Calculate the quantity of heat in joules required to completely freeze 203. 5 points grams of H2O(l) at 0.°C.

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-