C 2 H 4 + 3 O 2 2CO 2 + 2H 2 O . If you start with 45 grams of ethylene(C 2 H 4), how many grams of carbon dioxide will be produced?

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged