Quiz Questions

Question 1

What is meant by the activation energy for a reaction?

Answer 1

The minimum energy needed for a collision to result in a reaction.
Energy barrier that must be overcome.

Question 2

For a parallel reaction, where two different products are formed from the same reactant, what determined the extent to which one product will be formed over the other?

Answer 2

The size of the rate constants determines amounts of two products.
More product is formed for the product with the larger rate constant.

Question 3

Which particle has a longer deBroglie wavelength, proton or electron?

Answer 3

electron because it is smaller

Wavelength is inversely proportional to momentum

Question 4

Describe experimental evidence that shows light behaves as a particle

Answer 4

photoelectric effect

light hits metal and kicks out electrons inducing a current

Question 5

Ultraviolet Catastrophe

Answer 5

states UV radation shoul be emitted at room temp
high radiation from a cool body
at high frequency everything goes to hell