A helium-filled weather balloon is launched from the ground where the pressure is 752 mmHg and the temperature is 21°C. Under these conditions its volume is 75.0 L. When it has climbed to an altitude where the pressure is 89 mmHg and the temperature is 0°C, what is its volume?
What is the volume occupied by one mole of helium at 0°C and 1 atm pressure?
Of the following gases, which will behave most like an ideal gas?
Which one of the following substances with their structures shown, will NOT display hydrogen bonding?