Chemical reactions

Front

Which of the following models best demonstrates a balanced chemical equation? Options: F, G, H, J

Back

F

Front

What information can be determined from the chemical formula C₆H₁₂O₆?

Back

The number of atoms of each element in a glucose molecule

Front

The reactants are on the left side of the chemical equation.

Back

True

Front

In a ___________change, a substance changes into a different substance.

Back

Chemical

Front

The Law of Conservation of Mass states

Back

that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants

Front

How many Al atoms are in this compound? 4Al₂O₃

Back

8

Front

How many F atoms are in this compound? 6MgF₂

Back

12

Front

What are the elements or compounds that are formed in a chemical reaction?

Back

Products

Front

Balance the equation: _Fe + _S --> _FeS

Back

1,1,1

Front

Which of the following is a sign that a chemical reaction has occurred? Options: change in shape, melting, formation of a gas, dissolving

Back

formation of a gas