The freezing and boiling points of water in ° X are to be calculated. Concept introduction: The temperature of an object is the measure of the coldness and hotness of the object relative to another object. The S.I unit of temperature is Kelvin ( K ) . The other units of temperature are degree Celcius ( °C ) and Fahrenheit ( ° F ) . The first is the Fahrenheit ( °F ) scale common in the United States. On this scale, the freezing point of water is 32 °F and the boiling point is 212 °F . The room temperature is around 72 ° F on this scale. The other scale common in countries apart from the United States is the Celsius ( °C ) scale. On this scale, the freezing point of water is 0 °C and the boiling point of water is 100 °C . The room temperature is around 22 °C . The third scale is the Kelvin scale which is also known as Absolute scale. The conversion factor to convert temperature from degree Celsius to Kelvin is, T ( K ) = T ( °C ) + 273.15 The conversion factor to convert temperature from degree Celsius to Fahrenheit is, T ( °F ) = 9 5 T ( ° C ) + 32

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Chapter 1, Problem 1.81P

Interpretation Introduction

Interpretation:

The freezing and boiling points of water in °X are to be calculated.

Concept introduction:

The temperature of an object is the measure of the coldness and hotness of the object relative to another object. The S.I unit of temperature is Kelvin (K). The other units of temperature are degree Celcius (°C) and Fahrenheit (°F).

The first is the Fahrenheit (°F) scale common in the United States. On this scale, the freezing point of water is 32 °F and the boiling point is 212 °F. The room temperature is around 72 °F on this scale.

The other scale common in countries apart from the United States is the Celsius (°C) scale. On this scale, the freezing point of water is 0 °C and the boiling point of water is 100 °C. The room temperature is around 22 °C.

The third scale is the Kelvin scale which is also known as Absolute scale.

The conversion factor to convert temperature from degree Celsius to Kelvin is,

T(K)=T(°C)+273.15

The conversion factor to convert temperature from degree Celsius to Fahrenheit is,

T(°F)=95T(°C)+32

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