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# The coldest temperature ever recorded in Iowa was ?47 °F ISBN: 9780321910295 34

## Solution for problem 72P Chapter 3

Introductory Chemistry | 5th Edition

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Problem 72P

The coldest temperature ever recorded in Iowa was −47 °F on February 3, 1998. Convert this temperature to Kelvins and degrees Celsius.

Step-by-Step Solution:

Solution 72P

Here, we are going to convert -47oF to Kelvins(K) and degree Celsius(oC).

Step 1:

Fahrenheit(oF), Kelvin(K) and degree Celsius(oC) are the three common units of temperature.

The relationship between the three scales of temperature is given below:

C/5  =  (F-32)/9 = (K-273)/5                ------(1)

Step 2:

Converting Fahrenheit(oF) to degree Celsius(oC)

From equation (1), we get,

C/5  =  (F-32)/9

C/5  =  (-47 - 32)/9        [substituting the fahrenheit temperature]

C/5  =  (-79)/9

C = [(-79)/9] x 5

C = -43.89

Step 3 of 3

##### ISBN: 9780321910295

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