Answered

Get the answers you need at Westonci.ca, where our expert community is dedicated to providing you with accurate information. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Which is the balanced equation for [tex]$V_2O_5 + CaS \rightarrow CaO + V_2S_5$[/tex]?

A. [tex]V_2O_5 + CaS \rightarrow CaO + V_2S_5[/tex]
B. [tex]5V_2O_5 + 5CaS \rightarrow 10CaO + 5V_2S_5[/tex]
C. [tex]3V_2O_5 + 3CaS \rightarrow 3CaO + 3V_2S_5[/tex]
D. [tex]V_2O_5 + 5CaS \rightarrow 5CaO + V_2S_5[/tex]

Sagot :

GinnyAnswer
To determine the balanced equation for the reaction \( V_2O_5 + CaS \rightarrow CaO + V_2S_5 \), follow these steps:

1. Identify the number of atoms for each element on both sides of the equation.

For the initial (unbalanced) equation:
[tex]\[ V_2O_5 + CaS \rightarrow CaO + V_2S_5 \][/tex]

On the left side (reactants):
- \( V_2O_5 \)
- Vanadium (V): 2 atoms
- Oxygen (O): 5 atoms
- \( CaS \)
- Calcium (Ca): 1 atom
- Sulfur (S): 1 atom

On the right side (products):
- \( CaO \)
- Calcium (Ca): 1 atom
- Oxygen (O): 1 atom
- \( V_2S_5 \)
- Vanadium (V): 2 atoms
- Sulfur (S): 5 atoms

2. Compare the number of atoms for each element on both sides:

Vanadium (V):
- Reactants: 2
- Products: 2

Oxygen (O):
- Reactants: 5
- Products: 1

Calcium (Ca):
- Reactants: 1
- Products: 1

Sulfur (S):
- Reactants: 1
- Products: 5

3. Balance the atoms step-by-step:

Since the number of vanadium atoms is already balanced, we can move on to balance sulfur and oxygen.

Balancing Sulfur (S):
To balance sulfur, we need 5 sulfur atoms on the left side to match the 5 sulfur atoms on the right:
[tex]\[ V_2O_5 + 5 CaS \rightarrow CaO + V_2S_5 \][/tex]

Balancing Calcium (Ca):
Now, placing a factor of 5 in front of \( CaO \) to balance calcium:
[tex]\[ V_2O_5 + 5 CaS \rightarrow 5 CaO + V_2S_5 \][/tex]

Balancing Oxygen (O):
There are now 5 oxygen atoms on both sides (all from \( V_2O_5 \) and \( 5 CaO \)).

4. Verify that the equation is balanced:

On the left side (reactants):
- Vanadium (V): 2 atoms from \( V_2O_5 \)
- Oxygen (O): 5 atoms from \( V_2O_5 \)
- Calcium (Ca): 5 atoms from \( 5 CaS \)
- Sulfur (S): 5 atoms from \( 5 CaS \)

On the right side (products):
- Vanadium (V): 2 atoms from \( V_2S_5 \)
- Oxygen (O): 5 atoms from \( 5 CaO \)
- Calcium (Ca): 5 atoms from \( 5 CaO \)
- Sulfur (S): 5 atoms from \( V_2S_5 \)

Since the equation is now balanced, the balanced equation is:
[tex]\[ 5 CaS + V_2O_5 \rightarrow 5 CaO + V_2S_5 \][/tex]

Therefore, the index of the correct balanced equation from the given list is \( 3 \), which corresponds to the balanced equation:
[tex]\[ 5 CaS + V_2O_5 \rightarrow 5 CaO + V_2S_5 \][/tex]
We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Keep exploring Westonci.ca for more insightful answers to your questions. We're here to help.