# Problem: Predict whether the following reactions will be exothermic or endothermic.a. N2(g) + 3H2(g) → 2NH3(g)b. S(g) + O2(g) → SO2(g)c. 2H2O(g) → 2H2(g) + O2(g)d. 2F(g) → F2(g)

86% (57 ratings)
###### FREE Expert Solution

We’re being asked to classify each given reaction as exothermic or endothermic

Recall that:

Exothermic reactions: lose energy and involve bonds forming; ΔH is negative

Endothermic reactions: gain energy and involve bonds breaking; ΔH is positive

86% (57 ratings) ###### Problem Details

Predict whether the following reactions will be exothermic or endothermic.

a. N2(g) + 3H2(g) → 2NH3(g)

b. S(g) + O2(g) → SO2(g)

c. 2H2O(g) → 2H2(g) + O2(g)

d. 2F(g) → F2(g)

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Endothermic & Exothermic Reactions concept. If you need more Endothermic & Exothermic Reactions practice, you can also practice Endothermic & Exothermic Reactions practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofPredict whether the following reactions will be exothermic o...as medium difficulty.

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Our expert Chemistry tutor, Dasha took 2 minutes and 33 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Delgado's class at FIU.