If 1500J of heat is absorbed by 2kg of iron and the same amount of heat is absorbed by 2kg of water in another separate experiment, which object will have a larger increase in temperature and by how much?   Group of answer choices Iron by 1.7oC. Iron by 1.0oC Iron by 1.24oC Water by 0.4oC

Q: When cooled from 248 °C, the diameter of a metal sphere becomes 72.0 mm and its surface area changes…

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Q: Figure 7 shows the variation of temperature with time. If the mass of the metal is 7.5 kg. then the…

A: Given: Mass m=7.5 kg Rate of heat supplied Q=1000 Js-1

Q: A calorimeter contains 110cm3110cm3 of water. The water absorbs heat and its temperature changes…

A: mass of water = 110 g ( as density of water = 1g/cm3)initial temperature = 17 C final temperature =…

Q: You left a rectangular piece of steel on the ground when the temperature was 78.0°F. Later you…

A: given that initial temperature; T1=780FT1=298.70Kfinal temperature; T2=1050FT2=313.70Kinitial area ;…

Q: How much heat is lost if 60 g of iron is cooled from 80 °C to 15 °C? The specific heat capacity of…

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

Q: Which would lose energy by radiation at the fastest rate? Group of answer choices Molten lead at…

A: The specific heat capacity of Lead is 128 J/Kg and the temperature difference is 700 -30 = 670 Deg…

Q: A carbon dioxide laser used in surgery emits infrared radiation with a wavelength of 10.6 µm. In…

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Q: When water is heated from 10°C to 15°C What is the change in temperature? A) 10 °C B) 5 °C C) - 5 °C…

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Q: A water tank of measurement 2x2x1 m3 is filled up at temperature 96 C. The tank is 1 cm…

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Q: 0.1 Kg of 4.0°C water is heated until its temperature is 37°C. If the specific heat of water is 4186…

A: Given Data : The mass of water is given as m = 0.1Kg. The temperature of the water before heating is…

Q: Why mercury is used as a thermometric liquid?

A: Thermometric liquids are the liquid which is used in temperature measuring devices.

Q: 2kg of ice at -10°C is heated until has melted. how much heat energy has been used? Specific heat to…

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Q: How much energy (in calories) is released when 50.0 g of water is cooled from 25 °C to solid ice at…

A: Given data: Mass of water is, m=50.0 g=0.05 kg. Initial temperature is, T1=25∘C. Final temperature…

Q: When you go out to your car one cold winter moning you discover a 0.70-cm thick layer of ice on the…

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Q: When 435 g of water at 95.2°C are mixed with 435 g of another liquid at 14.8°C, the final…

A: Heat gain = Heat lost

Q: How many joules of heat are required to melt 4.5 g of copper at a temperature of 1083°C? Use the…

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Q: An iron plate 2cm thick has a cross-sectional area of 4000cm2. One face is 160°C and the other is at…

A: Thickness of the plate Area of cross-section First temperature Second temperature Heat rate    The…

Q: What is the specific heat of an object that weighs 15g and changes temperature from 30 degrees C to…

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Q: To melt a sample of ice (Water) at 0°C required 3340 J. What is the mass (grams) of the sample?…

A: to melt a sample of ice at 0oC, heat required is 3340J latent heat of fusion of water 'L' =…

Q: A wall is built of two metals (copper and aluminum) that are in thermal contact with each other. If…

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Q: What is the amount of energy required to raise the temperature of a 2.5 kg block of ice at -25°C to…

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Q: A 2 kg piece of aluminum is heated from 20 ◦C to 130 ◦C. Calculate the amount of heat energy…

A: If a sample of mass mabsorbs/release H amount of heat then the sample undergoes a change (rise/fall)…

Q: How much heat transfer is required to raise the temperature of 85 g of water from 24ºC to 89ºC?…

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Q: 2.6 of water at 28 °C is added to 5.0 of water at 69 ° C. What is the temperature of the mixture in…

A: Here the unit of mass is not provided. However since the unit of specific heat is provided in si…

Q: A temperature increase of 20 C° is the same as a temperature increase of a) 32 F°. b) 293 K. c) 273…

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Q: When water is heated from 10°C to 15°C What is the change in temperature

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Q: The equation for the power emitted by the human body is P = (5.67 × 10^-8)AT^4. If the area of the…

A: power emitted P =5.67x10-8 AT4 P emitted = σεA T4 Power radiated  = σεA (T4 - T04) Power radiated…

Q: Calculate the amount of heat (in kJ) needed to raise the temperature of 50.0g of water 20.0°C to…

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Q: Some stove tops are smooth ceramic for easy cleaning. If the ceramic is 0.570 cm thick and heat…

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Q: A nickel plate 0.8 cm thick has a temperature difference of 64°C between its faces. It transmits…

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Q: How much heat is necessary to change 30 g of water at 10°C into water at 80°C? Group of answer…

A: mw=30 gInitial temperature of water=Ti=10°CFinal temperature of water=Tf=80°CSpecific heat…

Q: A sample of silver at 10°C is heated to 90°C when 1 kcal of heat is added.  What is the mass of the…

A: Given data: part (a) initial temperature T1 = 10°CFinal temperature, T2 = 90°CHeat supplied, Q = 1…

Q: How much heat must be supplied to a 325.0 g aluminum pan to raise the temperature of the pan from…

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Q: Which is the coolest temperature in the following values? O 100 °C O 200 °F O 273 K O 400 K O No…

A: Given: The temperatures are:- 1→100°C2→200°F3→273 K4→400 K

Q: A copper kettle contains water at 22.5 °C. When the water is heated to 96.3 °C, the volume of the…

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Q: 4. A 39.0 g piece of iron at 24.5 C is heated to 92.5 "C. If the theoretical specific heat capacity…

A: Given, mass of iron =39 gm Initial Temperature=24.5 c Final Temperature=92.5 c specific heat=0.449…

Q: A glass block measures 1.5ft*2.5ft*5.3ft at 75F. How much will the volume increase if the block is…

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Q: In kJ, how much heat is required to raise the temperature of 1.23 kg of water from 23.6 C to 84.9 C?…

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Q: How much energy is needed to heat 6.2 kilograms of gold from a temperature of 0 °C up to its melting…

A: We know the heat required is given by Q=mC∆T Here  m=6.2 kg=6.2×103g C=0.031 cal/g°C…

Q: A metal rod doubles in length when its temperature changes from 20°C to 30°C. Which statement will…

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Q: specific

A: A substance that has more specific heat absorbs a large amount of heat without rising in…

Q: A glass of water with a mass of 0.45 kg at 20°C is to be cooled to 0°C by dropping ice cubes at 0°C…

A: Given  Mass of water, m = 0.45 kg Initial temperature of water, T1 = 20°C = 293 K Final temperature…

Q: suring 2.0 cm on each side was cut from a square sheet of brass,6.0 cm on each side at 25oC Find the…

A: A square hole measuring 2.0 cm on each side was cut from a square sheet of brass 6.0 cm on each side…

Q: Assume that the total surface area of a person's body is 1.9 m2 and his skin temprature is 10.5 °C…

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Q: Calculate the thermal conductivity of a wood used in 1.22m x 1.22m test panel, 2.54 cm thick if the…

A: Given : Power, P=dQ/dt = 36 W  Thickness, x = 2.54 cm = 0.0254 m  Area, A = 1.22 m × 1.22 m…

Q: Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar’s temperature…

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Q: A rock sample was heated from 20 Celsius to 60 Celsius. Specific heat of rock is 2.0 J/g C; find…

A: Given data:  Initial temperature (T0) = 20 °C Final temperature (T) = 60 °C Specific heat of rock…

Calorimetry

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