Chemistry
Chemistry, 20.12.2019 16:31, eggemotions

1)true or false
chemical reactions are always spontaneous when change in h is negative and change in s is negative

true or false?
2)the driving force of a reaction is the change in kinetic energy.

3) in the reaction so2cl2 double arrows s02+cl2 heat is evolved. what happens when chlorine (cl2) is added to the equilibrium mixture at constant volume?
a.

the temperature of the system increases.
b.

the temperature of the system decreases.
c.

more chlorine is produced.
d.

the temperature remains unaffected.
4) true or false
in a reversible reaction, two substances are in equilibrium if the concentration of each increases by the same amount but the equilibrium constant remains unaffected.
5) a numerical value of the ratio of products to reactants, only at a specified temperature is called a(n)
a.

chemical equilibrium

c.

variable constant
b.

equilibrium constant

d.

ideal gas constant
6)at equilibrium,
a.

all reactions have ceased.
b.

only the forward reaction continues.
c.

only the reverse reaction continues.
d.

both the forward and reverse reactions continue.

answer
Answers: 2

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1)true or false
chemical reactions are always spontaneous when change in h is negative and cha...

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