A.) A cylindrical glass of water (H2O) has a radius of 4.38 cm and a height of 12.3 cm. The density of water is 1.00 g/cm3. How many moles of water molecules are contained in the glass?
B.) Gas is confined in a tank at a pressure of 1.16E+6 Pa and a temperature of 17.4°C. If half of the gas is withdrawn and the temperature is raised to 68.0°C, what is the new pressure in the tank?