Which of the following is insoluble in water at 25 °C? Select one:
a. Mg3(PO4)2
b. Ba(C2H3O2)2
c. (NH4)2CO3
d. Ca(OH)2
e. Na2s

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.

What diagram shows the ionic compound of magnesium oxide

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?