The volume and pressure of a given mass of gas at 27°C are 76cm³ and 80cm³ of mercury respectively. Calculate the volume at s.t.p
A. 36.2cm³ B. 72.8cm³ C. 100.0cm³ D. 808.9cm³ Correct Answer: Option B B. 72.8cm³The diagram shows the variation of volume V of gas with temperature at the point X is
A. -32°C B. -100°C C. -273°C D. -373°C Correct Answer: Option C C. -273°CTwo bodies P and Q, are in thermal equilibrium, which of the following statements about the bodies is correct?
A. the temperature of Q is higher than that of P B. P and Q have the same heat capacity C. P and Q have the same mass D. P and Q are at the same temperature Correct Answer: Option D D. P and Q are at the same temperatureA machine of efficiency 8% is used to raise a body of mass 75kg through a vertical height of 3m in 30s. Calculate the power input. (g = 10ms‾²)
A. 9.4W B. 60.0W C. 75.0W D. 93.8W Correct Answer: Option D D. 93.8WProducts
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