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Water boils at 212°F. Which temperature is equivalent?

A. 0 K
B. 100 K
C. 244 K
D. 373 K
E. 485 K


Sagot :

To determine the equivalent temperature in Kelvin for water boiling at [tex]\( 212^{\circ} \text{F} \)[/tex], we need to use the conversion formula between Fahrenheit and Kelvin. The formula is:

[tex]\[ K = (F - 32) \times \frac{5}{9} + 273.15 \][/tex]

Let's break this down step-by-step:

1. Subtract 32 from the Fahrenheit temperature:
[tex]\[ 212 - 32 = 180 \][/tex]

2. Multiply the result by [tex]\(\frac{5}{9}\)[/tex]:
[tex]\[ 180 \times \frac{5}{9} = 100 \][/tex]

3. Add 273.15 to the result:
[tex]\[ 100 + 273.15 = 373.15 \][/tex]

Thus, the equivalent temperature of [tex]\( 212^{\circ} \text{F} \)[/tex] is [tex]\( 373.15 \, K \)[/tex]. When we look at the given choices:

A. [tex]\( 0 \, K \)[/tex]

B. [tex]\( 100 \, K \)[/tex]

C. [tex]\( 244 \, K \)[/tex]

D. [tex]\( 373 \, K \)[/tex]

E. [tex]\( 485 \, K \)[/tex]

The closest and correct equivalent temperature is [tex]\( 373 \, K \)[/tex], aligning with the result [tex]\( 373.15 \, K \)[/tex] we found in our step-by-step calculation. Therefore, the correct answer is:

D. [tex]\( 373 \, K \)[/tex]