Substances Solids Aluminum Concrete Copper Glass Human Body (37°C) Iron, steel Liquids Water Mercury Specific heat (c) J/kg C 900 840 387 840 3500 452 4186 139 kcal/kg C 0.215 0.20 0.0924 0.20 0.83 0.108 1.000 0.0333

Q: Gatun Lake contains roughly 5.20 km3of water. How much energy is required to raise the temperature…

A: The mass of the water is given by m=ρV Here, ρis the density of water and V is the volume of water.…

Q: An arctic weather balloon is filled with 40.7 L of helium gas inside a prep shed. The temperature…

A: The Charles law is given as, V1T1=V2T2V2=V1T2T1

Q: A 50.0 g iron rod is heated to an unknown initial temperature. While cooling down to a temperature…

A: According to equation of specific heat -  Q=mc∆T Where,  Q= Heat gain and loss  m = Mass  c =…

Q: A platinum bar increases in length by 0.1% when its temperature increases to 111°C. a. Draw the…

A: Given Change in temperature ∆T = 111°C Increase in length ∆L          = 0.1% Find the coefficient of…

Q: A room air conditioner causes a temperature change of −6.40° C. A) What is the temperature change…

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Q: A contact thermometer reads the temperature of a body and after a certain time (when the body and…

A: Thermometer shows body temperature .

Q: In an industrial factory, four different materials are heated up for the same temperature difference…

A: Specific heat capacity is the amount of heat required to change the heat content of 1 gram of…

Q: The mass of an object is 0.201 kg. The object requires 15.0 J of heat to raise its temperature by…

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Q: 1. A thermometer is removed from a room where the air temperature is 20°C and is taken outside where…

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Q: A solid sphere has a temperature of 545 K. The sphere is melted down and recast into a cube that has…

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Q: A sphere of radius 0.50 m, temperature 25.0 °C, and emissivity 0.850 is located in an environment of…

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Q: H. Conduction (Heat Current) 15. A large metal cylinder with a bottom 2 m in diameter is made of out…

A: The amount of heat conducted is  H = K A (T' - T) td where, K is the coefficient of thermal…

Q: A cup of water is heated with a heating coil that delivers 100 W of heat. In one minute, the…

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Q: he thermal energy of 0.700 mol of a substance is increased by 900J. A. What is the temperature…

A: GIVEN: number of moles n =0.7internal energy increased (dU =900 J

Q: Ahmed heated four different materials to the same temperature and then allowed to cool for 15…

A: In given scenario, given that in 15 min time interval: Change in temperature of material 1 = 100 -…

Q: Suppose a cold front blows into your area and drops thecurrent temperature of 90°F to 50.0°F. a.…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: A chunk of metal is immersed in boiling water, then it is transferred into a Styrofoam cup…

A: Given Mas of water (m)             = 250 g Specific heat of water (c) = 1 cal.g-1 K-1 Initial…

Q: A 200 g cube of ice at 0 degree Celsius is dropped into 1.0 kg of water that was originally at 80…

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Q: The cat is fat. The cat’s fur and the cat’s fat provide the same amount of insulation. How much…

A: Given tha The thickness of the fur is ∆x1=1cm We know that  The thermal resistance is given by  Rθ…

Q: Which block, if either, has more thermal energy? B. If the blocks are placed in thermal contact,…

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Q: An average person is recommended to take in 2000 calories per day (8,400,000J), because they will…

A: An average person needs 8,400,000 J of energy. On a Saturday, a person takes 10,000,000 J of energy…

Q: When a body is heated, how fast the temperature of the body changes depends on the material. The…

A: Given:mass of block, mblockmass of container, mconmass of water, mwaterspecific heat of block,…

Q: At the peak temperature on a sunny but cold day, the speed of sound in air was measured to be about…

A: Given data The speed of sound in air is v=316 m/s The speed of sound in air, v=331TK273.15316…

Q: You transfer heat energy into a .500 kg solid sample of an unknown substance at a constant rate of…

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Q: A sample of a liquid has a mass m and a specific heat capacity c.  When an amount of heat Q is…

A: The heat supplied to a mass can be expressed, dQ = mc dT Where, dQ = heat supplied  m = unit mass  c…

Q: A. An ice cube is 20 mm on a side. How much energy is needed to melt the ice cubes if their initial…

A: Given:-  The side of the cube is a = 20 mm  The initial temperature of the ice cube is Ti = 32oF =…

Q: If 1500 J of heat are added to 70 g of water initially at 20 ° C, a. how much energy is this in…

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Q: It is not unusual for a 1000-kg car to get 30 mi/gal when traveling at 60 mi/h on a level road. A.…

A: We know that 1 miles = 1.609 km. So speed of the car v= 60 miles/hour = 60×1.609=96.54 km/h . Also…

Q: Problem 21. Newton's law of cooling states that the temperature of an object changes at a rate…

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Q: A 10 kg box is hit by a truck and slides across the concrete. After being hit by the truck the box…

A: Heat gained by the box is same as the kinetic energy lost, then the specific heat of box is

Q: An elderly man has a body temperature of 38.4 °C. What is his body temperature in kelvins? A…

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Q: I set the house temperature to 66 deg Fahrenheit at night time. On a cold morning, I measure the…

A: It depends on the specific heat of the material

Q: A brick is placed in an insulated calorimeter containing 5.000 kg of water. The temperature of the…

A: Given  Mass of water (Mw) =  5.000 kg             & Calorimeter is insulated .    Temperature of…

Q: A 114-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 72°C. What is the…

A: Given: Mass of ice, m1=114 g=0.114 kg Mass of water, m2=1 kg Specific heat of water, Cw=4186 J/kg °C…

Q: Question 29 options: 20 liters of air at 248 Kelvin is compressed into a 9-liter container.…

A: The combined gas law states that the product of the pressure and volume of a gas is directly…

Q: The change in temperature of a substance when heated, depends on its specific heat capacity. a. If…

A: Given: Specific heat capacity of lead (Clead)=120 J/kgk Mass of lead ball (m) = 0.50 kg Initial…

Q: A superhero is building a suit of armor made of Vibranium (Vb). To mold the headpiece of this suit,…

A: Given: The melting point of Tm=3297 K. The mass of the metal is mVb=1 kg. The  loss of heat is…

Q: Muffins are taken out of the oven with a temperature of 200°F and are placed on a cooling rack with…

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