2NO2 --> N2 + 2O2 The above equation is what type of reaction?
A. single replacement
B. synthesis (composition)
C. decomposition
D. combustion

Which term refers to a property that depends only on the amount of a substance? ©@

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

0.09 moles of sodium sulfate in 12 ml of solution