Calculate the amount of heat needed to convert 190.0 g of liquid water to vapor. Write the formula and write answer with unit.

What is happening when the water inside a kettle heats up and begins to boil

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

Scientists often 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 of these numbers in an alternate form.