Balancing Chemical Equations Answers

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.

Kiley wants to balance the equation H2 + N2 → NH3. Which would be her first step in balancing an equation?

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

The equation below shows a general equation for a reaction, and the amounts of the substance are written underneath. AB + CD → AC + BD(15 g) (?) (?) (10 g)The total mass of the products is 50g. Which best completes the other two amounts?

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

The equation below is for potassium oxide. 4K + O2 2K2O What is the ratio of atoms of potassium to atoms of oxygen?

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?

The equation below is for potassium oxide. 4K + O2 2K2O What is the ratio of atoms of potassium to atoms of 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?