Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
8th Edition
ISBN: 9781260151749
Author: Silberberg Dr., Martin; Amateis Professor, Patricia
Publisher: McGraw-Hill Education
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Chapter 1, Problem 1.43P

(a)

Interpretation Introduction

Interpretation:

The body temperature of bird in degree Celcius (°C) and Kelvin (K) is 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                                                                                             (1)

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

T(°C)=59(T(°F)32)                                                                                             (2)

(a)

Expert Solution
Check Mark

Answer to Problem 1.43P

The body temperature of bird in degree Celcius (°C) and Kelvin (K) is 41 °C and 314 K respectively.

Explanation of Solution

The body temperature of a bird is 106 °F.

Substitute 106 °F for T(°F) in equation (2) to calculate the temperature in degree Celsius.

T(°C)=59(106 °F32)=59(74)=41.111=41 °C

Substitute 41.111 °C for T(°C) in equation (1) to calculate the temperature in Kelvin.

T(K)=41.111 °C+273.15=314.261=314 K

Conclusion

The temperature of an object can be calculated in three different units by using the proper conversion factor. The body temperature of bird in degree Celcius (°C) and Kelvin (K) is 41 °C and 314 K respectively.

(b)

Interpretation Introduction

Interpretation:

The melting point of tungsten in Kelvin (K) and Fahrenheit (°F) is 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                                                                                             (1)

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

T(°F)=95T(°C)+32                                                                                                 (3)

(b)

Expert Solution
Check Mark

Answer to Problem 1.43P

The melting point of tungsten in Kelvin (K) and Fahrenheit (°F) is 3683 K and 6170 °F respectively.

Explanation of Solution

The boiling point of methane is 3410 °C.

Substitute 3410 °C for T(°C) in equation (1) to calculate the temperature in Kelvin.

  T(K)=3410 °C+273.15=3683.15=3683 K

Substitute 3410 °C for T(°C) in equation (3) to calculate the temperature in Fahrenheit.

  T(°F)=95(3410 °C)+32=6138+32=6170 °F

Conclusion

The temperature of an object can be calculated in three different units by using the proper conversion factor. The melting point of tungsten in Kelvin (K) and Fahrenheit (°F) is 3683 K and 6170 °F respectively.

(c)

Interpretation Introduction

Interpretation:

The surface temperature of the sun in degree Celcius (°C) and Fahrenheit (°F) is 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 Kelvin to degree Celsius is,

T(°C)=T(K)273.15                                                                                             (4)

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

T(°F)=95T(°C)+32                                                                                                (3)

(c)

Expert Solution
Check Mark

Answer to Problem 1.43P

The surface temperature of the sun in degree Celcius (°C) and Fahrenheit (°F) is 5.8×103 °C and 1.1×104 °F respectively.

Explanation of Solution

The surface temperature of the sun is 6.1×103 K.

Substitute 6.1×103 K for T(°K) in equation (4) to calculate the temperature in degree Celsius.

  T(°C)=6.1×103 K273.15=5.827×103=5.8×103 °C

Substitute 5827 °C for T(°C) in equation (3) to calculate the temperature in Fahrenheit.

  T(°F)=95(5827 °C)+32=1.0521×104=1.1×104 °F

Conclusion

The temperature of an object can be calculated in three different units by using the proper conversion factor. The surface temperature of the sun in degree Celcius (°C) and Fahrenheit (°F) is 5.8×103 °C and 1.1×104 °F respectively.

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Chapter 1 Solutions

Loose Leaf for Chemistry: The Molecular Nature of Matter and Change

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