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For spontaneous cooling of a hot metal rod (system) in the air,

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Important Questions on Thermodynamics

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BITSAT
IMPORTANT
Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 1
The heat required to raise the temperature of a body by 1 K is called
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 7
Which of the following statements is true?
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 12
If the enthalpy of vaporization of water is 186.5 kJ mol-1, the entropy of its vaporization will be
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BITSAT
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 13
For determining the spontaneity of a process, which of the following is considered?
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 18
The favourable conditions for a spontaneous reaction are:
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 1>Q 23
Which of the following relations is correct?
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 2>Q 22

Consider the following processes:

                                ΔH(kJ/mol)

12 A⟶B              +150

3B⟶2C+D       -125

E+A⟶2D         +350

For B+D⟶E+2C, ΔH will be:

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BITSAT
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Comprehensive Guide to BITSAT Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 7 - Thermodynamics>Exercise 2>Q 23
ΔE of combustion of isobutylene is -X kJ mol-1. The value of ΔH is