V Hint Check Answer < Question 20 of 27 > Given the thermochemical equations A(g) B(g)...

Question

Question

science chemistry

Answer 1

Answer #1

1)

This reaction is 3*1st reaction

So,

ΔHo rxn = 3* 1st ΔHo rxn

= 3*(80)

= 240 KJ

Answer: 240 KJ

2)

This reaction is -1* 1st reaction

So,

ΔHo rxn = -1* 1st ΔHo rxn

= -1*(80)

= -80 KJ

Answer: -80 KJ

Answer 2

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