1. An ice cube of mass 65 g is taken from a freezer at -15o C and dropped into 125 cm3 of water at 85o C. What will be the final temperature of the mixture? The specific heat of ice is 0.5 cal/g.o C and latent heat of fusion of ice is 80 cal/g

Q: lake freezes over by the surface freezing a d not the entire lake freezing at once. The thickness of…

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Q: What is the specific heat c of a 0.500 kg metal sample that rises 4.80 °C when 305 J of heat is…

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Q: 10. A 0.400-kg of ice is initially at temperature of –12.0 °C. How much heat is required to melt…

A: In the process of melting of ice, two steps occur-Firstly the ice is heated to temperature 00 C and…

Q: 9. Will took a 45.0g cube of solid H20 (an ice cube) out of the freezer at -5.00°C and put it on the…

A: Given data,                        m=45 g                        θ₁ = -5°C                         θ…

Q: How much thermal energy (in J) is required to boil 2.25 kg of water at 100.0°C into steam at…

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Q: 19. A 1.0 meter steel bar has an initial temperature of 20 Celsius, how much stress is needed to…

A: Given: The length of the bar is 1 m. The initial temperature of the bar is 20oC. The final…

Q: How much energy is required to raise the temperature of 1.9 kg of ice at -35.°C to water at 62.°C?

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Q: A closed rigid container has a Volume of 1 m3 and holds air at 344.8 kPa and 273 K. Heat is added…

A: Given data V=1 m3P1=344.8 kPaT1=273 KT2=600 K

Q: The mass of a hot-air balloon and its cargo (not including the air inside) is 190 kg. The air…

A: Archimedes principle states that when a body is partially or fully immersed in a fluid, it…

Q: A 500-g ice cube at 0o C inside a thermal box is placed on a 2-kg of water initially at 20o C. What…

A: the final temperature of the mixture after all the ice cubes have melted is 13.62°C

Q: 28. A container of air has volume of 0.12 m at a pressure of 2.50 x 10S Pa and temperature of 30 C.…

A: Given,volume, V = 0.12 m3pressure, P1 = 2.50×105 Patemperature, T1 = 30 °CThe air is then heated…

Q: TFA Tiw 2) An alloy of unknown composition is heated to 137 °C and placed into 100.0 g of water at…

A: Given:initial temperature of alloy Ti(alloy)=137°Cinitial temperature of water Ti(water)…

Q: elsius Was adwes IE1au neated at a certain temperature which causes It to absorb 800. Jof heat…

A: Given  Mass of sample m=10g Heat absorbed Q=800J Initial temperature Ti=250 C specific heat…

Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

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Q: A sample of water that is initially at 84.0ºC absorbs 500 kcal of heat. As a result, the liquid…

A: Given that:- Initial temperature of water=80°C

Q: 8. • IP A constant-volume gas thermometer has a pressure of 80.3 kPa at -10.0°C and a pressure of…

A: The first condition of the constant volume thermometer is,The second condition of the constant…

Q: The temperature of a iron bar rises by 10.0°C when it absorbs 2.35 k) of energy by heat. The mass of…

A: Given data:  The change in temperature (ΔT) = 10.0°C Heat Energy (Q) = 2.35 kJ Mass (m) = 525 g =…

Q: 12. A 0.400-kg of ice is initially at temperature of -12.0 °C. How much heat is required to melt…

A: mass of ice = 0.400 kg initial temperature of ice = -12oC final temperature = 0o C

Q: A 450-gram metal cube, which is originally at 110 degree(s) C, is dropped into a 0.003 m³ volume of…

A: Write the given values with the suitable variables. mc=450 g=0.450 kgT1=110 °CT2=70 °CTf=78…

Q: Copper has the following properties: specific heat (solid) = 386J.kg-1 C-1 , latent heat (fusion) =…

A: C =386J.kg-1 C-1L =2.07 x 10 5 J.kg -1 = 17 x 10-6 C-1

Q: k) A 250.-g sample of water at 369.0 K was added into 1.00 kg of water at 25.5°C in a coffee-cup…

A: *As per our guidelines we are instructed to answer only one question per session, Kindly post the…

Q: How much heat must be added to 2.55 kg of copper to change it from a solid at 1358 K to a liquid at…

A: Mass of copper, m=2.55 kg The latent heat of fusion for copper Lf=20.7×104 J/kg The latent heat of…

Q: what is the date of heat conduction through the wooden floor ??

A: Given data: Length, l=0.12 m k=0.141 W/mC0 Area, A=30 m2 Temperature, T2=23.0 0C Temperature,…

Q: 200 kg of water at 0o C is in an insulated container. A .500 kg sample of iron (448 J/kg-C) at 100oC…

A: It is given that,

Q: A 155-g aluminum cylinder is removed from a liquid nitrogen bath, where it has been cooled to -196…

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Q: Radioactive decay of granite and other rocks in Earths interior provides sufficient energy to keep…

A: Given,

Q: 4. A copper bar lies between two heat sources given by T₁ = 100°C and Tc = 20°C. The area of the…

A: We know that when there is a temperature gradient heat flows from high temperature to low…

Q: What is the heat (in kJ) released to chill 500. grams of water [specific heat = 4.18 J/g⁰C] from…

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Q: 9.) A 100 lb steel casting at 2700 degrees Farenheit is placed on a 300 lb copper plate - the plate…

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Q: 10. A 0.300-kg of ice is initially at temperature of -8.0 °C. How much heat is required to melt…

A: The heat required to melt the ice will be equal to heat required to convert ice to 0°C plus latent…

Q: Question 7 An average stick of butter weighs 113g and has a specific heat of colid=4.05, when solid,…

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Q: How much ice at a temperature of -13.3 °C must be dropped into the water so that the final…

A: Given: mass of liquid water, M = 0.250 kg Temperature of water, Tw = 64.6 °C Temperature of ice,…

Q: A 90.0-g piece of solid copper at 1000 C is placed in a thermally insulated flask tht contains 40.0…

A: Given,mass of the copper, m = 90.0 gtemperature, Tc = 100 °Cspecific heat, Cc = 0.0920 calg.°Cmass…

Q: To sterilize a 50.0-g glass baby bottle, we must raise its temperature from 22.0ºC to 95.0ºC . How…

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Q: 3) a) A Pyrex baking dish with a mass of 545g warms up by 96.7 °C w hen it absorbs 30.9 k of heat…

A: Equation for heat energy is,

Q: A 50 g lead ball is propelled straight from a cannon at a speed of 40 m/sand it is stopped in an…

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Q: w much energy (in J) is required to raise the temperature of that volume of water from 12.8°C to…

A: Given values:- The volume of water,(V)=3.60 x 1012 m3 ----(1) The density of water,(ρw)=998.23 kg/m3…

Q: b. If 0.3kg of the water in the bucket is poured into a kettle at 7°C i. How much energy is needed…

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Q: A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows…

A: Given Data: Length of window L=1.5 m Height of window h=0.80 m Heat is escaping at a rate of Qe=2000…

Q: 500ml of 60oC water at is added to a beaker. Water’s specific heat is 4.186 J/g °C.  You have 40ml…

A: Given: The amount of water is mw=500 ml, The amount of the unknown substance is mun=40 ml, The…

Q: 2. 200g of water at 50°C in a 80g glass are added to 10g of ice at 0 C. Solve for the final…

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Q: Extra: Suppose you pour the 0.25 kg of 100°C water into 0.50-kg of ice water with a temperature of 0…

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Q: Problem 4. A perfectly insulating thermos bottle is filled with 500 g of water at a tem- perature of…

A: Th principle of calorimetry states that for an insulated system, the heat gained by a body will be…

Calorimetry

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