200 g of ethyl alchohol is vapor at 108.5 degrees C. How much heat in units of kcal must we remove to cause all of the mass to become frozen at -127 degrees C? Q = [X] ___________ kcal

Q: A laboratory technician drops a 0.085 kg sample of some unknown solid, at a temperature of 100.0°C,…

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Q: 6. DETAILS KATZPSEF1 21.P.016. MY NOTES ASK YOUR TEACHER A block of metal of mass 0.380 kg is heated…

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Q: 9. Calculate the amount of energy required to heat the air in a house 30 by 50 by 40 feet from 10 to…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 15) Which one of the following quantities is the smallest unit of heat energy? D) Btu A) joule B)…

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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: Two 50-g ice cubes are placed into 0.2kg of water in a Styrofoam cup. The water is initially at a…

A: Two 50-g ice cubes are placed into 0.2kg of water in a Styrofoam cup. The water is initially at a…

Q: 3. Answer the following questions as either TRUE or FALSE a. the Sun directly heat the air in our…

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Q: ne proposal for an effortless method of losing weight is to drink large amounts of cold water. Water…

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Q: Calculate the amount of heat needed to change the temperature of 1 kg of ice at 32 o F to 220 o…

A: Given data, Mass m= 1 kg Temperature T1=32°F Temperature T2=220°F Specific heat of water = 1…

Q: A container of 114.0 g of water is heated using 67.0 W of power. How long will it take to raise the…

A: Given data:  Mass (m) = 114.0 g Power (P) = 67.0 W Initial temperature (Ti) = 15°C Final temperature…

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

A: Let the final temperature be Tf.  Heat required to change temperature △T of a sample of mass m and…

Q: 1. A 250–g piece of gold is at 19 °C, 5192 J of energy is added to it by heat. The specific heat of…

A: As per the guidelines, we are supposed to answer only first question, Kindly repost other question…

Q: At atmospheric pressure, how much energy is required to heat 47.0 g of H2O(s) at -10.0◦C to H2O(g)…

A: mass of ice = 47 g initial temperature of ice = -10oC final temperature = 129oC

Q: 2.What is true about the latent heat of condensation for a substance? Select all that apply.

A: We have to know about basic here.

Q: Four liquids are at their freezing temperature. Heat isnow removed from each of the liquids until it…

A: Given The amount of heat that must be removed by liquid A is QA = 33500 J. The amount of heat that…

Q: A solid magnesium sample of 0.1628 g (M.W. = 24.305 g/mol) is burned in a constant- volume…

A: Given data: The mass of sample is m=0.1628 g. Initial temperature of water is T1=25°C. Final…

Q: A cube of ice is taken from the freezer at -6.5 ∘C∘C and placed in a 95-gg aluminum calorimeter…

A: using princip[le of calorimetry      heat gained by ice = heat lost by aluminium + water

Q: Question 20 Thirty-five grams of lead shot is placed in a light cylinder that is 1.25 m long and is…

A: Given : m = 35 grams h = 1.25 m c = 0.03 kcal/(kg.C°) = 125.58 J/(kg.C°) n = 50

Q: The specific heat of alcohol is about halfthat of water. Suppose you have 0.5 kg of alcohol at the…

A: Given data The specific heat of alcohol is CA = 0.5 CW. The mass of the alcohol is mA = 0.5 kg. The…

Q: A cube of ice is taken from the freezer at -5.5 °C and placed in a 95-g aluminum calorimeter filled…

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Q: How much heat has to be added to change  0.500 kg ice from -10 0C completely to  a steam of 110 0C.…

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Q: A 45.0-kg sample of ice is already at 0.0° C. How much heat is needed to melt it? For water Lf =…

A: Latent heat of fusion (LF) of ice is the amount of heat required to melt a unit mass of ice from the…

Q: If you have a mass of 55 g of ice that goes from – 10 oC to water vapor at 120 oC. (10 minutes) a-…

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Q: 6. Find the total heat required (in kJ) to raise the temperature of a 0.190 kg of ice from -16.0°C…

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Q: A coffee cup calorimeter contains 48.00 grams of water at 25.0°C. Two additional samples of water…

A: When heat energy is supplied to or absorbed from an object, according to the energy conservation…

Q: 1.15 The heat capacity of air is much smaller than that of water, and relatively modest amounts of…

A: heat capacity = C= 21 j/mole-kelvin Volume of the room = V = 5.5 x 6.5 x 3 = 107.25 m3 standard…

Q: If a leaf is to maintain a temperature of 40.0°C (reasonable for a leaf), it must lose 257 W/m2 by…

A: CONCEPT: We know,  the amount of heat taken by the substance is given by…

Q: Approximately 80% of the energy used by the body must be dissipated thermally. The mechanisms…

A: When the jogger's body cools by sweating, the energy transferred is calculated as, Q=mc∆T,where, m…

Q: Before going in for an annual physical, a 70.0-kgkgperson whose body temperature is 37.0∘C Consumes…

A: Given:Mass of the person = 70 kgTemperature of the person = 37o C…

Q: A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is eated…

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Q: same heat transfer into identical masses of different substances produces different temperature…

A: "As per Bartleby Policy I can answer only three subparts. Kindly repost the other part for…

Q: 2. A glass of mass 100g, contains 150g of water at 30°C. When 70g of ice at 0°C is added to the…

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Q: How much heat is required to change 100 lbs of ice at 10°F to steam at 212°F? Assume the following:…

A: Given data mass of ice : m=100 lbs Initial temperature of ice  : T1=10 °F Final temperature of steam…

Q: cube of ice is taken from the freezer at -6.5 ∘C∘C and placed in a 95-gg aluminum calorimeter filled…

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Q: What will be the final mass ratio (water/steam) when you mix together equal parts ice at 0 degrees C…

A: initial temperature of ice = 0 C let mass of water / steam = m initial temperature of steam = 100 C…

Q: A 60 kg runner expends 3.00 x 102 W of power while running a marathon. Assuming 10.0% of the energy…

A: Given : Mass of the runner, m = 60 kg Power expended, P = 3×102 W = 300 W 10% energy delivered to…

Q: The latent heat of fusion of ice is 334 J/g. What does this value means? 334 J of energy is needed…

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Q: A 60.0-kg runner expends 359 W of power while running a marathon. Assuming 12.5% of the energy is…

A: Given: The mass of the runner is 60.0 kg. The power of the body is 359 W. The percentage of energy…

Q: You are given a pot of hot tea (350 mL) at a temperature of 85oC and a quantity of ice at -12oC.…

A: At equilibrium, Heat lost by tea for temperature to fall from 85°C to 0°C = heat gained by ice for…

Q: The basal metabolic rate is the rate at which energy is produced in the body when a person is at…

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Q: 3. 120 grams of water are heated from zero degrees Celsius to 30.0 degrees Celsius. Which…

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