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The absolute zero temperature in Fahrenh...

The absolute zero temperature in Fahrenheit scale is

A

`-273^(@)F`

B

`-32^(@)F`

C

`-460^(@)F`

D

`132^(@)F`

Text Solution

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The correct Answer is:
To find the absolute zero temperature in the Fahrenheit scale, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Absolute Zero**: Absolute zero is the lowest possible temperature where all molecular motion stops. In the Kelvin scale, absolute zero is defined as 0 K. 2. **Use the Temperature Conversion Formula**: The relationship between Celsius (C), Fahrenheit (F), and Kelvin (K) can be expressed as: \[ \frac{C}{100} = \frac{F - 32}{180} = \frac{K - 273}{100} \] 3. **Set K to Absolute Zero**: Since we want to find the temperature in Fahrenheit at absolute zero, we set \( K = 0 \): \[ \frac{0 - 273}{100} = \frac{F - 32}{180} \] 4. **Simplify the Equation**: This simplifies to: \[ \frac{-273}{100} = \frac{F - 32}{180} \] 5. **Cross-Multiply to Solve for F**: Cross-multiplying gives: \[ -273 \times 180 = (F - 32) \times 100 \] 6. **Calculate the Left Side**: Calculate \(-273 \times 180\): \[ -273 \times 180 = -49140 \] 7. **Set Up the Equation**: Now we have: \[ -49140 = 100(F - 32) \] 8. **Divide by 100**: Divide both sides by 100: \[ -491.4 = F - 32 \] 9. **Isolate F**: Add 32 to both sides to solve for \( F \): \[ F = -491.4 + 32 \] 10. **Final Calculation**: Calculate \( -491.4 + 32 \): \[ F = -459.4 \] ### Final Answer: The absolute zero temperature in the Fahrenheit scale is \( -459.4^\circ F \).
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