If 10.0 g of copper was heated from 10.0°C to 80.0°C, how much energy was used to heat Cu? The specific heat capacity of Cu is 0.092 cal/g °C.

Which is the most likely way an automotive engineer would use chemistry

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.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?