Most substances become less dense as the temperature increases. which substance is an exception to this rule? a. aluminum at 20°c b. steel at 40°c c. ice at 0°c d. oxygen at 20°c

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

This statement about matter and its behavior is best classified as a

Due tomorrow which would have a lower ph, a 0.1 m solution of a strong base or a weak base? why? which would have a higher ph, a 0.1 m solution of a strong base or a weak base? why?