Kilkenny308
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Which statement correctly describes a chemical reaction? Reactants come out of a reaction. Energy is always released. Bonds between atoms break and new bonds form. Products go into a reaction.

Sagot :

Answer: Bonds between atoms break and new bonds form.

Explanation:  

A chemical reaction takes place when bonds between atoms of the reactants break and new bonds form in the product.

An endothermic chemical reaction requires energy to break the bonds and an exothermic reaction releases energy.

Reactants go into a reaction and products come out.

Chemical reaction:

A + B ⇒ AB

where A and B are reactants and AB is the product. Atomic bonds of A and B break to form new bonds in the product AB

mariejoepagaduan

The correct statement is: Bonds between atoms break and new bonds form. Chemical reaction is the rearrangement of atoms to form new substances. The bonds in the reactants first break so that atoms may be free to rearrange and form new bonds resulting in the products.

FURTHER EXPLANATION

Reactants come out of a reaction - FALSE.

The general equation that represents an equation is shown below:

[tex]A \ + B \rightarrow \ C \ + \ D[/tex]

A and B are the reactants. They are the starting materials of a chemical reaction.

C and D are the products. Products are the new substances formed during the reaction.

Energy is always released - FALSE.

Bond breaking and bond forming always involve energy.

Breaking the bonds of the reactants requires energy input while the formation of bonds in the products release energy.

Endothermic reactions are reactions that absorb heat. Examples are photosynthesis and baking a cake.

Exothermic reactions release heat to the surroundings like combustion reactions.

Products go into a reaction - FALSE.

Products are the outcome of the chemical reaction. They are the new substances that are formed as a result of the rearrangement of the atoms.

LEARN MORE

  • Law of Conservation of Matter https://brainly.com/question/9434062
  • Balancing Equations https://brainly.com/question/2399130
  • Exothermic and Endothermic Reactions https://brainly.com/question/1875234

Keywords: reactants, products, chemical reaction

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