3 years ago

How does lowering Kinetic Energy affect the collision of particles?

1 answer:

4 0

Lowering the temperature could also be used to decrease the number of collisions that would occur and lowering the temperature would also reduce the kinetic energy available for activation energy. If the particles have insufficient activation energy, the collisions will result in rebound rather than reaction.5

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a student carries out this chemical reaction in a beaker: Zn+CuCl2-->Cu+ZnCl2 After the reactionhas come to completion, what

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The correct answer is

C. Cu and ZnCl2

Explanation:

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2H2 + O2 --> 2H2OHow many moles of hydrogen gas are needed to produce 120g of water?

wlad13 [49]

<h2>Answer:</h2>

6.67moles

<h2>Explanations:</h2>

Given the balanced chemical reaction between hydrogen and oxygen expressed as:

$2H_2+O_2\rightarrow2H_2O$

First, you need to calculate the moles of water produced.

$\begin{gathered} \text{Moles}=\frac{Mass}{\text{Molar mass}} \\ \text{Moles of water=}\frac{120}{2(1)+16} \\ \text{Moles of water}=\frac{120}{18} \\ \text{Moles of water}=6.67\text{moles} \end{gathered}$

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1 year ago

An auomobile can travel 40.0 miles on one gallon of gasoline.how many kilometers per liter is this?(1.61 km= 1 mi; 1L=0.246 gal)

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