Why do the 8 phases of the moon occur

3Fe + 4H2O Fe3O4 + 4H2 1) How many molecules of H2 are produced? 2) How many oxygen atoms are found in the products? 3) How many moles of Fe3O4 are formed? 4) What is the ratio of the number of moles of Fe atoms to the moles of H2O molecules?

At stp, 1.0 l br2 reacts completely with 3.0 l f2, producing 2.0 l of a product. what is the formula of the product? (all substances are gases.)

Calculate the number of chloride ions in 6.8 g of zinc chloride

Which of the following represents a double replacement reaction

As the pressure on the surface of a liquid decreases, the temperature at which the liquid will boil

Looking at the diagram showing hydrochloric acid being added to water. Which statement best explains what is taking place

How many dozens of particles of dust are in 2.45 grams if each dust particle has a mass of 2.51 x 10-4 grams?

What is the number of mole equivalents of H2 produced by the reaction of 1 mole equivalent of Mg (m) with H2SO4 (aq) ?

For two variables in a direct proportion, what is the result of doubling one variable? the other variable is doubled the other variable is halved the other variable stays constant

Electrons located in the outermost shell of an atom are called