1. Define the law of conservation of mass.

Which of the following is a change from a less condensed to a more condensed state of matter? A.) Boiling B.) Evaporating C.) Condensation D.) Melting

Emission results in the release of energy without any apparent change in mass or nuclear charge. alpha particle beta particle gamma ray omega particle

What liquid will oxidize a nail the fastest (water, salt water, vinegar, coca cola)

The electrons that are responsible for forming a chemical bond are called

What is the acid level of oxygen?

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones

A balloon has a volume of 2.5 L and contains 0.100 moles of Helium. Another balloon has a volume of 5.0 L. They are at the same temperature and pressure. How many moles of gas does the second balloon contain?

Why is it important to that the solid be dry before the final mass measurement?

What is 0.00055030 in Scientific form?