I think they are called ionic bonds.
Answer:
it's an indicator that a chemical reaction occurred.
37.8 grams of CS2 equals to 37.8/76=0.5 mole. So the products have 0.5 mole CO2 which is 11.2 liters at STP. So according to the gas law, the volume at given condition is 12.4 liters. So the answer should be 12.2 liters.
Answer:
C. water freezes (is the answer)
I believe the first one is correct.