A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0 C is placed in a freezer. What is the final temperature if 377 kJ of energy is transferred from the bowl and soup, assuming the soup’s thermal properties are the same as that of water?

Q: What will be the final temperature if 4.0 x 104 J of heat is transferred to a 1.5- kg block of…

A: From the question it is given that:  Heat transferred: ∆Q = 4.0×104 JMass of aluminium block: m =…

Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy.  If the copper starts at 20.5° C,…

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Q: 1. 500J of work are done on a system in a process that decreases the system’s thermal energy by…

A: According to the first law of thermodynamics, ∆U=Q+WQ=∆U-W Here, ∆U is the change in the internal…

Q: The specific heat of aluminum is 0.21 J/g°C. How much heat energy is released when a 10 g piece of…

A: Given:-  The specific heat of aluminum is 0.21 J/g°C The mass of aluminum foil is m = 10 g   The…

Q: A 20 kg metal rod is heated 100oC with 2000 J of energy. What is the specific heat of the metal?

A: The heat is given  by  H = m c (T' - T)  where, m is the mass, c is the specific heat and T'  - T is…

Q: How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW immersion…

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Q: Following vigorous exercise, the body temperature of an77-kg person is 42 degrees celcius. At what…

A: The specific heat coefficient of the body is 3500 J/(kg.°C). The amount of heat released in the…

Q: A 355mL cup of hot chocolate has an initial temperature of 49°C. How many Calories of thermal energy…

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Q: A 10KW immersion heater is placed in a pot containing two liter of water at 23°C. How long will it…

A: Given : P = 10 kW = 10 × 103 W V = 2 L = 2 × 10-3 m3 T1 = 23°C T2 = 100°C e = 32% = 0.32 c = 4185…

Q: A 59.7 gram piece of metal is placed in 60.0mL of water and heated from 22.0-28.5°C. What is the…

A: Question asks about the specific heat, but the options given are of heat.    Mass, m = 59.7…

Q: On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50 °C . What is the net…

A: The expression for the net heat transfer is,

Q: A piece of copper whose mass is 15 kg has a specific heat capacity of 390 J/kg°C and is warmed by…

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Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0ºC is placed in a freezer. What is the…

A: Given: mass of aluminium,m= 0.250 kg  mass of soup,m' = 0.8 kg  initial temperature, T = 25 degree C…

Q: 22) A heater for a shower has a power of 8.0kW. It raises the temperature of water from 18°C to…

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Q: A piece of aluminum whose mass is 10 kg has a specific heat capacity of 900 J/kgx°C and is warmed by…

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Q: A water heater transfers heat to an amount of water at a rate of 100 W. How long will it take to…

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Q: A pot with 0.0001m3 of vegetable oil is being heated from 20 degrees Celsius to 100 degrees Celsius.…

A: Calculate the mass of te oil in the pot. Mass of the oil=Density×Volume                      =925…

Q: A 1.50-kg aluminum tea kettle contains 1.80kg water and placed on a stove. If there is no heat lost…

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Q: A brass rod is 0.5 m long at 20°c. What is the final length of the rod if it is heated to 50°c?

A: We have to use some basic formula here.

Q: How much heat is required to melt 30kg of ice at 0°C to water at 90°C? a) 2400 kcal b) 510 kcal c)…

A: The equation for the energy required to melt the ice at freezing point is,

Q: A 0.9 kg block of ice is initially at a temperature of -5°C. (a) If 3.9 x 105 J of heat are added to…

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Q: A hot 1 kg chunk of copper is allowed to cool to 100°C. If the copper gave off 231 kJ of energy,…

A: It is given that,

Q: 0.5 kg of a material requires 4000 J to raise its temperature by 2 °C, what is the specific heat…

A: Given data:  Mass (m) = 0.5 kg = 500 g Heat energy (Q) = 4000 J Raise in temperature (ΔT) = 2°C…

Q: Question 16 A granite wall has a thickness of 78 cm, an area of 7.33 m by 2.85 m and a thermal…

A: Given:Thickness of granite wall, L = 78 cmArea of granite wall, A = 7.33×2.85 = 20.8905 m2Thermal…

Q: A person tries to heat up her bath water by adding 5.0 L of water at 80°C to 60 L of water at 30°C.…

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Q: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 x 105 J/kg, and its…

A: According to question --- Given data--- melting point = 660 degree C  Latent heat of fusion = 4 ×…

Q: The area of the skin of an adult human being is about 2.10m^2. If the temperature of the skin of an…

A: Solution: Given that A = 2.1 m2 T0 = 26 C T=36

Q: how much heat is lost when a 640 g piece of copper cools from 375oc ,to 26oc?(the specific heat of…

A: Mass , m= 640 gm = 0.64 kg Initial temperature , T1 = 375 °C Final temperature , T2 = 26 °C…

Q: A 500 g copper cup has an initial temperature of 250 oK. If the specific heat of copper is 385 J…

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Q: How much energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC?…

A: Given  Temperature initial, T1 = 37°C  Final temperature, T2 = 39.5°C  Specific heat of water, c =…

Q: A kettle brings 2.15 kg of water at 34.9˚C to steam at 110˚C.  How much heat does this take?…

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Q: One piece of copper jewelry at 102°C has exactly twice the mass of another piece, which is at…

A: When one piece of a copper jewelry is placed with another piece in a calorimeter, the copper piece…

Q: In a well-insulated bucket of negligible heat capacity, 0.32 Kg of water at 27 °C is mixed with ice…

A: According to question--- Given data-- Mass m = 0.32 kg. T1 = 27 degree C. T2 = 0 degree C. Cwater =…

Q: What is the specific heat of an 800g unknown substance whose temperature changes by 78◦C after…

A: Given data: Mass of substance is, m=800 g. Change in temperature is, ∆T=78∘C. Amount of heat…

Q: How much heat is required to raise the temperature of a 225 g lead ball from 15 °C to 25 °C? The…

A: Option C is the right answer  288 J

Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…

A: Given data:      Mass, Mcu = 250 g       Mass, Mw = 700 g  @ 25°C       Mass, Mmetal = 25 g @ 98°C…

Q: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of…

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Q: What is the amount of heat energy absorbed by a copper of mass 300g if its temperature raises by…

A: Given : m = 300 g = 0.3 kg ∆T = 12°C c = 390 J/kg°C

Q: In a cold country, an apartment needs 48 kwh of heat to maintain their internal temperature at 27°…

A: Given: Heat  Q=48 kWh=48×3.6×106 J=172.8×106 J Temperature T1=27°C Temperature T2=75°C Specific heat…

Q: What mass of steam at 100°C must be mixed with 473 g of ice at its melting point, in a thermally…

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Q: How much heat must be removed from a 200-g block of copper to lower its temperature from 150°C to…

A: Given, heat Qmust be removed from a mass m=200-g block of copper to lower its temperature from…

Q: How much heat must be removed from a 200-g block of copper to lower its temperature from 150°C to…

A: Given data: Mass of the copper, m=200 g Initial temperature, T1=1500C Final temperature, T2=300C…

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.