10²⁴

We know that,

1 mole = 6.023 × 10²³ molecules

Moles of carbon dioxide = 3.75 × 10²⁴ ÷ 6.023 × 10²³

                                         = 6.226 moles

From the reaction, 3 moles of carbon dioxide is produced by 1 mole of C₃H₈.

So, 6.226 moles will be produced by (1 ÷ 3) × 6.226

                                          = 2.07 moles of C₃H₈

Mass of C₃H₈ = moles × molar mass

                      = 2.07 × 44

                     = 91.08g

Therefore, mass of C₃H₈ used is 91.08g

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