Which is a saturated solution? 1) 52 g KCl in 100 g water at 80ºC
2) 40 g NH4Cl in 100 g water at 50ºC
3) 2 g SO2 in 100 g water at 10ºC
4) 120 g KI in 100 g water at 20ºC

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.

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Stage in which a star’s outer layers have started to cool and grow outward?