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GaryK [48]
2 years ago
10

Why might increasing the temperature alter the rate of a chemical reaction?

Chemistry
1 answer:
azamat2 years ago
3 0

Answer:

Because after increasing of temperature kinetic energy of molecules increases and reaction speed increases in forward or reverse direction.

Explanation:

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Calculate the molarity of a NaOH solution that is prepared by diluting 100mL of 0.20M NaOH with 150mL of H2O.
lianna [129]

Molarity of solution = 0.08 M

<h3>Further explanation  </h3>

Molarity shows the number of moles of solute in every 1 liter of solution or mmol in each ml of solution  

\tt M=\dfrac{n}{V}  

Where  

M = Molarity  

n = number of moles of solute  

V = Volume of solution  

  • mol of NaOH

\tt mol=0.2~M\times 100~ml=20~mlmol=0.02~mol

  • molarity

Volume of solution = 100 ml + 150 ml = 250 ml

\tt M=\dfrac{0.02~mol}{0.250~L}=0.08

3 0
3 years ago
A mixture of NO2 and N2O4 gas is at equilibrium in a closed container. These gases react with the equation 2NO2 ⇌ N2O4. What wil
AnnZ [28]

Answer:

Equilibrium shifts left making more NO2

Explanation:

In Le Chatlier's Principle,  increase in volume  shifts equilibrium to side with more moles so... there's 2 moles on left and 1 mole on right, so equilibrium shifts to left making more NO2

3 0
3 years ago
How does acid rain happen? (Use the term Sulfur Dioxide) PLS HALP
mafiozo [28]
Acid rain<span> is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as </span>acid rain<span>.</span>
6 0
3 years ago
What occurs when a neutron strikes a stable isotope and causes it to become unstable? A. Energy to mass conversion
Vsevolod [243]

Answer:

Why some elements are radioactive (unstable). When the atoms of an element have extra neutrons or protons it creates extra energy in the nucleus and causes the atom to become unbalanced or unstable. Whether radioactive elements can become stable and if so, how. The unstable nucleus of radioactive atoms emit radiation.

Explanation:

hope this helps

6 0
2 years ago
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Most protein enzymes catalyze only one specific chemical reaction effectively. What feature of protein structure is most directl
babunello [35]

Answer;

d. the specific geometry and types of amino acids in the active site

Explanation;

-Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction. The molecules that an enzyme works with are called substrates. The substrates bind to a region on the enzyme called the active site.

-For a substrate to bind to the active site of an enzyme it must fit in the active site and be chemically attracted to it. The shape of an enzyme determines how it works. Enzymes have active sites that substrate molecules (the substances involved in the chemical reaction) fit into when a reaction happens.

8 0
3 years ago
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