2.2A 50 g silver disk at 300°C is placed in 200 cm of methyl alcohol at 14°C, then removed quickly. Thesilver temperature is found to have dropped to 120°C. Calculate the new temperature of the methylalcohol.[HINT: Specific heat capacities of silver and methyl alcohol are, respectively, 235 J/(kg-K) and 2530J/(kg-K), and density of methyl alcohol is 792 kg/m³]2.3A 0.25 mol of a monatomic ideal gas at 27°C is contained in a cylinder that is fitted with a movablefriction free piston. The temperature of the gas is increased to 127°C while the pressure of 1 atm ismaintained. Calculate:i.how much work is done by the gas in the process,ii.the change in internal energy of the gas,ii.heat that was supplied to the gas.

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2.2 A 50 g silver disk at 300°C is placed in 200 cm of methyl alcohol at 14°C, then removed quickly. The silver temperature is found to have dropped to 120°C. Calculate the new temperature of the methyl alcohol. [HINT: Specific heat capacities of silver and methyl alcohol are, respectively, 235 J/(kg-K) and 2530 J/(kg-K), and density of methyl alcohol is 792 kg/m'] 2.3 A 0.25 mol of a monatomic ideal gas at 27°C is contained in a cylinder that is fitted with a movable friction free piston. The temperature of the gas is increased to 127°C while the pressure of 1 atm is maintained. Calculate: i. how much work is done by the gas in the process,

2.2 A 50 g silver disk at 300°C is placed in 200 cm of methyl alcohol at 14°C, then removed quickly. The silver temperature is found to have dropped to 120°C. Calculate the new temperature of the methyl alcohol. [HINT: Specific heat capacities of silver and methyl alcohol are, respectively, 235 J/(kg-K) and 2530 J/(kg-K), and density of methyl alcohol is 792 kg/m'] 2.3 A 0.25 mol of a monatomic ideal gas at 27°C is contained in a cylinder that is fitted with a movable friction free piston. The temperature of the gas is increased to 127°C while the pressure of 1 atm is maintained. Calculate: i. how much work is done by the gas in the process,

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter11: Energy In Thermal Processes

Section: Chapter Questions

Problem 9WUE: A granite ball of radius 2.00 m and emissivity 0.450 is heated to 135C. (a) Convert the given...

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