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Q1.45. Which is held as constant in Boyle's law Temperature Volume (b) Pressure (d) Heat supplied (a) (c)

Q1.45. Which is held as constant in Boyle's law Temperature Volume (b) Pressure (d) Heat supplied (a) (c)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Q1.43. The rate of conduction through 1 cm thick board (k = 0.16 W/m K), with a temperature difference of 40 °C between the two sides. 540 W/m2 330 W/m? (b) 640 W/m? (d) 230 W/m? (a) (c) Q1.44. During adiabatic process, the square of pressure is found to be inversely proportional to the cube of volume. Then the ratio of specific heat of gas is? (b) 1.4 (d) 1 2 (a) (c) 1.5 Q1.45. Which is held as constant in Boyle's law (a) (c) Temperature Volume (b) (d) Heat supplied Pressure Q1.46. PMM2 is a machine which violates (а) (c) First law of thermodynamics Third law of thermodynamics (b) Second law of thermodynamics (d) Zeroth law of thermodynamics Q1.47. (a) The Second law of thermodynamics proves that efficiency of a heat engine Can be 100% (b) Always less than 100% (c) Can be greater than 100% (d) Depends on type of source and sink Q1.48. "It is impossible for any device that operates on a cycle to receive heat from a single reservoir and produce a net amount of work." This is statements is expressed by Clausius (b) Rankine (a) (c) Otto (d) Kelvin Planck Q1.49. COP of an ideal refrigerator working between temperature T1 and T2 (T1 > T2) is (a) B = T2/(TI - T2) B= T1/(T1 - T2) (b) B = T2/(T1 + T2) (d) B= T1/(T1 + T2) (c) Q1.50. A Carnot engine works between 0 °C and 100 °C. The efficiency will be (а) (c) (b) 26.81% (d) 71.23% 20.81% 53.36%
Transcribed Image Text:Q1.43. The rate of conduction through 1 cm thick board (k = 0.16 W/m K), with a temperature difference of 40 °C between the two sides. 540 W/m2 330 W/m? (b) 640 W/m? (d) 230 W/m? (a) (c) Q1.44. During adiabatic process, the square of pressure is found to be inversely proportional to the cube of volume. Then the ratio of specific heat of gas is? (b) 1.4 (d) 1 2 (a) (c) 1.5 Q1.45. Which is held as constant in Boyle's law (a) (c) Temperature Volume (b) (d) Heat supplied Pressure Q1.46. PMM2 is a machine which violates (а) (c) First law of thermodynamics Third law of thermodynamics (b) Second law of thermodynamics (d) Zeroth law of thermodynamics Q1.47. (a) The Second law of thermodynamics proves that efficiency of a heat engine Can be 100% (b) Always less than 100% (c) Can be greater than 100% (d) Depends on type of source and sink Q1.48. "It is impossible for any device that operates on a cycle to receive heat from a single reservoir and produce a net amount of work." This is statements is expressed by Clausius (b) Rankine (a) (c) Otto (d) Kelvin Planck Q1.49. COP of an ideal refrigerator working between temperature T1 and T2 (T1 > T2) is (a) B = T2/(TI - T2) B= T1/(T1 - T2) (b) B = T2/(T1 + T2) (d) B= T1/(T1 + T2) (c) Q1.50. A Carnot engine works between 0 °C and 100 °C. The efficiency will be (а) (c) (b) 26.81% (d) 71.23% 20.81% 53.36%
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