According to Table I, which equation represents a change resulting in the greatest quantity of energy released?

1. 2C (s) + 2H2 (g) - > C2H4 (g)

2. 2C (s) + 3H2 (g) - > C2H6 (g)

3. N2 (g) + 3H2 (g) - >2NH3 (g)

4. N2 (g) + O2 (g) - > 2NO (g)

Question

Kyra

Chemistry

10 April, 20:08

According to Table I, which equation represents a change resulting in the greatest quantity of energy released?

1. 2C (s) + 2H2 (g) - > C2H4 (g)

2. 2C (s) + 3H2 (g) - > C2H6 (g)

3. N2 (g) + 3H2 (g) - >2NH3 (g)

4. N2 (g) + O2 (g) - > 2NO (g)

+4

Answers (1)

Know the Answer?

Dashawn Lee · Answer 1

The answer is 3. The releasing of energy means exothermic reaction. So the ΔH should be negative. And the greatest quantity of energy released means that the greatest number. So according to the table I, the answer is 3.

According to Table I, which equation represents a change resulting in the greatest quantity of energy released?1. 2C (s) + 2H2 (g) - > C2H4 (g)2. 2C (s) + 3H2 (g) - > C2H6 (g)3. N2 (g) + 3H2 (g) - >2NH3 (g)4. N2 (g) + O2 (g) - > 2NO (g)

According to Table I, which equation represents a change resulting in the greatest quantity of energy released?

1. 2C (s) + 2H2 (g) - > C2H4 (g)

2. 2C (s) + 3H2 (g) - > C2H6 (g)

3. N2 (g) + 3H2 (g) - >2NH3 (g)

4. N2 (g) + O2 (g) - > 2NO (g)