QQuestionChemistry
QuestionChemistry
What is the balanced equation for the reaction of lithium metal with fluorine gas?
A. Li (s) + F (g) → LiF (s)
B. Li (s) + F₂ (g) → LiF (s)
C. 2 Li (s) + F₂ (g) → 2 LiF (s)
D. Li (s) + F₂ (g) → LiF
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Answer
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Step 1:I'll solve this step by step with proper LaTeX formatting:
Step 2:: Identify the Reactants
- Lithium metal: $$\text{Li}$$ (solid state)
- Fluorine: \text{F}_{2} (diatomic gas)
Step 3:: Determine the Product
- Lithium fluoride: $$\text{LiF}$$ (ionic solid)
Step 4:: Balance the Chemical Equation
2 \text{Li}(s) + \text{F}_{2}(g) \rightarrow 2 \text{LiF}(s)
- Lithium has a + 1 charge - Fluorine has a - 1 charge - To balance the charges and atoms, we need:
Step 5:: Verify Balanced Equation
- Left side: 2 Li atoms, 2 F atoms - Right side: 2 Li atoms, 2 F atoms - Charges balance - States of matter are correct
Final Answer
C. 2 \text{Li}(s) + \text{F}_{2}(g) \rightarrow 2 \text{LiF}(s)
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