How much heat in KJ, must be transferred to 10 kg of air to increase the temp. from 65 °C to 274 °C at constant pressure. Answer:
Q: A steel tank with an interior volume of 2 m3 contains an ideal gas at 300 K and 1E5 Pa of pressure…
A: Interior volume (v) = 2 m3Initial temperature (t) = 300 k Initial pressure (p) = 105 Pa Final…
Q: Air with an initial temperature of 21.92°C undergoes an isentropic process. After the isentropic…
A:
Q: 4. A calorimeter contains 1.500kg of water at 80.0°C. Then 0.500kg of ice at -5.00 Cis added to the…
A: The heat capacity of water is C= 4.187 kJ/ kg K and for ice, it is c = 2.108 kJ/kg K.
Q: The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…
A:
Q: 0.59 kg brass sample at 98.0 Celsius is dropped into 2.80 kg of water at 5.0 Celsius. If the…
A: The solution can be given as follows :-
Q: A steel tank with an interior volume of 2 m3 contains an ideal gas at 300 K and 1E5 Pa of pressure…
A: Initial pressure, P1=105 Pa Initial temperature, T1=300 K Final temperature, T2=400 K Let final…
Q: How much energy does it take to raise 200 g of aluminum from 20 °C to 3000 °C?
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Q: What mass of steam at 100° C must be added to 1.90 kg of ice at 0°C to yield liquid water at 17 °C?…
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Q: The pressure of a sample of the gas kept at constant volume is 113 kPa at 00 C. What will it be…
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Q: An apartment has the dimensions 16 m by 8 m by 5 m. The temperature is 35°C, and the relative…
A: To determine,The total mass (in kg) of water vapor in the air in the apartment.dimension of the…
Q: Air with an initial temperature of 19.87°C undergoes an isentropic process. After the isentropic…
A:
Q: What total amount of heat must be removed to drop the whole body temperature of a typical 65-kg…
A: Given that,Mass : m = 65 (kg)Increase in temperature :T = 1°CSpecific heat : c = 3.5x103…
Q: A steel tank with an interior volume of 2 m3 contains an ideal gas at 300 K and 1E5 Pa of pressure…
A: Ideas gas law is given by PV=nRT
Q: What is the final temperature of the mixture of two volumes of water if the first volume is 0.436 m³…
A: Given,First volume of water, v1=0.436 m3Second volume of water, v2=0.117 m3Density of water, ρ=1000…
Q: How much steam with a temperature of 100° C must be added to 0.250 kg of ice at its melting point to…
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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: What is the heat needed, in kJ, to increase 110 mL water from 75°C to 110°C For water, D=1g/mL, Cliq…
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Q: Water at an average temperature of 23C flows through a 10-cm diameter pipe that is 2.5m long. The…
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Q: How much thermal energy needs to be added to 3.00 kg water to heat it from 20°C to 82°C? The…
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Q: -g piece of metal at 95°C is dropped into 250 g of water at 17.0°C and heated to 19.4°C. What is the…
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Q: The inner and outer surface temperature of a 1 sq. ft. wall of a kiln are 1800 °F and 200 °F…
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Q: A tire has a pressure of 1.4 atm and 21 0C. At the end of a long trip, the tire pressure increased…
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Q: Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine…
A: Given data, Volume V=17 L Coefficient of volume expansion of copper βc=5.1×10-5 /°C Coefficient of…
Q: The normal freezing point of a certain liquid X is -5.90 °C, but when 43. g of zinc chloride (ZnCl,)…
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Q: 30 g of 80°C water is mixed with 100 g of 20 °C water. What is the final temperature after heat…
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Q: How many calories of heat an required by 250g of ice at -15
A: Given250 g of ice at -150°C
Q: 950 g of preheated pizza (at 295.15 K) cools down after 45 minutes left in the kitchen. If the…
A: As per Newtown's law of cooling the rate at which any body cools is proportional to the difference…
Q: 1. Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the…
A: To determine if the fluid will overflow, we need to calculate the change in volume of both the fluid…
Q: A study showed the average basal metabolic rate of a human to be about 1500 kcal/day (6279 kJ/day).…
A: Given information; Here, Q is the heat released in 24 hours from the body due to the metabolism…
Q: 1 kg of coffee, originally at 95°C, is placed into an insulating cup. You wish to cool the coffee…
A: Given,mc = 1 kgTc = 95 °CTf =80 °CTi = -5 °C Ccoffee = 4186 Jkg.KCice = 2100 Jkg.KLice = 334000 Jkg
Q: If 6.010 mol of an ideal gas has a pressure of 3.130×105 Pa and a volume of 0.115 m3, what is the…
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Q: Aluminum has a thermal conductivity of 200 W/(m.C°). The bottom of an alu- minum pot is 2.14 mm…
A: Thermal conductivity of Al, k= 200 W/(m.C) thickness of pot, l= 2.14 x 10-3 m Area, A= 0.0314 m2…
Q: At 30°C, a brass cube has an edge length of 17 cm. What is the increase in the cube's surface area…
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Q: A heavily insulated copper rod or diameter 2 cm and length 25 cm is used to pipe heat between two…
A: The rate of heat transfer is given by H = K A (T ' - T)L where, K is the coefficient of thermal…
Q: A steel section of the Alaskan pipeline had a length of 56.2 m and a temperature of 17.1 °C when it…
A:
Q: 9. 30g of Cu pellets are removed from a 300°C oven and dropped into 100mL of water at 20.0°C in an…
A: Given data: The specific heat of copper (C)= 386 J/Kg.K The specific heat of water (S) = 4186 J/KgK…
Q: A 0.0500-kg ice cube at –30.0°C is placed in 0.450 kg of 35.0°C water in a very well-insulated…
A:
Q: In a nuclear power plant, a 1.0 kg of water at 56.9 °C is converted into 1.0 kg of steam at 154.7…
A:
Q: Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine…
A: It is given that,
Q: At temperatures of a few hundred kelvins the specificheat capacity of copper approximately follows…
A: The heat dQ, required to raise the temperature of a substance by dT is given by, dQ = mcdT where m…
Q: The heat required to melt a block of ice is 1165500 J. Estimate the total heat required to vaporize…
A: Given data: The heat required to melt is Q=1165500 J. The temperature of water is T=50°C.
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