A sample of nitrogen gas is at a pressure of 1.20 atm, a volume of 30.0 liters, and a temperature of
87.0 OC. How many moles of gas are in the sample? How many grams of gas are in the
sample?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Which metal exist in liquid state and can be cut with knife ?

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.