Chapter U3.5, Problem 7E

(a)

Interpretation Introduction

Interpretation : The given temperature has to be converted to degree Celsius.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

  $-173{}^{\text{o}}\text{C}$

Explanation of Solution

To convert a temperature in Kelvin to Celsius one can simply subtract 273 from temperature in Kelvin.

On the Celsius scale, 100 K is $100-273=-173{}^{\text{o}}\text{C}$

(b)

Interpretation Introduction

Interpretation : The given temperature has to be converted to Kelvin.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

333 K

Explanation of Solution

To convert a temperature in Celsius to Kelvin we simply add 273 to temperature in Celsius.

On the Kelvin scale, 60⁰C is $60+273=333\text{ K}$

(c)

Interpretation Introduction

Interpretation : The given temperature has to be converted to degree Celsius.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

  $-23{}^{\text{o}}\text{C}$

Explanation of Solution

To convert a temperature in Kelvin to Celsius we simply subtract 273 from temperature in Kelvin.

On the Celsius scale, 250K is $250-273=-23{}^{\text{o}}\text{C}$

(d)

Interpretation Introduction

Interpretation : The given temperature has to be converted to Kelvin.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

298 K.

Explanation of Solution

To convert a temperature in Celsius to Kelvin one can simply add 273 to temperature in Celsius.

On the Kelvin scale, 25⁰C is $25+273=29\text{8 K}$

(e)

Interpretation Introduction

Interpretation : The given temperature has to be converted to degree Celsius.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

  $27{}^{\text{o}}\text{C}$

Explanation of Solution

To convert a temperature in Kelvin to Celsius we simply subtract 273 from temperature in Kelvin.

On the Celsius scale, 300K is $300-273=27{}^{\text{o}}\text{C}$

(f)

Interpretation Introduction

Interpretation : The given temperature has to be converted to Kelvin.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

173 K

Explanation of Solution

To convert a temperature in Celsius to Kelvin one can simply add 273 to temperature in Celsius.

On the Kelvin scale, -100⁰C is $-100+273=173\text{ K}$

(g)

Interpretation Introduction

Interpretation : The given temperature has to be converted to degree Celsius.

Concept Introduction : Temperature in Kelvin can be converted to degree Celsius and vice versa.

Answer to Problem 7E

  $127{}^{\text{o}}\text{C}$

Explanation of Solution

To convert a temperature in Kelvin to Celsius one can simply subtract 273 from temperature in Kelvin.

On the Celsius scale, 400K is $400-273=127{}^{\text{o}}\text{C}$