100 Free points!

Also, some brain candy:

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.