all questions How many grams or water are there in 2.2 moles given that the mola

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How many grams or water are there in 2.2 moles given that the molar mass of Hydrogen is/mole and for oxygen 16 g/mol and that the chemical symbol for water is H O a. 40 g b. 18 g c .16 g d. 20 g In an isothermal process the work done by the gas is 500 J. The amount of heat added is a. 100 J b. 500 J c. 200 J d. 300 J The average speed of an oxygen molecule at 30 C is a. 342 m/s b. 685 m/s c. 484.5 m/s d. none of the answers If the temperature of a quantity of gas is raised from 10 K to 200 K the internal energy of the gas a. increases by a factor of 3 b. decreases by a factor of 2 c. increases by a factor of 2 d. increases by a factor of The amount of heat necessary to raise the temperature of a unit of mass and degree is a. latent heat b. specific heat c. sensible heat d. heat of A 5.0 g aluminum at 20 degree C amount of heat of 47.8 cal, its final temperature is a. 75 degree C b. 65 degree C c. 63 degree C d. 15 degree C When the Earth receives energy from the sun, the mode of heat transfer is a. Convection b. radiation c. conduction d. all of the above.

Explanation / Answer

in the isothermal process for an ideal gas the heat flow in the gas is equals to the work done by the Gas due to expansion of gas.

therefore W=Q

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