
Concept explainers
(a)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(a)

Answer to Problem 6E
100K is cold.
Explanation of Solution
To convert a temperature in Kelvin to Celsius one can simply subtract 273 from temperature in Kelvin.
On the Celsius scale, 100K is
This is very cold temperature.
(b)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(b)

Answer to Problem 6E
600C is very hot.
Explanation of Solution
Since approximately 20 0C is considered to be room temperature, 600C is a very high temperature so it will be very hot.
(c)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(c)

Answer to Problem 6E
250K is cold.
Explanation of Solution
To convert a temperature in Kelvin to Celsius one can simply subtract 273 from temperature in Kelvin.
On the Celsius scale, 250 K is
This is very cold temperature as approximately 200C is the room temperature.
(d)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(d)

Answer to Problem 6E
250C is warm.
Explanation of Solution
Since approximately 200C is considered to be room temperature, 250C is a warm temperature.
(e)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(e)

Answer to Problem 6E
300K is slightly hot or warm.
Explanation of Solution
To convert a temperature in Kelvin to Celsius one can simply subtract 273 from temperature in Kelvin.
On the Celsius scale, 300K is
This is a slightly hot or warm temperature as 200C is considered to be room temperature.
(f)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(f)

Answer to Problem 6E
-1000C is very cold.
Explanation of Solution
Since 200C is considered to be room temperature also, 0 oC is freezing point of water thus, -1000C is a very low temperature so it will be very cold.
(g)
Interpretation : The given temperature has to be described as warm, hot or cold.
Concept Introduction : Room temperature is often considered to be 200C or 680F or 293K. One can convert a temperature in Celsius to kelvin by adding 273 to it and vice versa.
(g)

Answer to Problem 6E
400K is hot.
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
Since, boiling point of water is 100 oC thus, 127 oC is hot.
Chapter U3 Solutions
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