How many joules of energy are required to heat 2.5 kg water from 18.5 to 55.0 Celsius?

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A: Heat flow from high temperature to the low temperature Q= mc(T2-T1)

Q: To raise the temperature of aluminum which has a mass of 200 grams from 298 K to 348 K, 8400 joules…

A: specific heat of aluminum, c= 840  J/kg.K

Q: What amount of energy is required to heat 71.1g of marble from 21 degrees celcius to 151 degrees…

A: Recall the following expression to calculate amount of required energyQ…

Q: A sample substance weighing 2.85 grams displaces 15 Ml of water with an initial temperature of…

A: We will solve this question using calorimeter calculations.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 886.0 g sample…

A: The heat (q) absorbed or evolved can be calculated by the mass (m) of the compound, temperature…

Q: When 151.0 mL of water at 26.0 C is mixed with 71.0 mL of water at 85.0 C, what is the final…

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Q: If it takes 41.72 joules to heat a piece of gold weighing 18.69g from 10.0°C to 27.0°C, what is the…

A: Given, the amount of heat taken by gold q = 41.72 joules amount of gold m = 18.69 g and increase in…

Q: If 4.0 grams of water at 1ºc absorbs 33 joules of heat, what will be the change in temperature of…

A: Given,Mass of water= 4gTemperature = 1 degree Celsius.Heat = 33J

Q: A 40.5 g silver spoon at 17.7°C is placed in a cup of coffee at 89.3°C. How much heat does the spoon…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 674.0 mg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 320.0 mg sample…

A: Consider the given information is as follows; Heat needed (q) = +3.51 JMass of the sample = 320.0 mg…

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

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Q: A piece of a mysterious metal has a mass of 455g. It was determined that its heat capacity is 34.3…

A: The heat capacity of a given substance is defined as the amount to heat required to raise the…

Q: How much energy must be removed from 13.7 grams of gaseous helium in order to decrease the…

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Q: In order to change the temperature of 147 g of lead from 22 o C to 55.oC, how many Joules are…

A: Q = mc∆T Q = heat M = mass C = specific heat capacity ∆T = change in Temp.   M = 147 g ∆T = Tfinal –…

Q: A 789.0 g of water is placed in a freezer. The temperature of water changes from 30.5 degrees…

A: Given : mass = 789.0 g Initial temperature (T1) = 30.5 degree Celsius Final temperature (T2) = 0…

Q: How much heat, in joules and in calories, is required to heat a 28.4-g (1-oz) ice cube from −23.0 °C…

A: Given : Mass of ice cube = 28.4 g Initial temperature of ice cube = -23.0 oC And final temperature…

Q: 3. How much heat is released by a 76 g piece of copper as it cools from 450 °C to 28 °C?

A: Given data contains, Mass of copper is 76 g. Initial temperature is 450°C. Final temperature is…

Q: How much heat will be absorbed by a 43.1g piece of aluminum as it changes temperatures from 23…

A: The heat capacity of a chemical substance is the quantity of heat required to increase temperature…

Q: What is the volume of ethanol required to heat 200.0g of water by 10.0 celsius? The density of…

A: Note: Thank you for question. Since the Heat combustion of ethanol and Specific heat of water is not…

Q: Calculate the amount of heat required to raise the temperature of a 68 gg sample of water from 39 ∘C…

A: To increase the temperature of a substance, heat is given to the substance. The “temperature at…

Q: How much energy is needed to heat 180g of water from 28.0 C to 95C. The specific heat of water is…

A: Mass of water = 180g  Specific heat of water = 4.184j/g°C Change in temperature, ∆T = 95- 28…

Q: Determine the mass of a sample of aluminum if losing 5,150 joules of heat causes its temperature to…

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Q: Find the final temperature of water given an initial temperature of 28 ˚ C, a mass of 8 g, heat (q)…

A: Initial temperature of water (T1) = 28°C Mass of water (m) = 8 g Heat absorbed (q) = 184 J Specific…

Q: 5) A 70.0-g piece of metal at 80.0 °C is placed in 100 g of water at 22.0 °C contained in a…

A: Introduction: Specific heat of a substance is defined as the heat required by the unit mass of…

Q: 5) A 120.0-g piece of metal at 60.0 °C is placed in 150 g of water at 19.0 °C contained in a…

A: Calculating the heat released or absorbed for the process:            ......(1) In a system, the…

Q: Determine the specific heat capacity of 250.0g of an unknown metal. When the metal absorbs 18.1 kJ…

A: a) Given that: mass of metal = 250.0g initial temperature, Ti = 23.1°C final temperature, Tf =…

Q: Calculate the total heat energy in joules needed to convert 20.0g of water from 30.0 c to -20.0c

A: q = mc∆T            m = mass  of water = 20.0 g             c = 4.184 J/g. oC…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: How much heat is required to raise the temperature of a gold earring from 25.0°C to 30.0°C? The…

A: To solve this problem we will use the formula  Q = m • C • ∆T  Where,  Q = heat required  m = mass…

Q: 3) Calculate the heat capacity of a piece of wood if 1500.0 g of the wood absorbs 6.75x104 joules of…

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Q: piece of metal was placed into a 75.00 grams of water. the temperature of the water increased from…

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Q: Aluminum has a specific heat of 0.9J/(g °C). How much energy in kJ is needed to raise the…

A: Given, mass of Al block = 625 g  Specific heat, c = 0.9 J/g°C

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing…

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Q: How much energy does it take to heat 2.0 kg of water from 25.0 degrees C to 75.0 degrees C?

A: Given that,  Mass of water given m = 2.0 Kg = 2000 g Heat capacity of water c = 4.184 J/g°C Change…

Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of…

A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree…

Q: 19] How many joules of heat are required to heat 155 grams of water from 15.0*C to 99.0*C ? C =…

A: The ratio of the quantity of heat energy delivered to an item to the ensuing increase in temperature…

Q: Which substance listed below would require the least amount of heat energy to raise its temperature…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

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Q: How much energy is required to heat 105.0 grams of the substance from 14.0 degrees * C to 73.0…

A: Heat energy required for the transition can be calculated using respective phase changes and…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 744.0 mg sample…

A: mass = 744mg = 0.744g Initial Temperature = -7.8oC Final Temeprature = 12.8oC Heat = 3.60J

Q: The specific heat of aluminum is 0.900 j/g*C, how many joules of energy are required to raise the…

A: Given, mass of Al (m) =20.0 gspecific heat of Al (c) =0.900 Jg.°Cinitial temperature T1 =10.0…

Q: You heat 26.1 g of a solid in a test tube to 100.00°C and add it to 50.00 g of water in a coffee-cup…

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Q: How much heat is required to raise the temperature of 15 x 10g of water from 45F to 130F? The…

A: Answer: This question is based on the following formula: Q=mS∆There:Q=heat exchangedm=mass of the…

Q: 1. How much heat must your body transfer to 500.0g of water to heat it from 25.0°C to body…

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Q: A 43.9 g spoon made of pure silver (c = 0.235 J/g C) at 20.1 celcius is used to stir an 8 oz. (240…

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Q: Calculate the quantity of heat required to warm 1.25 L of water from 22.0°C to 98.0°C in an electric…

A: We have 1.25 L of water , initial and final temperature are 22°C and 98°C, we have to calculate the…

Q: An electric range burner weighing 619.0 grams is turned off after reaching a temperature of 499.9°C,…

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Q: A sample of lead pellets with a mass of 26.47 g that has an initial temperature of 89.98 degrees C…

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