Which Is The Balanced Equation For The Reaction V 2 O 5 + C A S → C A O + V 2 S 5 V_2O_5 + CaS \rightarrow CaO + V_2S_5 V 2 ​ O 5 ​ + C A S → C A O + V 2 ​ S 5 ​ ?A. V 2 O 5 + C A S → C A O + V 2 S 5 V_2O_5 + CaS \rightarrow CaO + V_2S_5 V 2 ​ O 5 ​ + C A S → C A O + V 2 ​ S 5 ​ B. 5 V 2 O 5 + 5 C A S → 10 C A O + 5 V 2 S 5 5V_2O_5 + 5CaS \rightarrow 10CaO + 5V_2S_5 5 V 2 ​ O 5 ​ + 5 C A S → 10 C A O + 5 V 2 ​ S 5 ​ C. $3V_2O_5 + 3CaS \rightarrow 3CaO +

Understanding Chemical Equations

Chemical equations are a fundamental concept in chemistry, representing the interaction between different substances. A balanced chemical equation is a crucial aspect of chemistry, as it ensures that the number of atoms for each element is the same on both the reactant and product sides. In this article, we will explore the concept of balanced chemical equations and apply it to the given reaction $V_2O_5 + CaS \rightarrow CaO + V_2S_5$.

What is a Balanced Chemical Equation?

A balanced chemical equation is a chemical equation in which the number of atoms for each element is the same on both the reactant and product sides. This means that the number of atoms of each element is conserved during the reaction. A balanced chemical equation is essential in chemistry as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the stoichiometry of a reaction

How to Balance a Chemical Equation

Balancing a chemical equation involves adding coefficients to the reactants and products to ensure that the number of atoms for each element is the same on both sides. The steps to balance a chemical equation are:

1. Write the unbalanced chemical equation
2. Count the number of atoms of each element on both the reactant and product sides
3. Add coefficients to the reactants and products to balance the equation
4. Check that the number of atoms for each element is the same on both sides

Balancing the Given Reaction

The given reaction is $V_2O_5 + CaS \rightarrow CaO + V_2S_5$. To balance this reaction, we need to add coefficients to the reactants and products to ensure that the number of atoms for each element is the same on both sides.

Step 1: Count the Number of Atoms

Let's count the number of atoms of each element on both the reactant and product sides:

Reactants:

• $V_2O_5$: 2 V, 5 O
• $CaS$: 1 Ca, 1 S

Products:

• $CaO$: 1 Ca, 1 O
• $V_2S_5$: 2 V, 5 S

Step 2: Add Coefficients

To balance the equation, we need to add coefficients to the reactants and products. Let's start by adding coefficients to the reactants:

• $2V_2O_5$: 4 V, 10 O
• $CaS$: 1 Ca, 1 S

Now, let's add coefficients to the products:

• $CaO$: 1 Ca, 1 O
• $2V_2S_5$: 4 V, 10 S

Step 3: Check the Balance

Let's check that the number of atoms for each element is the same on both sides:

Reactants:

• V: 4
• O: 10
• Ca: 1
• S: 1

Products:

• V: 4
• O: 10
• Ca: 1
• S: 10

The equation is still not balanced. We need to add more coefficients to the reactants and products.

Step 4: Add More Coefficients

Let's add more coefficients to the reactants and products:

• $5V_2O_5$: 10 V, 25 O
• $5CaS$: 5 Ca, 5 S

Now, let's add coefficients to the products:

• $10CaO$: 10 Ca, 10 O
• $5V_2S_5$: 10 V, 25 S

Step 5: Check the Balance Again

Let's check that the number of atoms for each element is the same on both sides:

Reactants:

• V: 10
• O: 25
• Ca: 5
• S: 5

Products:

• V: 10
• O: 25
• Ca: 10
• S: 25

The equation is now balanced.

Conclusion

In conclusion, the balanced equation for the reaction $V_2O_5 + CaS \rightarrow CaO + V_2S_5$ is:

$5V_2O_5 + 5CaS \rightarrow 10CaO + 5V_2S_5$

This equation is balanced, meaning that the number of atoms for each element is the same on both the reactant and product sides. This is essential in chemistry as it helps to ensure that the law of conservation of mass is obeyed and that the products of a chemical reaction can be predicted.

References

• Petrucci, R. H., Harwood, W. S., & Herring, F. G. (2006). General chemistry: Principles and modern applications. Pearson Prentice Hall.
• Atkins, P. W., & De Paula, J. (2010). Physical chemistry. Oxford University Press.

Frequently Asked Questions

Q: What is a balanced chemical equation?

A: A balanced chemical equation is a chemical equation in which the number of atoms for each element is the same on both the reactant and product sides.

Q: Why is it essential to balance a chemical equation?

A: It is essential to balance a chemical equation to ensure that the law of conservation of mass is obeyed and that the products of a chemical reaction can be predicted.

Q: How do you balance a chemical equation?

A: To balance a chemical equation, you need to add coefficients to the reactants and products to ensure that the number of atoms for each element is the same on both sides.

Q: What is the balanced equation for the reaction $V_2O_5 + CaS \rightarrow CaO + V_2S_5$?

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Q&A: Balanced Chemical Equations

Q: What is a balanced chemical equation?

A: A balanced chemical equation is a chemical equation in which the number of atoms for each element is the same on both the reactant and product sides.

Q: Why is it essential to balance a chemical equation?

A: It is essential to balance a chemical equation to ensure that the law of conservation of mass is obeyed and that the products of a chemical reaction can be predicted.

Q: How do you balance a chemical equation?

A: To balance a chemical equation, you need to add coefficients to the reactants and products to ensure that the number of atoms for each element is the same on both sides.

Q: What are the steps to balance a chemical equation?

A: The steps to balance a chemical equation are:

1. Write the unbalanced chemical equation
2. Count the number of atoms of each element on both the reactant and product sides
3. Add coefficients to the reactants and products to balance the equation
4. Check that the number of atoms for each element is the same on both sides

Q: What is the importance of balancing a chemical equation?

A: Balancing a chemical equation is essential in chemistry as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the stoichiometry of a reaction

Q: How do you determine the coefficients for a balanced chemical equation?

A: To determine the coefficients for a balanced chemical equation, you need to count the number of atoms of each element on both the reactant and product sides and add coefficients to the reactants and products to balance the equation.

Q: What is the difference between a balanced and unbalanced chemical equation?

A: A balanced chemical equation is a chemical equation in which the number of atoms for each element is the same on both the reactant and product sides, while an unbalanced chemical equation is a chemical equation in which the number of atoms for each element is not the same on both the reactant and product sides.

Q: Can a chemical equation be balanced in more than one way?

A: Yes, a chemical equation can be balanced in more than one way. However, the balanced equation that is most commonly used is the one that has the smallest coefficients.

Q: How do you know if a chemical equation is balanced?

A: You can check if a chemical equation is balanced by counting the number of atoms of each element on both the reactant and product sides and ensuring that the number of atoms for each element is the same on both sides.

Q: What is the significance of balancing a chemical equation in real-world applications?

A: Balancing a chemical equation is essential in real-world applications as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the stoichiometry of a reaction

Q: Can you provide an example of a balanced chemical equation?

A: Yes, an example of a balanced chemical equation is:

$2H_2 + O_2 \rightarrow 2H_2O$

This equation is balanced, meaning that the number of atoms for each element is the same on both the reactant and product sides.

Q: How do you balance a chemical equation with multiple reactants and products?

A: To balance a chemical equation with multiple reactants and products, you need to add coefficients to the reactants and products to ensure that the number of atoms for each element is the same on both sides.

Q: What is the difference between a balanced chemical equation and a stoichiometric equation?

A: A balanced chemical equation is a chemical equation in which the number of atoms for each element is the same on both the reactant and product sides, while a stoichiometric equation is a chemical equation that shows the quantitative relationship between the reactants and products.

Q: Can you provide an example of a stoichiometric equation?

A: Yes, an example of a stoichiometric equation is:

$2H_2 + O_2 \rightarrow 2H_2O$

This equation shows the quantitative relationship between the reactants and products.

Q: How do you determine the stoichiometry of a chemical reaction?

A: To determine the stoichiometry of a chemical reaction, you need to balance the chemical equation and calculate the amount of substance required for the reaction.

Q: What is the significance of stoichiometry in real-world applications?

A: Stoichiometry is essential in real-world applications as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the quantitative relationship between the reactants and products

Q: Can you provide an example of a real-world application of stoichiometry?

A: Yes, an example of a real-world application of stoichiometry is in the production of fertilizers. Stoichiometry is used to calculate the amount of nitrogen, phosphorus, and potassium required for the production of fertilizers.

Q: How do you apply stoichiometry in real-world applications?

A: To apply stoichiometry in real-world applications, you need to balance the chemical equation, calculate the amount of substance required for the reaction, and ensure that the law of conservation of mass is obeyed.

Q: What is the importance of stoichiometry in chemistry?

A: Stoichiometry is essential in chemistry as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the quantitative relationship between the reactants and products

Q: Can you provide an example of a chemical reaction that requires stoichiometry?

A: Yes, an example of a chemical reaction that requires stoichiometry is the production of ammonia:

$N_2 + 3H_2 \rightarrow 2NH_3$

This reaction requires stoichiometry to calculate the amount of nitrogen and hydrogen required for the production of ammonia.

Q: How do you calculate the amount of substance required for a reaction?

A: To calculate the amount of substance required for a reaction, you need to balance the chemical equation, calculate the number of moles of each substance required, and ensure that the law of conservation of mass is obeyed.

Q: What is the significance of calculating the amount of substance required for a reaction?

A: Calculating the amount of substance required for a reaction is essential in chemistry as it helps to:

• Ensure that the law of conservation of mass is obeyed
• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the quantitative relationship between the reactants and products

Q: Can you provide an example of a real-world application of calculating the amount of substance required for a reaction?

A: Yes, an example of a real-world application of calculating the amount of substance required for a reaction is in the production of fertilizers. Calculating the amount of nitrogen, phosphorus, and potassium required for the production of fertilizers is essential to ensure that the law of conservation of mass is obeyed and that the products of the reaction are predictable.

Q: How do you ensure that the law of conservation of mass is obeyed in a chemical reaction?

A: To ensure that the law of conservation of mass is obeyed in a chemical reaction, you need to balance the chemical equation, calculate the number of moles of each substance required, and ensure that the number of atoms for each element is the same on both the reactant and product sides.

Q: What is the significance of ensuring that the law of conservation of mass is obeyed in a chemical reaction?

A: Ensuring that the law of conservation of mass is obeyed in a chemical reaction is essential in chemistry as it helps to:

• Predict the products of a chemical reaction
• Calculate the amount of substance required for a reaction
• Understand the quantitative relationship between the reactants and products
• Ensure that the reaction is safe and efficient