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Molecular Physics | Thermodynamics
A cooper cube whose mass mc 100 g is heated to 300 oC. ) Then the cube is dropped intro glass baker whose heat capacity Cb 200 J/K, and containing water whose heat capacity CW 800 J/K at initial temperature 25 oC then the common final temperature is ( the specific heat of cooper 400 J/Kg.k
Molecular Physics | Thermodynamics
A cooper cube whose mass mc 100 g is heated to 300 oC. ) Then the cube is dropped intro glass baker whose heat capacity Cb 200 J/K, and containing water whose heat capacity CW 800 J/K at initial temperature 25 oC then the common final temperature is ( the specific heat of cooper 400 J/Kg.k
Molecular Physics | Thermodynamics
energy required to change 10.0g of ice at -10.0°c to 10.0g of steam at 110.0°c
Molecular Physics | Thermodynamics
When 50,000 mL of oxygen at 20.0 °C is compressed to 5.00 liters, what must the new temperature be to maintain constant pressure?
Molecular Physics | Thermodynamics
A mercury thermometer is constructed as
shown. The capillary tube has a diameter
of 0.0029 cm, and the bulb has a diameter of
0.12 cm.
∆h
A
T T+∆T
Neglecting the expansion of the glass, find
the change in height of the mercury column
for a temperature change of 33 ◦C. The
volume expansion coefficient for mercury is
0.000182 (◦C)−1
.
Answer in units of cm.
shown. The capillary tube has a diameter
of 0.0029 cm, and the bulb has a diameter of
0.12 cm.
∆h
A
T T+∆T
Neglecting the expansion of the glass, find
the change in height of the mercury column
for a temperature change of 33 ◦C. The
volume expansion coefficient for mercury is
0.000182 (◦C)−1
.
Answer in units of cm.
Molecular Physics | Thermodynamics
Find the weight density of a block 7 in. x 5.5 in. x 9 in. that weighs 65 lb. Express your
answer to four decimal places.
answer to four decimal places.
Molecular Physics | Thermodynamics
How much heat is required to heat a 540g of iron from 300c to 65°c?
Molecular Physics | Thermodynamics
What is the specific heat capacity if it takes 1000 J of energy to heat 25 g of this substance by 100°C? Give your answer in J/kg°C.
Molecular Physics | Thermodynamics
A box with a total surface area of 0.83 m2
and
a wall thickness of 2.72 cm is made of an insulating material. A 11.8 W electric heater
inside the box maintains the inside temperature at 7.4
◦C above the outside temperature.
Find the thermal conductivity of the insulating material.
Answer in units of W/m · ◦ C.
and
a wall thickness of 2.72 cm is made of an insulating material. A 11.8 W electric heater
inside the box maintains the inside temperature at 7.4
◦C above the outside temperature.
Find the thermal conductivity of the insulating material.
Answer in units of W/m · ◦ C.
Molecular Physics | Thermodynamics
One liter of water at 43◦C is used to make iced
tea.
How much ice at 0 ◦C must be added to
lower the temperature of the tea to 14 ◦C?
The specific heat of water is 1 cal/g · ◦ C and
latent heat of ice is 79.7 cal/g.
Answer in units of g.
tea.
How much ice at 0 ◦C must be added to
lower the temperature of the tea to 14 ◦C?
The specific heat of water is 1 cal/g · ◦ C and
latent heat of ice is 79.7 cal/g.
Answer in units of g.
