Why is it that different amounts of things can still equal one mole?

How to balance the chemical equation H2 + N2

The physical properties of a compound are similar to those of its elements. true or false

The label on a bottle of Hydrogen peroxide reads 3.0% hydrogen peroxide. The bottle is 946 ml. How many ml of hydrogen peroxide does the bottle contain?

The distance from the earth to the sun is how many light years A) Exactly one light year B) Any number of light years C) Less than one light year D) More than one light year

What is the transfer of energy by electromagnetic waves? A) radiation B) conduction C) convection D) thermal energy

Ethanoic acid and 1-butanol can react to produce water and a compound classified as an 1) aldehyde 2) amine 3) ester 4) halide

Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. which equation below best describes the balanced equation for this reaction?

2H2 + O2 - - > 2H2O If 16 mol of oxygen were reacted with excess hydrogen gas, how many moles of water would be produced?

Which subatomic particle identifies an atom as that of a particular element? how is this particle related to the atoms atomic number

Which of the following prefixes means seven