Chemistry, 23.03.2020 03:38 masaiyahrhemanow

N2(g) + 2 O2(g) 2 NO2(g) ΔH = +66.4 kJ

What would the enthalpy change for the following reaction be?

4 NO2(g) 2 N2(g) + 4 O2(g) ΔH = ???

a. +66.4 kJ
b. -66.4 kJ
c. +132.8 kJ
d. -132.8 kJ
e. -33.4 kJ

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 07:30

Identify two types of chemical bonding in the source of dietary potassium

Answers: 3

Answer

Chemistry, 22.06.2019 10:10

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2

Answers: 3

Answer

Chemistry, 23.06.2019 00:00

What atom has the largest atomic radius

Answers: 2

Answer

Chemistry, 23.06.2019 03:00

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

Answers: 2

Answer

You know the right answer?

N2(g) + 2 O2(g) 2 NO2(g) ΔH = +66.4 kJ

What would the enthalpy change for the following...