When 0.2mol of calcium reacts with 880g of water 2.24l of hydrogen gas form at stp how would the amount of hydrogen produced change if the volume of water was decreased to 440ml 400g?

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced

At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?

A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters