Molecular Physics | Thermodynamics Answers

A glass laboratory flask is filled with gas at 27∘C and 0.97atm pressure, sealed, and then heated to 139∘C. What is the pressure inside the flask?

A copper cup holds some cold water at 4 C. The copper cup weighs 140g while the water weighs 80g. If 100g of hot water, at 90 C is added, what will be the final temperature of the water?

work done in converting one gram of ice at -10 degree c into steam at 100 degree c is

At what temperature will the root mean - square speed of oxygen molecules have the value of 640m/s? 1 kilomole of oxygen has a mass of 32kg
a) 252.5^oc
b) 332.3 ^0c
c) 272.2 ^0c
d) 373.2 ^0c

The temperature at which the tungsten filament of 12v and 36w lamp operates is 1730^0c. if the temperature coefficient of resistance of tungsten is 6 x 10^-3/k, find the resistance of the lamp at a room temperature of 20^0c

The temperature(T) of an ideal gas varies with it's volume (V) as T=-aV ^ 3+bV^2.where 'a' and 'b' are positive constant s.the maximum pressure of gas during this process is.

A closed cylinder vessel contain N moles of an ideal diatomic gas at at constant temperature T.on supplying heat,temperature remains same but 'n' moles get dissociated into atoms.the heat supplied is....

To an ideal tri atomic gas 800cal heat energy is supplied at constant pressure.if vibrational mode is neglected, then energy used by as in work done against surrounding is
A) 200cal. B) 300cal. C) 400cal. D) 60cal

a sample neon gas occupies a volume of 2.8L at 1.8atm. what will its volume be at 1.2atm?

If α(alpha) moles of a monoatomic gas are mixed with β(beta) moles of a polyatomic gas and mixture behaves like diatomic gas, then [ neglect the vibrational mode of freedom