Calculate the mass-to-mass ratio of 25.0 g of salt in 105 g of water. Work must be shown in order to earn credit.

Which is a strong base? HCl NaOH NH3 H3CO3

How many grams of Carbon are in sample of 400 grams of Co2?

What is the number of protons in the nucleus of an atom equivalent to? a. number of neutrons b. atomic number c. mass number d. atomic weight

Microscopic view of particles in a solid a liquid and gas

Which of the following best describes a solid? a. cannot change its shape to fit its container b. fills all the space in its container c. has atoms loosely attracted to each other

What is the difference between Easterlies and Westerlies?

What are explosives made up of

For the equilibrium reaction 2NH3 (g) + 22 kJ ↔ N2 (g) + 3H2 (g), which of the following changes would result in the formation of more N2 and H2 at equilibrium?

When a chemical reaction occurs, atoms rearrange to form new compounds, but no new atoms are created nor are any destroyed. this concept is called conservation of mass.

The elements on the Periodic Table are arranged in order of increasing (1) atomic mass (2) atomic number (3) first ionization energy (4) selected oxidation state