A0.0545 kg chunk of an unknown metal that has been in boiling water for several minutes is quickly dropped into an insulating Styrofoam beaker that contains 0.462 kg of water at room temperature (20.0° C). After waiting for a few minutes, you observe that the water's temperature has reached a constant value of 22.0° C. Part A Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal? Express your answer in joules per kilogram-kelvin to three significant figures. ? C = J/(kg K) Submit Request Answer Part B Use the table below to identify the metal. Specific heat (c) Material J/(kg K) cal/(g K) Solids Lead 0.13 x 10 0.031 Mercury 0.14 x 103 0.033 Silver 0.23 x 10 0.056 Copper 0.39 x 10 0.093 Iron 0.47 x 10 0.112 Marble (CaCO3) 0.88 x 103 0.21 Salt 0.88 x 10 0.21 0.91 x 10 0.217 Aluminum Bervllium 1.97 y 10 0.471

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Chapter1: Units, Trigonometry. And Vectors
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A 0.0545 kg chunk of an unknown metal that has been in boiling water for several minutes is quickly dropped into an insulating Styrofoam beaker that contains 0.462 kg of water at room temperature (20.0° C). After waiting
for a few minutes, you observe that the water's temperature has reached a constant value of 22.0° C.
Part A
Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal?
Express your answer in joules per kilogram-kelvin to three significant figures.
ΑΣφ
J/(kg · K)
C =
Submit
Request Answer
Part B
Use the table below to identify the metal.
Specific heat (c)
Material
J/(kg K)
cal/(g K)
Solids
Lead
0.13 x 103
0.031
Mercury
0.14 × 103
0.033
Silver
0.23 × 103
0.056
Copper
0.39 × 10³
0.093
Iron
0.47 x 103
0.112
Marble (CACO3)
0.88 × 10³
0.21
Salt
0.88 × 103
0.21
Aluminum
0.91 × 103
0.217
Beryllium
1 97 x 103
0.471
Transcribed Image Text:A 0.0545 kg chunk of an unknown metal that has been in boiling water for several minutes is quickly dropped into an insulating Styrofoam beaker that contains 0.462 kg of water at room temperature (20.0° C). After waiting for a few minutes, you observe that the water's temperature has reached a constant value of 22.0° C. Part A Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal? Express your answer in joules per kilogram-kelvin to three significant figures. ΑΣφ J/(kg · K) C = Submit Request Answer Part B Use the table below to identify the metal. Specific heat (c) Material J/(kg K) cal/(g K) Solids Lead 0.13 x 103 0.031 Mercury 0.14 × 103 0.033 Silver 0.23 × 103 0.056 Copper 0.39 × 10³ 0.093 Iron 0.47 x 103 0.112 Marble (CACO3) 0.88 × 10³ 0.21 Salt 0.88 × 103 0.21 Aluminum 0.91 × 103 0.217 Beryllium 1 97 x 103 0.471
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