NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 7 - 14 of 1259

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Question number: 7

» Chemical Thermodynamics » First Law of Thermodynamics » Heat Capacity

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MCQ▾

Question

Bomb calorimeter proceeds at constant?

Choices

Choice (4)Response

a.

Weight

b.

Volume

c.

Pressure

d.

Temperature

Question number: 8

» Chemical Thermodynamics » First Law of Thermodynamics » Work

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MCQ▾

Question

One mole of a gas is heated at constant pressure to raise its temperature by 1°C. The work done in joules is?

Choices

Choice (4)Response

a.

-16.62

b.

- 4.3

c.

19.4

d.

- 8.314

Question number: 9

» Chemical Thermodynamics » Second Law of Thermodynamics » Spontaneity of Processes

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MCQ▾

Question

Melting of ice into water is an example of?

Choices

Choice (4)Response

a.

Reversible process

b.

Non-spontaneous process

c.

Spontaneous process

d.

None of the above

Question number: 10

» Chemical Thermodynamics » First Law of Thermodynamics » Enthalpy

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MCQ▾

Question

Determine the heat of transformation of C (diamond) → C (graphite)?

Choices

Choice (4)Response

a.

0.5 kcal

b.

5.0 kcal

c.

-0.5 kcal

d.

-5.0 kcal

Question number: 11

» Chemical Thermodynamics » State Functions » Entropy

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MCQ▾

Question

If an endothermic reaction occurs spontaneously at constant temperature T and pressure P, then which of the following is true?

Choices

Choice (4)Response

a.

∆ G > 0

b.

∆ S > 0

c.

∆ S < 0

d.

∆ H < 0

Question number: 12

» Chemical Thermodynamics » State Functions » Entropy

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MCQ▾

Question

For an isolated system at equilibrium state the entropy ∆ S will be?

Choices

Choice (4)Response

a.

∆ S < 0

b.

∆ S > 0

c.

∆ S = 0

d.

∆ S ≠ 0

Question number: 13

» Chemical Thermodynamics » Second Law of Thermodynamics » Spontaneity of Processes

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MCQ▾

Question

For the spontaneous process ∆H will be?

Choices

Choice (4)Response

a.

Constant

b.

Zero

c.

Positive

d.

Negative

Question number: 14

» Chemical Thermodynamics » Extensive and Intensive Properties

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MCQ▾

Question

Which one of the following is an intensive property?

Choices

Choice (4)Response

a.

Enthalpy

b.

Mass

c.

Density

d.

Volume

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