Why does ice float? ice is less dense than water. ice is denser than water. ice has a lower ph than water. ice has a higher ph than water.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Heat is the total potential energy of a substance that can be transferred. true false

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease