Reactants and Products in Chemical Reactions
Chemistry ⇒ Chemical Reactions and Equations
Reactants and Products in Chemical Reactions starts at 7 and continues till grade 12.
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Describe what happens to the atoms of reactants during a chemical reaction.
Describe what happens to the total number of atoms during a chemical reaction.
Describe what is meant by the term 'chemical equation'.
Explain why balancing a chemical equation is necessary when identifying reactants and products.
Explain why it is important to identify reactants and products in a chemical reaction.
Explain why the mass of products is equal to the mass of reactants in a chemical reaction.
Identify the reactants in the following reaction: 2\mathrm{Mg} + \mathrm{O}_2 \rightarrow 2\mathrm{MgO}
If 10 grams of reactants are used in a chemical reaction, what will be the total mass of products formed?
In a chemical reaction, what does the arrow (→) represent?
In the reaction: 2\mathrm{Fe} + 3\mathrm{Cl}_2 \rightarrow 2\mathrm{FeCl}_3, how many molecules of \mathrm{FeCl}_3 are produced from 2 molecules of \mathrm{Fe}?
In the reaction: 2\mathrm{H}_2\mathrm{O}_2 \rightarrow 2\mathrm{H}_2\mathrm{O} + \mathrm{O}_2, what is the reactant?
In the reaction: 2\mathrm{K} + 2\mathrm{H}_2\mathrm{O} \rightarrow 2\mathrm{KOH} + \mathrm{H}_2, what are the products?
In the reaction: 2\mathrm{Na} + \mathrm{Cl}_2 \rightarrow 2\mathrm{NaCl}, how many reactants are there?
In the reaction: \mathrm{CaCO}_3 \rightarrow \mathrm{CaO} + \mathrm{CO}_2, how many products are formed?
In the reaction: \mathrm{CH}_4 + 2\mathrm{O}_2 \rightarrow \mathrm{CO}_2 + 2\mathrm{H}_2\mathrm{O}, list all the products.
In the reaction: \mathrm{Fe} + \mathrm{S} \rightarrow \mathrm{FeS}, identify the reactants and the product.
In the reaction: \mathrm{Pb(NO}_3)_2 + 2\mathrm{KI} \rightarrow \mathrm{PbI}_2 + 2\mathrm{KNO}_3, name all the reactants.
State the difference between reactants and products in a chemical reaction.
A reaction is represented as: \mathrm{C}_2\mathrm{H}_4 + \mathrm{H}_2 \rightarrow \mathrm{C}_2\mathrm{H}_6. If 5 moles of \mathrm{C}_2\mathrm{H}_4 react completely, how many moles of \mathrm{C}_2\mathrm{H}_6 will be produced?
A student mixes aqueous solutions of barium chloride and sodium sulfate. A white precipitate forms. Write the balanced chemical equation for this reaction and identify the reactants and products.
