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What is the effect of temperature and pr...

What is the effect of temperature and pressure on the yields of products?
a. `N_(2)(s)+3H_(2)(g) hArr 2NH_(3)+x cal`
b. `N_(2)(g)+O_(2)(g) hArr 2NO(g)-y cal`
c. `2SO_(2)(g)+O_(2)(g) hArr 2SO_(3)(g)+46.9 kcal`
d. `PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g)-15.0 kcal`

A

I, II

B

II, III

C

I, III

D

III, IV

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