A gas behaves more closely as an ideal gas at
(a) low pressure and low temperature
(b) low pressure and high temperature
(c) high pressure and low temperature
(d) high pressure and high temperature.
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Below what temperature, a gas does not obey ideal gas laws?
Below Boyle’s Temperature.
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Which of these is not related to endoplasmic reticulum? (a) It behaves as transport channel for proteins between nucleus and cytoplasm
(c) It can be the site of energy generation
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For an ideal gas, number of moles per litre in terms of its pressure P, gas constant R and temperature T is.
(c) : From ideal gas equation, PV = nRT Therefore, n/V = P/RT (number of moles = n/V)
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Let Cv and Cp denote the molar heat capacities of an ideal gas at constant volume and constant pressure respectively.
The correct answer is (c) Cp - Cv
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70 calories of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 30°C to 35°C.
The correct answer is (b) 50calories
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Assertion (A) : 60° - 65º latitudes in both the hemispheres have a low pressure belt instead of high pressure.
(c) A is true but R is false. Sub-polar low pressure is located between 60– 65º latitude in both hemisphere. Low pressure is produced in this area, because the surface...
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High temperature and low pressure over the Indian subcontinent during the summer season draws
(b) Due to intensive low pressure belt developed in the north-western plains, the south-west monsoon enters the Indian subcontinent. It blows from Bay of Bengal and the Arabian sea.
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Two ideal gases under same pressure and temperature are allowed to mix in an isolated system. What will be the sign of entropy change?
Entropy change (∆S) is positive. It is because disorder or degree of freedom increases on mixing.
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Doldrums are characterized by (a) uniform low pressure (b) uniform high pressure
(a) Doldrums is the name for the equatorial belt of low pressure lying between 5° south and 5° North latitude.
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Which of the following statements are correct? 1. In a cyclone, the area of low pressure is at the centre surrounded by the areas of high pressure
(b) In a cyclone, the area of low pressure is at the centre surrounded by the areas of high pressure. In an anticyclone, the area of high pressure is surrounded...
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