During a strenuous workout, an athlete generates 2210 kJ of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate 2210kJ of heat?

Q: A 12.3 g chunk of metal is heated up to 95°C and  dropped into an insulated vessel containing 157 g…

A: The question is based on the concept of law of conservation of energy . whatever heat lost by the…

Q: Calculate

A: Water is not heated upto 100°C so it is not boiled. So that, specific heat capacity of water is…

Q: 4. What mass of water would absorb 7.00 × 10² cal of heat if the temperature is increased from…

A: Heat of a reaction is defined as the heat  produces or absorbed during the reaction which can be…

Q: When 15.53 grams of fictional compound X is added to water to make 344.5 grams of solution, the…

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Q: It took 412.5 J of heat to raise the temperature of 24.6 g of a substance from 14.5°C to 52.6°C.…

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Q: How much heat must a 30.0 g sample of water absorb to raise its temperature from 22.0 ∘C to 67.0 ∘C?…

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Q: A piece of metal with a mass of 125 g was heated in a flame and then dropped into a container…

A: mass of metal = 125g  mass of water = 500g  Initial Temperature of water = 26.5oC Final Temperature…

Q: Two substances, A & B, have equal masses. If each absorbs 25 Joules of energy, and the temperature…

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Q: A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature…

A: In this question, we want to determine the specific heat of the unknown substance.  You can see…

Q: In the lab, an experimenter mixes 75.0 g of water (initially at 30 o C) with 83.8 g of a solid metal…

A: To determine the specific heat capacity of any particular metallic substance, calculate the energy…

Q: How much heat is required to warm 1.50 L of water from 25.0°Cto 100.0°C? (Assume a density of 1.00…

A: We can solve this problem by using the following relation: q=m×c×△T Where: q=Heatc=specific heat(…

Q: 4. Was heat being added to the system during the times that the temperature remained rela- tively…

A: Law of conservation of energy states that energy can neither be created nor  be destroyed but can…

Q: A chemist dissolved an 10.8-g sample of KOH in 100.0 grams of water in a coffee cup calorimeter.…

A:

Q: How many kilojoules of heat energy are going to be absorbed by a pot of water with the mass of 200.…

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

Q: When an alloy containing 20 g aluminum (c = 0.900 J g⁻¹ K) and 29 g copper (c = 0.385 J g⁻¹ K⁻¹) at…

A: Given that;   Mass of aluminum MAl  = 20g Heat capacity cAl  = 0.900 J/g°C  (unit correction)  Mass…

Q: How much heat must be absorbed to raise the temperature of 1.0 mole water from 0.0 °C to 25.0 °C?…

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Q: What mass of water can be heated from 10.0 °C to 75.0 °C using 95.1 kJ of heat?

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Q: How much heat is required to raise the temperature of 789g of liquid ammonia, form 25°C to 82.2°C?

A: Given: The mass of liquid ammonia is 789 g. The initial temperature is 25oC. The final temperature…

Q: How much heat in kJ is needed to raise the temperature of 130.0 g of water from 15 °C to boiling…

A: Given, amount of water =130.0 ginitial temperature =15 °Cfinal temperature(boiling point of water)…

Q: How much would the temperature (in °C) of 260. g of water at 25°C increase if 37.7 kJ of heat were…

A: The relationship between amount of heat of a substance and mass, specific heat, and change in…

Q: A chemist dissolved an 12.9-g12.9-g sample of KOHKOH in 100.0 grams100.0 grams of water in a coffee…

A: A.) To calculate the heat required , we would use the formula , q = m × C × dT  B.) To calculate the…

Q: The temperature of a beaker containing 194 mL (density of water is 1 g/mL) of water changes from 16…

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Q: What is the sensible h

A: by addition of heat to a object its temperature rises, the increase in heat is called "sensible…

Q: A chemist dissolved an 10.2g sample of KOH in 100.0 grams of water in a coffee cup calorimeter. When…

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Q: If the mass of a sample of Mg is 0.500 g and is placed in 100.0 g  of HCl, the heat gained is 546.5…

A: If heat is released then q will be negative and Heat is absorbed then q will be positive. Q= mC∆T…

Q: How much heat is gained when the temperature of 288 g of liquid water is raised rom 100 °C to 125…

A: We have to tell which option is correct from given choices of options by finding specific heat…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: Calculate the amount of heat absorbed by 100 g of water that warms from 100 K to 273 K.

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Q: 31.4-g sample of water at 290. K is mixed with 50.7 g water at 340. K. Calculate the final…

A: If you assume that no heat is lost to the surroundings, then you can say that the heat lost by the…

Q: How many kilojoules of heat are absorbed when 2.00 L of water is heated from 12.5°C to 93.5°C?

A: Mass= density×volume  Mass= 1×0.002=0.002gm Now  Q=mc∆T Q= 0.002×4.18×(93.5-12.5) Q= 0.067×10-6kj

Q: Question is attached

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A total of 2.00 molmol of a compound is allowed to react with water in a foam coffee cup and the…

A: the enthalpy of reaction (ΔHrxn) is the difference in enthalpy between products and reactants

Q: constant‑pressure calorimeter, 23.323.3 g of X is dissolved in 297297 g of water at 23.00 °C.…

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Q: How much will the temperature of a 200g water at 95°C be reduced when a 45 g metal ( cp = 0.24 J/g…

A: The heat absorbed or released is given by : q = m. C. (T final - T initial ) Where  q = heat…

Q: 1.3. A copper cylinder has a mass of 65.5 g and a specific heat of 0.092 cal/g.°C. It is heated to…

A: Answer 1.3 mass of copper cylinder = 65.5 g specific heat of copper cylinder = 0.092 cal/g.0C…

Q: When 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution…

A: Given that,mass of NaOH ,ms= 0.8 gmass of water, mw = 100 gInitial temperature = T1 = 25oCFinal…

Q: q) + HCI (aq) → H20 (1) + NacI (aq) 6.13 kJ/mol ny kilojoules of heat are produced when 1000 mL of…

A: The question is based on the concept of chemical thermodynamics. we have to calculate heat produced…

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: When 20 grams of a salt is dissolved in 95 grams of water, the temperature of the solution decreases…

A: Given, mass = 20 grams + 95 gram = 115 gram ∆T=T2 - T1      = 30-40       =-10 oC c = 1.1cal/g oC ∆Q…

Q: Do the following with your experimental data. 1 Calculate the amount of heat absorbed by the water.…

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Q: You want to quickly set up a temporary water bath in your lab with a volume of 10.0 L and a…

A: Given: Initial Temperature of hot water = 56.1 °C Initial Temperature of cold water = 22.0 °C…

Q: How many 20.0-g ice cubes are required to absorb 53.7 kJ from a glass of water upon melting?

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Q: You mix 13 mL of 1.6 M nitric acid with 78 mL of 0.50 M potassium hydroxide. By how much does the…

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Q: 2. A 25.0 g bold made of an alloy absorbed 250 J of heat as its temperature changed from 25.0 °C to…

A: Applying formula Q= mc∆t

Q: how much heat energy was required to dissolve the sample of KOH

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Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25° C? Specific…

A: Given, mass = 375 g  Specific heat, c = 4.184 J/g°C  Heat = ?

Q: A 466 g of water is heated from 8.50C to 74.60C. Calculate the amount of heat absorbed (in…

A: Given,  Mass of water = 466 g  Heat absorbed = ?

Q: Define the specific heat capacity of water. What units are used for this value? How much heat is…

A: 1. Solution - Specific heat is defined by the amount of heat needed to raise the temperature of 1…

Q: 30.0 g of a substance (molar mass: 46 g/mol) required 262 J of heat to raise its temperature from…

A:

Q: When 7.474 g of NaCl is dissolved in 120 grams of water at 22 oC in a coffee-cup calorimeter, 500J…

A: we are given that NaCl dissolves in water heat absorbed by the solution=500J so heat released by the…