Balancing Chemical Equations Answers

The amount of oxygen in the reactants is 4 atoms. In the products, the oxygen is distributed to water (H2O) and O2 gas. Which coefficients would be placed in front of water and oxygen?

Charlie is balancing an equation. She has identified the atoms and counted the number of each in the reactants and products. What would Charlie adjust to make the number of atoms in the reactants the same as the number of atoms in the products?

Which best describes the law of conservation of mass?

The equations are not balanced. Which equation would have the same coefficients in the same order as 2CO2 + 3H20 C2H6O + 3O2?

Substances A and B react in a ratio of A + B → AB. Colin was combining substance A and substance B to form substance AB. He added 10 g of substance A and 45 g of substance B.

If the mass of the products measured 120 g, what would be the mass of the reactants?

Plants use sunlight as energy to convert carbon dioxide and water into glucose and oxygen. Which best describes the reaction?

Which equation is balanced?

Which is the balanced equation for V2O5 + CaS → CaO + V2S5?

One half of a balanced chemical equation is shown.3Mg(OH)2 + 2H3PO4Which lists the numbers of each atom the other half of the equation would contain?