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Balancing Chemical Equations

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Questions and Answers

What does a balanced chemical equation ensure?

Less reactants than products

More reactants than products

Equal amount of each element on both sides (correct)

Different amount of each element on both sides

Why is balancing a chemical equation important?

To increase the number of molecules in a reaction

To create new elements

To remove the need for coefficients

To ensure compliance with the law of conservation of matter (correct)

What does the coefficient in a chemical equation indicate?

Atomic number of the element

State of matter of the element

Color of the compound

Number of moles of the chemical used (correct)

What is the law of conservation of matter?

Matter can not be created or destroyed in a reaction Signup and view all the answers

What is the primary purpose of using coefficients in a chemical equation?

To balance the equation Signup and view all the answers

How can the hydrogen atoms be balanced in a chemical equation?

Putting the coefficient in front of the sodium hydroxide Signup and view all the answers

In balancing the potassium atoms, which compound needed a coefficient added?

Carbon dioxide Signup and view all the answers

Why does the text suggest putting the coefficient 2 in front of potassium?

To balance the carbon atoms Signup and view all the answers

Which element needed a final check to ensure it was balanced in the chemical equations described?

Sodium Signup and view all the answers

What is the purpose of counting each molecule again at the end of balancing a chemical equation?

To make sure each atom is balanced Signup and view all the answers

How many molecules of oxygen are needed for every molecule of glucose in a balanced chemical equation?

6 Signup and view all the answers

In balancing chemical equations, what is typically the last step to ensure the equation is balanced?

Checking the number of atoms on each side Signup and view all the answers

What is the purpose of changing coefficient numbers in balancing a chemical equation?

To ensure the atoms are balanced Signup and view all the answers

Why is it impossible to increase the number of hydrogen atoms on the reactant side by only 1 atom when balancing a chemical equation?

Hydrogen exists in diatomic molecules Signup and view all the answers

In balancing a chemical equation, what should not be changed to adjust the balance?

Subscript numbers Signup and view all the answers

Balancing Chemical Equations

Choose a study mode

Podcast

Questions and Answers

What does a balanced chemical equation ensure?

Why is balancing a chemical equation important?

What does the coefficient in a chemical equation indicate?

What is the law of conservation of matter?

What is the primary purpose of using coefficients in a chemical equation?

How can the hydrogen atoms be balanced in a chemical equation?

In balancing the potassium atoms, which compound needed a coefficient added?

Why does the text suggest putting the coefficient 2 in front of potassium?

Which element needed a final check to ensure it was balanced in the chemical equations described?

What is the purpose of counting each molecule again at the end of balancing a chemical equation?

How many molecules of oxygen are needed for every molecule of glucose in a balanced chemical equation?

In balancing chemical equations, what is typically the last step to ensure the equation is balanced?

What is the purpose of changing coefficient numbers in balancing a chemical equation?

Why is it impossible to increase the number of hydrogen atoms on the reactant side by only 1 atom when balancing a chemical equation?

In balancing a chemical equation, what should not be changed to adjust the balance?

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