How much heat energy is required to change 29g of ice at 0°C to
50°C?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid