A chemical reaction is shown. 4P + 5O2 P2O5
What coefficient needs to be placed in front of the products to make sure the law of conservation of
matter is followed?

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

What does x represent in the formula for the compound xcl4?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?