How many joules of heat are required to heat 125 g aluminum from 19.0°C to 95.5°C?

Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of coffee at…

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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: 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: A 15.0 g piece of graphite is heated to 100.0 degrees C and placed in a calorimeter. The graphite…

A: The specific heat of graphite is calculated by using the following expression,

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: The heat is related to mass, temperature change, and specific heat of a substance as: q=mc∆T

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: The question is based on the concept of calorimetry. We have to determine specific heat capacity of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.87 kg sample…

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Q: 125 mL of H20 is initially at room temperature (22.0°C). A chilled steel rod at 2.0°C is placed in…

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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: repair crews to weld rails together. -) Ⓡ 2Fe(s) + Al2O3(s) DH rxn= -850 kJ -n, in grams, is formed…

A: Exothermic process is the one in which energy is liberated from the system to the surrounding in the…

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: If it takes 105J to warm 100.0g of aluminum from 10.0°C to 25.0°C, what is the specific heat.of…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.50 kg sample…

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Q: The temperature of a 15.9 g sample of gold increases from 22.1 degrees Celsius to 30.6 degrees…

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Q: A 125g piece of metal is heated to 288celcius and dropped into 85.0 g of water at 12.0 Celsius. The…

A: Given,Mass of metal = 125 gTemperature = 288 oCMass of water = 85.0 gTemperature = 12 oCFinal…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

Q: It takes 475 J to heat 25 grams of a metal from 25 °C to 75 °C. What is the specific heat? J/g "C

A: Answer

Q: When 435 J of heat is added to 3.4 g of olive oil at 21 o C, the temperature increases to 85 o C.…

A: Given: q=435 J of heat absorbed by the substance.m=3.4g of olive oil To Solve: Specific heat…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: …

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Calorimeter: A calorimeter is an instrument used for calorimetry, or the process of measuring the…

Q: The initial temperature of a 12g sample of copper is 25 C.  If the sample absorbs 226J of heat, what…

A: Given: Heat absorbs = 226 J Heat capacity of copper = 0.385 J/g⋅∘C Mass of copper = 12 g Initial…

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: how many calories are required to heat 52.7g of aluminum from 100 celsius to 285 celcius ? specific…

A: The amount of heat required to raise the temperature of the substance by one-degree Celsius is known…

Q: if a 26.8 g sample of water (Cwater=4.184J/(g Celcius)] is cooled from 75.6 degrees Celcius to 20.1…

A: Heat change of a cooling or heating process is given by  Q = mCΔT where m = mass of water = 26.8 g C…

Q: A. HEAT Initial Temperature of Metal A Final Temperature of Metal A 89.67 °C 21.50 °C 4.70 grams…

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Q: How much heat is required to raise the temperature of 6.21g sample of iron from 25.0 Celsius to 79.8…

A: Temperature change (ΔT) taking place in 6.21g of iron is given.

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: How many joules of heat are required to heat 125 g aluminum from 19 degrees C to 95.5 degrees C?

A: Given information:Mass of aluminum = 125 gInitial temperature = 19 ˚CFinal temperature = 95.5…

Q: How many joules of energy are needed to heat 15g of water from 5.0 C to 15.0 C?

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Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

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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: If you wish to heat 4.0 L of water on the wood stove from 10.0 °C to 90.0 °C, how much heat must…

A: To solve this problem, we have to use formula which is- Q=m.c.dT Where m is the mass c= specific…

Q: A 24.0 g sample of iron was heated from 0°C to 35.0°C. It absorbed 4087.4 J of energy as heat. What…

A: Consider the given equation as; Q = M C dT                          .......(1) Consider the given…

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: A piece of metal weighing 98.4 g with a specific heat of 0.46 Jg-¹ °C-1 at 1028.6 °C is dunked into…

A: Given that,  The weight of the metal piece is mM = 98.4 g, The specific heat of the metal is CM =…

Q: A 22.44 g sample of iron absorbs 180.8 J of heat, upon which the temperature of the sample increases…

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Q: Determine the mass of a sample of silver if 705J of heat are required to raise its temperature from…

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Q: The specific heat of a metal is 0.143 cal/g-K. Calculate the heat necessary (in J!) to raise the…

A: Step 1: Given that: Specific heat of metal (c) = 0.143 cal/g.K Temperature before heating (T1) =…

Q: A glass contains 250.0 g of warm water at 78.0°C. A 50.0 g piece of gold at 2.30°C is placed in the…

A: according to principle of calorimetry  heat lost by one system = heat gained by other system

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: Calculate the amount of heat required to raise the temperature of an 91g sample of water from 39 ∘C…

A: The heat required to raise the temperature of a substance can be expressed as:

Q: How much heat is needed to raise the temperature of 81.0 gof water from 35.0 °C to 94.0 °C? 289000 J

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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: What mass of lead is needed to absorb 348 J of heat if the temp of the sample rises from 35.2…

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Q: A sample of water with a mass of 764.1g undergoes a temperature change from 41.23 celcius to 20.82…

A: In exothermic reaction, there is release 9f heat energy during reaction.

Q: It takes 48.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0° C to 24.3…

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