What is the heat capacity of 2.63 mol of liquid water?   How many kJ of heat are needed to raise the temperature of 2.60 kg of water from 41.1 oC to 70.9 oC?

Q: A 1.00kg piece of metal at 52.0C is placed into 100. g of water at 10.0C. The final temperature of…

A: A 1.00 kg piece of metal at 52.0°C is placed into 100. g of water at 10.0C. The final temperature of…

Q: What is the final temperature in Celsius of 470.1 g of water (specific heat = 4.184 J/g Celsius) at…

A: Heat energy (Q) = m × s × ∆T Where m=mass of sample , s= specific heat of sample , ∆T = Final…

Q: Mercury freezes at -40oC.  How many Joules of heat energy would you need to heat 2.0 g of Hg(l) from…

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Q: What is the heat capacity of 2.13 mol of liquid water? ______ J/ oC How many kJ of heat are needed…

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Q: How much heat is transferred from a 4.10 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

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Q: When 1 mol of CS₂(l) forms from its elements at 1 atm and 25C, 89.7 kJ is absorbed, and it takes…

A: The enthalpy change of the following reaction is ∆H1. The enthalpy change of the following reaction…

Q: a cast iron skillet weighing 3.56 lbs (specific heat=0.449 j/g°C) is heated to 178.0 °C. How much…

A: Given: mass of steel skillet = 3.56 lbs = 1614.79 specific heat of steel = 0.449 j/g°C Initial…

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: A 35.0 g block of metal at 80.0 °C is added to a mixture of 100.0 g of water and 15.0 g of ice in an…

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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: When 4.3 kJ of heat are added to an unknown quantity of water, the temperature rises from 34oC to…

A: 4.3 KJ of heat is added to an unknown quantity of water and the temperature of water rises from…

Q: A 31.1 g wafer of pure gold at 69.3 is submerged into 64.2 g of water at 27.8 in an insulated…

A: given: mass of gold = 31.3 g initial temperature of gold = 69.3oC mass of water = 64.2 g initial…

Q: A chemist dissolves 2.452 g of urea in 43.627 g of water. The temperature goes from 21.52 degrees…

A: Given that -  Mass of urea = 2.452 g  Mass of water = 43.627 g  Temperature change = 21.52 °C…

Q: . How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to…

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Q: How much heat is absorbed by a 1.50-g water sample if it is heated from 25.0°C to 38.0°C? The…

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Q: How much heat will be absorbed by a 96.7 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A: Given: Mass of aluminum=96.7 g Temperature change, ∆T=(67.0-23.0)°C=44 °C The heat needed q =? J…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

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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 energy is needed to raise the temperature of 80.0 g of water from 22.0 oC to 76.0 oC?  The…

A: The energy required for increasing the temperature of a liquid is given by  Q = mCΔT where Q =…

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

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

A: In this equation, we will calculate the heat ( Q ) which is absorbed by the 375 g of water when…

Q: A 4.3 kg sample has specific heat 4.1 kJ/(kg °C) and initial temperature 69 °C.What will be the…

A: Given, mass of sample =4.3 kgspecific heat =4.1 kJ/kg.°Cinitial temperature =69 °Cheat absorbs =120…

Q: Calculate the amount of energy (in kJ) required to heat 100. g of water from 20.0 ºC to 35.0 ºC?…

A: Thermodynamics is branch of chemistry which deals with heat gained or heat lost by the system.

Q: How much heat is transferred from a 4.00 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A: Given : Mass of water = 5 Kg = 5000 g…

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 moles of H2 are required to give off 2501 kJ of heat in the following reaction? N2 (g) + 3…

A: The balanced reaction taking place is given as => N2 (g) + 3 H2 (g) ------> 2 NH3 (g)…

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5 kg) (specific heat…

A: Given, Note: 1Kg = 1000 g Mass of water (m) = 5 Kg = 5000 g Specific heat capacity of water (Cp) =…

Q: A 100.0g sample of water at 25.30 degrees Celsius was placed in an insulated cup. Then 45.00g of…

A: Given that: Mass of water = 100.0 g Initial temperature of water = 25.30°C Mass of lead pellets =…

Q: How much heat in Joules must be used to raise the temperature of 0.340 kg of water from 28oC to…

A: Given information: Mass of water = 0.340 kg Initial temperature for water (Ti) = 28 oC Final…

Q: How much energy must be removed from 12.3 grams of solid aluminum in order to decrease the…

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Q: A 25.0-g sample of ice at 0.0°C is added to 125 g of water, initially at 35.0°C. What is the final…

A: q1+q2=−q3.... (1), where q1 - the heat absorbed by the solid at  0∘C q2 - the heat absorbed by the…

Q: A piece of iron (mass = 25.0 g) at 368 K is placed in a styrofoam coffee cup containing 25.0 ml of…

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Q: How much heat is required to warm 100.0 g water from 31.8 degrees Celcius to 67.5 degrees Celcius?…

A: The heat required is calculated as,

Q: A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: The heat flows from higher to lower temperature and hence, the heat lost by metal is equal to heat…

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

A: Q = mc∆T Temperature of hot water = 55.20C Temperature of cold water = 220C Final temperature =…

Q: Copper is used in building the integrated circuits, chips and printed circuit boards for computers…

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

A: Total volume = 10 L = 10000 mL Initial temperature for hot water = 50.5°C Initial temperature for…

Q: A copper cylinder has a mass of 76.8g and a specific heat of 0.092 cal/g°C. It is heated to 86.5°C…

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Q: How much heat is put into 100g of water to raise temperature from 25.0 to 75.0°C? The specific heat…

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Q: If a 50.0 g piece of brass rod at 98.0°C is placed in 150.0 g of water at 25.0°C, what is the final…

A: Given, For brass, Mass of brass (mbrass) = 50.0 g Specific heat capacity of brass (Cpbrass) = 0.38…

Q: How much heat is given off when an 869 g iron (specific heat = 0.45 J/g. oC) bar cools from 94oC to…

A: For iron :  Mass , m = 869 g  Specific heat, C = 0.45 J/ g ℃ Initial Temperature, Ti = 94℃  Final…

Q: A particular sample of cold graphite at 10.20 °C was added to 988.5 g of water at 25.31 °C in a…

A: Graphite is a hexagonal two-dimensional structure. It is a good conductor of electricity and heat…

Q: A 25.09 g sample of a substance is initially at 24.0 °C. After absorbing 2121 J of heat, the…

A: Interpretation- To determine the specific heat of the substance for  25.09 g sample of a substance…

Q: When 40.00 grams of fictional compound X is added to water to make 236.0 grams of solution, the…

A: Mass of compound = 40.00 g Molar mass = 73.87 g/mol Moles = Mass ÷  Molar mass Moles=40 g ÷ 73.87…

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

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Q: Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to…

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Q: The specific heat capacity of silver is 0.2386 J/g °C. Assuming no loss of heat to the surroundings…

A: The specific heat capacity of silver is = 0.2386 J/goC The mass of silver is = 100.0 g The initial…

Q: 25.7 g of ice at 0 C is converted to liquid water at the same temperature. How much heat is…

A: The amount of heat required to melt the ice at 00C can be calculated as q= moles x Δ Hfus   Where…

Q: Fifty grams of an unknown substance at 115 degrees Celsius is added to 100 gof liquid water at 20…

A: According to the Law of Calorimetry, heat absorbed by any substance is equal to the heat released by…

Q: A 37.7 g. piece of an unknown metal is heated up 43.5 °C when given 1,095.4 J of heat.  What is the…

A: Specific heat capacity of a metal is the amount of heat required to raise the temperature by one °C…