Which of these are measures of quantity?

3 moles of sand grains on a beach

25-pound bag of sugar

16 gigabytes of memory

2-liter bottle of soda

Why do the particles of objects have both kinetic and potential energy?

For a given set of conditions, a sample of 0.95 moles of Kr occupies 5.20 L. How many moles of Kr will occupy 24.8 L under the same conditions?

What would happen to an ecosystem if all the non living things were removed

True or false 1. The valence number of Sulphur in H2S is 1. 2. The symbol of potassium is derived from English name. 3. The apparatus used to carry out distillation process is filter pape 4.

What is the pH of a solution whose OH - concentration is 1*10^-10M?

Which of the following describes chemical properties

What's nuclear decay

When is a hurricane nears land, causes the most damage?

What is the chemical formula for gallium chlorine?

What three processes cause fireworks to emit light?