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In a reaction where hydrogen peroxide breaks down into water and oxygen gas, which substance(s) are the reactants?
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
In a double replacement reaction hydrogen chloride and sodium hydroxide react to produce sodium chloride. Another product is
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
In chemical reactions, what is the relationship between the total mass of reactants and the total mass of products?
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
Which chemical equation is balanced
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
A substance that enters into a chemical reaction is called a
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
How many atoms of copper (Cu) are represented in 2 Cu2O
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
To balance chemical equations _________________ are used
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
A substance that appears at the end of a chemical reaction is a
coefficients
Ca(OH)2 + CO2 → CaCO3 + H2O
they are the same
hydrogen peroxide
4
reactant
product
water
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