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Balancing Chemical Equations with Iron and Water

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Balancing Chemical Equations with Iron and Water

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Questions and Answers

In a chemical reaction, as per the law of conservation of mass, what happens to the total mass of the elements?

It can be created during a reaction

It decreases after the reaction

It is destroyed during a reaction

It remains the same before and after the reaction (correct)

Why do we need to balance a chemical equation?

To increase the number of atoms in the reactants

To decrease the number of atoms in the products

To change the type of elements involved in the reaction

To ensure the number of atoms of each element remains the same before and after a reaction (correct)

What does a balanced chemical equation indicate about the number of atoms of each element?

The number of atoms increases before the reaction

The number of atoms remains the same before and after the reaction (correct)

The number of atoms changes after the reaction

The number of atoms decreases after the reaction

Which step is involved in balancing a chemical equation where you need to draw boxes around each formula first?

Step I Signup and view all the answers

What does Step III in balancing a chemical equation involve?

Selecting the element with maximum number of atoms Signup and view all the answers

Which element is chosen for adjustment first in Step III of balancing a chemical equation?

The element with maximum number of atoms Signup and view all the answers

What is the primary purpose of selecting the element with maximum number of atoms in balancing a chemical equation?

To balance out the total number of atoms on both sides of the equation Signup and view all the answers

What is the significance of ensuring that a chemical equation is balanced?

To satisfy the law of conservation of mass Signup and view all the answers

Which step involves adjusting coefficients to balance a chemical equation?

Step IV Signup and view all the answers

What is done first when balancing a chemical equation?

Drawing boxes around each formula for clarity Signup and view all the answers