2. If I have a 50 liter container that holds 45 moles of gas at a temperature of 2000°C, what is the pressure inside the container? (R =0.0821)

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?