The temperature of a 50 g sample of aluminum is raised from 20oC to 90oC when 770 cal of heat is added. The specific heat capacity of the aluminum

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 91.5°C. The substance is…

A: The given values are, mu=0.125 kgTi,u=91.5° Cmw=0.285 kgTi,w,Al=27.5° CmAl=0.150 kgTf=32.0° C

Q: Steam at 100°C is used to warm 350 g of water contained in a 300 g aluminum container.  The initial…

A: Temperature of steam: Mass of water in Aluminium container: Mass of Aluminium container: Initial…

Q: A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to…

A: The beaker initially contains 456 grams of ice, at -25 C. Water converts into ice as soon as the…

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is…

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Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: The formula for heat transfer is:Where: is the heat transferC is the total heat capacity is the…

Q: Two pieces of metal (A and B) are in contact with each other and initially at different…

A: Given, Temperature, mass of two metal A & B mA=7.5 g, mB=12.25g TA=23°C, TB=53°C Specific heat…

Q: A mass of ice at -4°C is needed to cool 115 kg of vegetables in a bunker for 24 hours. The initial…

A: Given that:Initial temperature of the ice, Ti=-4°CThe initial temperature of the vegetables,…

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 444-g sample of…

A: We'll use law of conservation of energy here and different standard values of specific heat capacity…

Q: A brass boiler has a base area of 0.15 m2 and thickness 1.0 cm. It boils water at the rate of 6.0…

A: Given information:The rate of evaporation of water (E) = 6 kg/min = 0.1 kg/sThe latent heat of…

Q: A man with an average body temperature of 36.8°C drinks 450 ml of 7.0°C cold water. Ignoring his…

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Q: An object has mass 96_g. It is made of a metal alloy with specific heat 320 J/kg-°C, and it has…

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Q: What is the heat capacity of a system consisting of 8.10 kg of water in a 0.310-kg aluminum bucket?…

A: Write the given values with the suitable variables. mw=8.10 kgma=0.310 kgCa=0.9 kJ/kg KCw=4.186…

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 95.0°C. The substance is…

A:

Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…

A: Given data: The mass of block is m=10 kg. The melting temperature is T=1063℃. The latent heat of…

Q: What mass of steam at 100°C must be mixed with 199 g of ice at its melting point, in a thermally…

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Q: the mine transfers enough energy by heat to the mine's cooling systems to melt 363147 kg of ice at…

A: Given : Mass of ice (m) = 363147 kg Energy increased by 9.3 % Latent Heat of fusion of Ice (L) =…

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 92.0°C. The substance is…

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Q: What is the specific heat capacity of the alcohol?

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Q: A 0.045-kg ice cube at -30.0°C is placed in 0.405 kg of 35.0°C water in a very well-insulated…

A: Given data: The mass of ice is m=0.045 kg. The mass of water is M=0.405 kg. The initial temperature…

Q: a container has 0.3 kg of water and 0.5 kg of ice at 273 K. How much water vapor should be…

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Q: In the lab, you have nails with mass Mn and temperature Tn. You submerge those nails in the water…

A: Given data The Specific heat capacities of nails is,Cn=0.12 cal/gC The Specific heat capacities of…

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 477-g sample of…

A: Given data:  Mass of water (mw) = 225 g Mass of copper stirrer (mcu) = 40 g Mass of silver (mAg) =…

Q: An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27 degree Celsius. A 480 g…

A: Using the conservation of energy,

Q: Two blocks of metal are in contact with one another. The first block has mass 4.3 kg, specific heat…

A: Given The mass of the first block is m1=4.3 kg. The specific heat of the first block is Cp1=678…

Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…

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Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: You mix mI = 1.2 kg of ice at TI = -19°C with mW = 3.4 kg of water at TW = 86°C in an insulated…

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Q: emperature change. -First, the ice reaches 0°C. Then it starts melting while the warmer water

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Q: You are heating 310 mL of water to make tea; however, you forget the pot on the stove, and all of…

A: The specific heat (C) and latent heat (L) of a substance of mass (m) that absorbs heat (Q) and its…

Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…

A: SOlution: Given that m = 10 kg L =  6.44×104 J/kg

Q: The fruit juice is heated in a heat exchanger using steam as a heating medium. The product flows…

A: Latent heat of steam is 2256.4KJ/kg.

Q: An unknown metal (mass of 230g) is heated to 95.0oC in a water bath. A calorimeter is made of an…

A: The specific heat of the unknown metal is 125.45 J/kg°C

Q: a food product containing 75% moisture content is being frozen. the specific heat of the product at…

A: Given: Let the mass of the frozen product be M. It contains 75% moisture(water) content and 25% of…

Q: One pound of air with an initial temperature of 200F is allowed to expand without flow between…

A: Given: The initial temperature is given as 200oF Pressure is 90 and 15 psia.

Q: An aluminum rod is heated to 225 ºC and placed in a coffee cup calorimeter containing 250.0 g of…

A: To solve this problem, we can use the equation: q=mcΔT where q is the amount of heat transferred, m…

Q: lump of aluminum is heated to 93oC and then dropped into 9.0 kg of water at 5.2oC. Assuming that the…

A: GivenMass of aluminium lump, mal=2.7 kgTemperature of Aluminium, Tal=93°C=93+273=366 KMass of water,…

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 90.0°C. The substance is…

A: The heat lost by the unknown substance is equal to the heat gained by calorimeter and water.   The…

Q: While swimming, conduction can play a big role in heat loss from the body. The body of one swimmer…

A: Given data: Thickness thickness (b) = 1.6 mm Thermal conductivity of the skin (k)=0.37 W/m.K Water…

Q: An ice tray is removed from a freezer, where the ice was at a temperature of -11°C, and left on a…

A: Change of phase is represented as, Q=Q1+Q2+Q3=mci∆Ti+mLi+mcw∆Tw

Calorimetry

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