If a car goes 30.0 miles per gallon of gasoline how many kilometers could it travel on 1 liter of gasoline

Explain which atom l or m is more stable and why

Which is a characteristic of mixtures?

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.