Which is one difference between reactants and products? (1 point)
Responses
Products are pure substances while reactants are not.
Products are pure substances while reactants are not.
Products exist in different states of matter from the reactants.
Products exist in different states of matter from the reactants.
Products are on the left side of a chemical equation; reactants are on the right.
Products are on the left side of a chemical equation; reactants are on the right.
Products have different properties than reactants.
Products have different properties than reactants.
Hydrogen and oxygen yield water.
Use the equation to answer the question.
hydrogen + oxygen →
water
H2+O2 → 2H2O
How would you read this equation out loud?
(1 point)
Responses
Hydrogen and oxygen yield water.
Hydrogen and oxygen yield water.
Hydrogen and oxygen give off water.
Hydrogen and oxygen give off water.
Hydrogen and oxygen equal water.
Hydrogen and oxygen equal water.
Hydrogen and oxygen turn into water.
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The correct response is: Products exist in different states of matter from the reactants.
The correct answer is: Products exist in different states of matter from the reactants.
To determine the difference between reactants and products, we need to understand the basics of a chemical reaction. In a chemical reaction, reactants are the substances that undergo a chemical change, while products are the substances that are formed as a result of the reaction.
One key difference between reactants and products is their states of matter. Reactants can exist in any state of matter - solid, liquid, or gas - depending on the specific reaction. On the other hand, products can also exist in different states of matter from the reactants. This means that during a chemical reaction, the state of matter of the substances involved can change.
To determine if there is a difference in the states of matter between reactants and products, you can analyze the chemical equation describing the reaction. The states of matter are usually indicated using abbreviations: (s) for solids, (l) for liquids, (g) for gases, and (aq) for aqueous solutions. If the substances on the reactant side have different state abbreviations than the substances on the product side, then you can conclude that there is a difference in the states of matter between reactants and products.