Please help! 10 points A student increases the temperature of a 300 cm balloon
from 300 K to 600 K.
What will the new volume of the balloon be?

A. 273 cm3
B. 300 cm3
C. 329 cm3
D. 600 cm3

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

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.

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate