Calculate the amount of heat required to raise the temperature of a 34 gg sample of water from 9 ∘C∘C to 28 ∘C∘C.         Express your answer using two significant figures.

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: 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: A chemist carefully measures the amount of heat needed to raise the temperature of a 124.0 g sample…

A: We are assuming no any phase change during additon of heat .  Change in temperature  = 9.9 -(-2.6)…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 186.0 mg sample…

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Q: A block of unknown metal requires 50 kJ of heat to raise in temperature from 40 deg C to 50 deg C.…

A: Given Q1 = 50 KJ ∆T= final temperature - initial temperature      =  50- 40       = 10 Now by using…

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: 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: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

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

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Q: What is the specific heat of an unknown substance if 1,462 J are required to heat 36 g of the…

A: Given Mass = 36 g heat = 1462 J T1 = 17°C T2 = 35°C specific heat (C) = ?

Q: Which of the following will use the least amount of heat to increase in temperature by 10 °C? I. 2…

A: I. 2 g Zn (c = 0.387 J/g °C) II. 1 g Pb (c = 0.128 J/g °C) III. 2 g Au (c = 0.126 J/g °C) IV. 1 g…

Q: An electric range burner weighing 610.0 grams is turned off after reaching a temperature of 483.5°C,…

A: Heat loss = Heat gain  ( mS∆T )burner = ( mS∆T ) water

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 590.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 196.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 236.0 mg sample…

A: We know that q = mc∆T ....(1)  q = heat required = 3.7 J, ∆T = increase in temperature = 11.6 °C…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 198.0 mg sample…

A: Each chemical reaction is associated with the liberation or intake of a certain quantity of heat.…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.25 kg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 671.0 mg sample…

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

A: To calculate the energy required to raise the temperature of any given substance, is calculated as-…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 732.0 mg sample…

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Q: A metal radiator is made from 13.96 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: Given;

Q: A 312 g sample of a metal is heated to 281.562 °C and plunged into 200 g of water at a temperature…

A: Here we can calculate the heat gained by water using its specific heat , mass and temperature…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 415.0 mg sample…

A: The amount of heat absorbed or released is equal to the product of mass of substance with specific…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 697.0 mg sample…

A: We will calculate specific heat. Mass= 697mg=0.697g

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 206.0mg sample…

A: Given : Mass of sample = 206 mg = 0.206 g…

Q: Calculate the heat capacity of a brick if 100. g sample absorbs 2439 J of heat, and it’s temperature…

A:

Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat…

A: Given :-  Substance          specific heat (J/g°C)  Iron                        0.45 Air…

Q: A metal radiator is made from 25.07 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: The mass of iron metal is = 25.07 kg The heat capacity of iron metal is = 0.449 J/goC Increase in…

Q: A 55.0g sample of metal z requires 675j of energy to heat it from 25.0 to 118.0 Celsius? Calculate…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 682.0 mg sample…

A: • The values provided in the question are:-       i) Mass of a substance, m = 682.0 mg = 0.6820 g {…

Q: An unknown hot metal at 146.5°C with a mass of 49.43g was mixed with 36.8g of water at an initial…

A: specific heat is defined as the quantity of heat required to raise the temperature of one gram of a…

Q: O THERMOCHEMISTRY Calculating specific heat capacity A chemist carefully measures the amount of heat…

A: Calculation as shown below

Q: Predict the total quantity of heat that would be required if you wanted to prepare a cup of instant…

A: Volume of cold water is 200 ml and density is 1.0 g/mL.Specific heat of water is 4.18 J.g.-1.°C-1…

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

A: Given :-  Specific heat of toluene = 1.13 J/g.K  Mass of toluene = 40.0 g  Initial temperature =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.79 kg sample…

A: Answer is given below

Q: An unknown solid metal at 150 degrees celsius was placed in 1.00 L of water at 25 degrees celsius.…

A: Heat absorbed or emitted by a substance = mass of the substance x specific heat of the substance x…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.26 kg sample…

A:

Q: 22.009 g of a metal at 100.15°C was added to 15.6 g of water at 18.01°C. The temperature of the…

A: The amount of heat transferred in a system is calculated as follows,…

Q: In the laboratory a student finds that it takes 62.2 joules to increase the temperature of 10.3…

A: Given data,Heat=62.2JMass of Fe=10.3gInitial temperature=23.7oCFinal temperature=38.4oC

Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 506.0 g sample…

A: Given  Mass (m)= 506.0 g  Initial temperature (Ti) = -2.4 °C Final temperature (Tf) = 21.6 °C Heat…

Q: A calorimetry experiment was done on a mystery piece of metal and the data was recorded in the table…

A: The given data : The mass of the mystery metal = 89.20 g The initial temperature of the metal =…

Q: Calculate the heat necessary to increase temperature of a) 100. g of water b) 2.00 mol H2O(l) from…

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Q: The table shows the specific heat capacity of four substances. Heat Capacity Substance J/g°C…

A: Given specific heat are Substance Specific heat (J/g oC Aluminium  0.900 Glass 0.500 Carbon…

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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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 500.0 mg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.63 kg sample…

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Q: An object that has a mass of 75 g is heated from 50°C to 93°C. If it takes 3000 J for the…

A: Given: Mass of object = 75 g Initial temperature = 50°C Final temperature = 93°C Heat required =…