What is true for a cyclic process:
a. | W = 0 |
b. | ∆E = 0 |
c. | ∆H = 0 |
d. | ∆E ≠ 0 |
1. a, b
2. b, c
3. c, d
4. a, d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf a system is expanded under adiabatic process, then:
1. Temperature increases
2. ∆E decreases
3. ∆E increases
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true for a reaction in which all the reactants & products are liquids:
1. ∆H = ∆E
2. ∆H = ∆W
3. ∆H > ∆E
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction
C2H5OH(l) + 3O2(g) →2CO2(g) + 3H2O(l) which one is true:
1. | ∆H = ∆E – RT | 2. | ∆H = ∆E + RT |
3. | ∆H = ∆E + 2RT | 4. | ∆H = ∆E – 2RT |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the given reaction
, the heat of formations of are -188 kJ/mol & -286 KJ/mol respectively. The change in the enthalpy of the reaction will be:
1. – 196 kJ/mol
2. + 196 kJ/mol
3. + 948 kJ/mol
4. – 948 kJ/mol
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEnthalpy of is negative. If the enthalpy of combustion of are x and y respectively, then which relation is correct:
1. | x > y | 2. | x < y |
3. | x = y | 4. | x ≥ y |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction:
\(C_{3} H_{8} \left(\right. g \left.\right) + 5 O_{2} \left(\right. g \left.\right) \rightarrow 3 CO_{2} \left(\right. g \left.\right) + 4 H_{2} O \left(\right. l \left.\right)\) at constant temperature, ∆H – ∆E is:
1. | + RT | 2. | – 3RT |
3. | + 3RT | 4. | – RT |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology