The volume of the gas at 561.06 K and 70.3 atm will be 168.08 L.
The initial conditions of the gas are given as P₁ = 15.17 atm, V₁ = 641.68 L, and T₁ = 243.41 K. To find the volume of the gas at the new conditions, we can use the combined gas law:
(P₁V₁)/T₁ = (P₂V₂)/T₂
where P₂, V₂, and T₂ are the new pressure, volume, and temperature, respectively.
We can rearrange the equation to solve for V₂:
V₂ = (P₂/P₁) x (T₁/T₂) x V₁
Substituting the given values:
V₂ = (70.3/15.17) x (243.41/561.06) x 641.68
V₂ = 168.08 L
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BRAINLIEST!! identify the compounds that are NONPOLAR covalent. (Hint! There is only) one)
H2O
NCl3
AuCl3
ClO2
SF4
You have identified the following polar covalent substances: H2O, NCl3, AuCl3, ClO2, and SF4.
What is the definition of a compound simple?A thing created by chemically joining two or more distinct components. H (H2O), which is compound of the chemicals hydrogen and oxygen and household salts (NaCl), which is an composite of the chemicals sodium and chloride, are two examples of compounds.
What does chemistry mean by compounds?A compound is a material that is created when two or more distinct chemical elements are mixed in a specific proportion. When the pieces come together, they interact and create chemical bonds that are challenging to break. The sharing or trading of electrons between atoms results in the formation of these bonds.
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I also really need help on this one.
Answer:
I would say ether the first one or the third one because on those questions you always want to choose the one that gives the most information or sound more believe
Hope this helped
Identify the number of sp3-hybridized carbon atoms in the following compound: (CH3)2C=CHC(CH3)3 Number of sp3-hybridized carbon atoms =
The number of sp3-hybridized carbon atoms in (CH₃)₂C=CHC(CH₃)₃ is 6.
What is hybridization?Hybridization refers to the mixing of atomic orbitals of similar energies to form new hybrid orbitals with different geometric and energy characteristics. In chemistry, it is used to describe the bonding between atoms in a molecule and the geometry of the molecule. The most common hybridizations are sp₃, sp₂, and sp hybridizations, which describe the mixing of s and p orbitals to form tetrahedral, trigonal planar, and linear geometries, respectively. Hybridization is a concept in chemistry that refers to the mixing of atomic orbitals to form new hybrid orbitals with different energy levels and geometries.
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What is 2+2 plzzzzz help I’m only 83
Answer: 4
Explanation: if you move to spaces in a number line from 2 you would be at 4
What do these two changes have in common?
sauce burning on a stove
firing a clay pot in a hot kiln
Both are caused by cooling
Both converse mass
Both are chemical changes
Both are physical changes
sauce burning on a stove and firing a clay pot in a hot kilnBoth are physical changes. Therefore, option D is correct.
What are physical changes?Physical changes can be defined as changes affecting the state of a chemical substance, but not its composition. Physical changes can be used to separate mixtures into their component compounds, but can not generally be used to separate compounds into elements or simpler compounds.
Physical changes takes place when substances undergo a change that can not change their composition. while the chemical change in which the composition of a substance changes when substances combine or break up to form new substances.
In general a physical change can be consideed as reversible using physical means. A physical change includes a change in physical properties such as change of strength, change of durability, textural change, shape, size, volume and density.
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By looking at the units on the rate constant, we can always determine:the rate lawthe overall reaction orderany individual reaction ordernone of the above
The rate constant, also known as the specific rate constant, is a proportionality constant that relates the rate of a chemical reaction to the concentration of reactants. It is defined as the rate of the reaction when the concentrations of all reactants are 1 M and the temperature is held constant.
The units of the rate constant depend on the order of the reaction, which is the exponent to which the concentration of each reactant is raised in the rate law. For example, a first-order reaction has units of s⁻¹ for the rate constant, while a second-order reaction has units of M⁻¹ s⁻¹.
By looking at the units of the rate constant, we can determine the order of the reaction with respect to each reactant and the overall reaction order. However, we cannot determine the exact form of the rate law, as it also depends on the values of the rate constant and the exponents in the rate law.
Therefore, while the units of the rate constant provide important information about the reaction, they do not allow us to fully understand the reaction mechanism and kinetics. Other experimental methods, such as determining the initial rates or conducting rate experiments at different concentrations, are necessary to fully characterize a chemical reaction.
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why do we see only one side of the moon from earth?
Answer:
The moon's period of rotation and revolution are equal
Metalloids is a synonym for …
Metals conduct electricity, while (metals/non-metals/semi-metals) do not conduct electricity.
Explanation:
Metals conduct electricity, while non-metal do not conduct electricity.
If you had 1.00 kg of each kind of hardware, how many boxes of each would you
have?
The number of boxes is calculated by dividing the
total mass of hardware boxes by 1.00 kg
What is a hardware?A hardware is a physical component of a system that can be touched and felt.
Because hardware are physical components, they always have a given mass.
Assuming, several hardware each of mass 1.00 kg is available to be chosen from.
Also, assuming that the sum total of the mass of all the hardware is known.
The number of boxes can be calculated as follows:
total mass of hardware/1.00 kgTherefore, the number of boxes is obtained by dividing the sum of the mass of the boxes by 1.00 kg.
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Plate movement is thought to be the result of what
Answer: Plate movement is thought to be driven by a combination of the motion of the seafloor away from spreading ridges due to variations in topography and density changes in the crust.
Hope this helps
Help please thank you!!
The hydrogen sulfide (H2S) has covalent bonds. So it is a covalent compound.
What is covalent bond?
The covelent bond is the bond in which the participating atoms overlap with each other and their valence electrons are shared for bonding. The 2 nuclei are held together by the overlapping electron cloud in the overlapped region.
The compound hydrogen sulfide has one sulfur atom which is a central atom bonded to 2 H atoms through covalent bonds. The covalent bonds are single bonds formed between H and S in H2S. The sulfur atom has large size and greater charge on it.
Therefore, the hydrogen sulfide is a covalent compound formed by the covalent bonds.
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What is the pH of 1/2 L of drain cleaner?
Answer:
12 to 14
Explanation:
drain cleaners contain sodium hydroxide or potassium hydroxide which are strong bases . The pH value of sodium hydroxide and potassium hydroxide is 14 and 12 respectively on the pH scale. So, most drain cleaners have a pH of from 12 to 14, regardless of how much L there are.
Adiponectin is a protective cytokine. This cytokine is anti-inflammatory and increases insulin sensitivity. Adiponectin is usually decreased in obesity.
Adiponectin is a protective cytokine. This cytokine is anti-inflammatory and increases insulin sensitivity are true about Adiponectin.
Option A and B are correct.
Is adiponectin a cytokine that reduces inflammation?Adiponectin constricts provocative reactions to various boosts by balancing flagging pathways in an assortment of cell types. The mitigating properties of adiponectin might be a significant part of its useful consequences for cardiovascular and metabolic issues including atherosclerosis and insulin obstruction.
What is the primary mitigating cytokine?The interleukin (IL)-1 receptor antagonist, IL-4, IL-10, IL-11, and IL-13 are the major anti-inflammatory cytokines. Depending on the circumstances, transforming growth factor (TGF)-, interferon-alpha, leukemia inhibitory factor, IL-6, and TGF- are classified as either pro-inflammatory or anti-inflammatory cytokines.
Incomplete question :
Which of following are true statements ?
A. Adiponectin is a protective cytokine.
B. This cytokine is anti-inflammatory and increases insulin sensitivity.
C. Adiponectin is usually decreased in obesity.
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SOMEONE PLEASE ANSWER MY QUESTION.
12.
(01.04 MC)
What is the most likely evidence of an energy transformation taking place when a wire that is twisted and turned breaks? (5 points)
1. Reddish glow is emitted as kinetic energy is transformed into thermal energy
2. Reddish glow is emitted as kinetic energy is transformed into electrical energy
3. Broken end of the wire turns hot as kinetic energy is transformed into thermal energy
4. Broken end of the wire turns hot as kinetic energy is transformed into electrical energy
The most likely evidence of an energy transformation taking place when a wire that is twisted and turned breaks is as follows:
The broken end of the wire turns hot as kinetic energy is transformed into thermal energy.Thus, the correct option for this question is C.
What is Energy transformation?Energy transformation may be defined as the process that significantly involves the conversion of one form of energy into another or the migration of energy from one place to another.
According to the context of this question, the wire is an electrical appliance that might be heated due to excessive usage. Due to this, the energy of motion which is known as kinetic energy gets transformed into thermal energy when its ends are broken.
Therefore, the correct option for this question is C.
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PLS HELP ASAP!!!!! IM TIMED!!!!!
1. compound
2. element
3. element
4. compound
5. compound
6. element
7. compound
8 element
StitchXpika plzzzzzzzzz
Answer:
Ok so for this chemistry question Stich is probally a typo so lets say sticks Sticks in an x form is common way of Squirrels showing hibernation. This is your answer.
Who was the first president of United States? A Benjamin Franklin B George Washington C Abraham Lincoln D John Adams
Answer:
B. George Washington
Explanation:
On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States
hope it helps
#carry on learning
if a buffer solution is 0.220 m in a weak base ( b=5.7×10−5) and 0.570 m in its conjugate acid, what is the ph? ph=
The pH of the buffer solution is 9.343.
To solve this problem, we need to use the Henderson - Hasselbalch equation:
pOH = pKb + log ([conjugate acid]/[weak base])
First, we need to find the pKa of the conjugate acid. Since we know the concentration of the weak base and its pKa, we can use the equation:
pKb = -log (Kb)
pKb =- log(5.7 *10^ -5) = - (log 5.7 + log 10^ -5) = -(0.756 + (-5*log 10)) = -(0.756 +(-5*1)) = - (0.756 -5)= -(-4.244)= 4.244
pKb= 4.244
Plugging the values into Henderson - Hasselbalch equation :
pOH = 4.244 + log(0.570/0.220) = 4.244 + log(2.590) = 4.244+0.413 = 4.657
We can calculate pH using the formula as follows :
pH +pOH =14
pH =14 - pOH = 14 - 4.657 = 9.343
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If there is no oxygen in space how does the sun burn?.
Explanation:
Since there is a vacuum in space, there is no oxygen there, so how does the sun burn? It releases energy because of nuclear fusion in it's core where hydrogen turns into helium. That is how the sun becomes hot amd bright.
Consider the follwing redox reaction: NO(g) + KMnO4(aq) MnO2(s) + KNO3(aq)
The total number of electrons transferred in this reaction is _____
The redox reaction is: NO(g) + KMnO4(aq) → MnO2(s) + KNO3(aq). The total number of electrons transferred in this reaction is 3.
To determine the total number of electrons transferred in this reaction, we need to identify the oxidation states of the elements involved and calculate the change in their oxidation states.
In this reaction, nitrogen in NO changes its oxidation state from +2 to +5, and manganese in KMnO4 changes its oxidation state from +7 to +4. Since nitrogen is increasing its oxidation state, it undergoes oxidation, whereas manganese is decreasing its oxidation state, so it undergoes reduction.
The change in oxidation state for nitrogen is +3, and for manganese is -3. Since the changes are equal and opposite, the total number of electrons transferred in this redox reaction is 3.
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On the periodic table, elements are arranged by
-alphabetical order
-mass numbers
-density
-increase atomic number
Answer:
increase atomic number
they all have numbers on the top that continues
A solution is any mixture of two or more substances.
TRUE or
FALSE
Answer:
true
Explanation:
Define Neutralisation reaction along with examples.
Answer:
Please find the definition and example of neutralization reaction below
Explanation:
In chemistry, neutralization reaction is a type of reaction involving a base and an acid to form salt and water. In other words, when an acid and a base comes together chemically to form a salt and water, a neutralization reaction is said to occur.
For example; in a reaction between sodium hydroxide (NaOH) and hydrogen chloride (HCl) as follows:
HCl(aq) + NaOH(aq) → NaCl(s) + H2O(l)
In this neutralization reaction, the HCk is the acid while the NaOH is the base (reactants). For the products, the NaCl is the salt while H2O is water.
Electrical energy is transformed into many energy forms and is used to power most of the household appliances we used every day. which appliance is a source of mechanical energy. I've found that its between b and d but I can't choose! A) boombox (I think) B) toaster C) fridge D) blender
Answer:
D) Blender..................
the atomic mass of nickel (ni) is 58.693 amu, and the atomic mass of chlorine (cl) is 35.45 amu. which molar mass is correct for nickel chloride (nicl2)?(1 point)
The molar mass of nickel chloride (NiCl2) is 129.593 amu/mol.
To determine the molar mass of nickel chloride (NiCl2), we need to add the atomic masses of one nickel atom and two chlorine atoms, as there are two chlorine atoms in each molecule of NiCl2.
The atomic mass of nickel (Ni) is 58.693 amu, and the atomic mass of chlorine (Cl) is 35.45 amu. Therefore, the molar mass of NiCl2 can be calculated as:
Molar mass of NiCl2 = atomic mass of Ni + (atomic mass of Cl x 2)
Molar mass of NiCl2 = 58.693 amu + (35.45 amu x 2)
Molar mass of NiCl2 = 58.693 amu + 70.90 amu
Molar mass of NiCl2 = 129.593 amu/mol
Therefore, the molar mass of nickel chloride (NiCl2) is 129.593 amu/mol.
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How many moles are in 14.0156 grams of C3H12?
Answer:
Explanation:
Molar Mass of C3H12 (I don't think this chemical exists anywhere but on paper so I'll solve it that way, but check to see if you have written the question correctly.)
3C = 3 * 12 = 36
12*H = 12*1 = 12
Total = 48 grams
mols = given mass / molar mass
Given mass = 14.0156 grams
Molar mass = 48 grams
moles = 14.0156 / 48
mols = 2.900 mols
Notes
When you enter your answer, be sure and include the zero for sig digs.You must clean up my numbers (make them more accurate) using your periodic table.PLLLLLLLZ HELP IS NEEDED ASAP I WOULD REALLY APPRECIATE IT
Answer:
1)Reactants
2)Light
3)An item that can increase reaction rates
4)Reactants must collide with each other
Less molecules lower the chance for collisions
The more collisions there are the higher the reaction rate
A chemist used 6.5 moles of water in this reaction. How many grams of water were used?
please go into detail as to why that is the answer PLSSS
Answer:
\(\boxed {\boxed {\sf 120 \ or \ 117 \ grams \ H_2O \ depending \ on \ significant \ figures }}\)
Explanation:
We want to convert from moles of water to grams of water.
First, find the molar mass of water (H₂O) Look on the Periodic Table for the masses of hydrogen and oxygen.
Hydrogen (H): 1.008 g/molOxygen (O): 15.999 g/molNext, add up the number of each element in water. The subscript of 2 comes after the H, so there are 2 moles of hydrogen.
2 Hydrogen: (1.008 g/mol*2) = 2.016 g/molFinally, add the molar mass of 2 hydrogen and 1 oxygen.
2.016 g/mol (2 Hydrogen) + 15.999 g/mol (1 oxygen)= 18.015 g/molNext, find the grams in 6.5 moles.
Use the molar mass we just found as a ratio.
\(molar \ mass \ ratio: \frac{18.015 \ g \ H_2O}{1 \ mol \ H_2O}\)
We want to find the grams in 6.5 moles. We can multiply the ratio above by 6.5
\(6.5 \ mol \ H_2O * \frac{18.015 \ g \ H_2O}{1 \ mol \ H_2O}\)
Multiply. Note that the moles of H₂O will cancel each other out.
\(6.5 * \frac{18.015 \ g \ H_2O}{1}\)
\(6.5 * {18.015 \ g \ H_2O}\)
\(117.0975 \ g \ H_2O\)
If we want to round to the technically correct significant figures, it would be 2 sig figs. The original measurement, 6.5, has 2 (6 and 5).
\(\approx 120 \ g \ H_2O\)
how does the strength of the resultant electric field change around like point charges
Answer:
The charge alters that space, causing any other charged object that enters the space to be affected by this field. The strength of the electric field is dependent upon how charged the object creating the field is and upon the distance of separation from the charged objects.
Mark me brainliest if I'm correct ;)
technician a says that an example oxygenate is sulfur. technician b says that lead is used today in the united states to oxygenate fuel. who is correct?
Chemical substances known as oxygenates have oxygen as one of their constituent parts. Tech B is correct
Although technically any substance containing oxygen qualifies as an oxygenate, the term is most frequently used to refer to substances added to internal combustion engine vehicles.
Oxygenate fuel additives are either alcohols, like ethanol, or ethers, with methyl tertiary butyl ether, or MTBE, being the most often used. Any chemical compound that has at least one hydroxyl group, which is made up of oxygen and hydrogen and is connected to the carbon atom in an alkyl group, is referred to as alcohol. Alkyl groups are made up of hydrogen and carbon atom chains.
Alcohols are a crucial group in organic chemistry despite their lack of chemical specificity because of how many different compounds they can originate from and be transformed into.
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