Here is my grandson walking on a steel bridge on a cool February day. The temperature that day was 5 °C. I measured the length of one of the long steel girders to be 51 ft. What will be the change in length (m) of one girder on a hot August day when the temperature reaches 29C? (1 m 3.281 ft), (1km = 1000m) (5280 ft 1 mile) (1 mile = 1.609 km)
Energy transfer
The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.
Molar Specific Heat
Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)
Thermal Properties of Matter
Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.

![10450.1+ 6700
14
14
How much energy (in Joules) is required to fully melt 20g of ice taken from the freezer
degree C (negative 5 C), put on a stove and gently heated until fully molten?
at - 5
TABLE 16-2
Specific Heats at Atmospheric Pressure
Table 12.3 Latent Heats of Fusion and Vaportzation
Luent Heat
of Fusion, L
Lateht Heat of
Vaporization, L
kg)
Specific heat,
CU/(kg-K)]
Beiling Point
Melting Point
(C)
Substance
Substance
Water
Ice
4186
2090
13.7 x 10
3.94 x 10
47.3 x 10
8.55 x 10
072x 10
8.59 x 10
2.96 x 10
200 x 10
2.13 x 10
22.6 x 10
-778
5.5
1083
114.4
1063
327.3
-38.9
2100
-218.8
00
332X 10
12.6 x 10
20.7 x
10.8X 1
628 x 10
232x 10
384
80,1
2564
78.3
Ammonia
Benzene
2010
1820
1004
900
837
703
448
Steam
Copper
Ethyl alcohol
Gold
Beryllium.
Air
Aluminum
Glass
Silicon.
Iron (steel)
Copper
Silver
Gold
1750
356.6
Lead
Mercury
Nitrogen
Окуреп
Water
257 x 10
139x 10
335x10
183.0
1000
387
234
129
128
Lead](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F33bd524c-9fd1-4e10-9fa9-32fdcb4d4bfd%2F8ece1156-fe1d-4231-9ded-f99a821ac4fa%2Fr4h84wt_processed.jpeg&w=3840&q=75)

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