- 1(current)
Q. No.Consider the following reaction:
\(\mathrm{2H_2(g) + O_2(g) \rightarrow 2H_2O(g) \Delta_rH^\circ = -483.64 kJ. }\)
What is the enthalpy change for the decomposition of one mole of water?
1. 120.9 kJ
2. 241.82 kJ
3. 18 kJ
4. 100 kJ
\(\mathrm{2H_2(g) + O_2(g) \rightarrow 2H_2O(g) \Delta_rH^\circ = -483.64 kJ. }\)
What is the enthalpy change for the decomposition of one mole of water?
1. 120.9 kJ
2. 241.82 kJ
3. 18 kJ
4. 100 kJ
Subtopic: Thermochemistry |
87%
From NCERT
NEET - 2023
Please attempt this question first.
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At standard conditions, if the change in the enthalpy for the following reaction is -109 kJ mol-1
H2(g)+Br2(g) 2HBr(g) and the bond energy of H2 and Br2 is 435 kJ mol-1 and 192 kJ mol-1
respectively, what is the bond energy (in kJ mol-1) of HBr?
| 1. | 368 | 2. | 736 |
| 3. | 518 | 4. | 259 |
Subtopic: Thermochemistry |
53%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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