Why does the phase of the moon affect tides

What is the ph of a solution with a hydroxide ion, oh-, concentration of 5.4 x 10-4 m?

Discuss the uses and economic value of the mineral. Estimate south africa's global reserves and production of thise mineral

4Cr (s) + 3O2 (g) = Cr2O3 (s) Find the theoretical yield in moles and grams

Calculate how much 95% ethyl alcohol will be required to dissolve 0.1 g of sulfanilamide at 78 c using volume calculate how much sulfanilamide will remain dissolved after mixture is cooled to 0

Is "diamonds are the hardest known substance" a physical property?

How does decreasing the temperature of a solid affect the motion of the particles in the solid?

How has earth change during our current era?

What are the phase transitions in which heat energy is gained?

A cylinder contains 4.0 g of nitrogen gas. A piston compresses the gas to half its initial volume. Afterward, by what factor has the mass density of the gas increased?

The balanced equation below represents the reaction between magnesium metal and hydrochloric acid to produce aqueous magnesium chloride and hydrogen gas. Mg (s) + 2HCl (aq) = = > MgCl2 (aq) + H2 (g) A piece of Mg (s) has a volume of 0.