A 30-l sample of gas exerts 200. mm hg presure at 10c. what is the volume does the gas have at 300. mm hg and 25c

Magnesium ions carry a 2 + charge and chloride ions carry a 1 - charge. what is the chemical formula for the ionic compound magnesium chloride?

If a solution has a pH of 9.6, is it acidic, basic, or neutral?

If you had 6 moles of CaCl2 and 5 moles of Na3PO4, which of these would be the limiting and excess reactant

How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about 6 oz) of coffee at 95 °C so that the resulting combination will have a temperature of 60 °C?

5. What types of waves are generated by earthquakes? A-Longitudinal and surface only B-Surface and transverse only C-Transverse and longitudinal only D-Longitudinal, transverse, and surface

How do earthquakes happen? A. Because of a release of pressure from plate movement B. Only because of a volcanic eruption C. Because of motion of ocean waves D. Only because of a lack of pressure between plates

What happens when two objects made out of different materials are rubbed together? Subject: Electricity

In a redox reaction, which ion would you expect to be more easily reduced? In a redox reaction, which ion would you expect to be more easily reduced? Hypochlorite ion, ClO - They are equally reducible. Not enough information is given.

Which is the most important factor in determining the state of a substance? the size of the atoms in a substance the number of molecules in a substance the position of the electrons on the outer valence shells the balance between intermolecular

What happens when Potassium (K) forms and ion? A. It gains an electron <- - I believe this is correct. B. It loses an electron C. It shares and electron with a nonmetal D. It shares and electron with a metal