A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9.10kg of water at 38.9°C. During the reaction 142.kJ of heat flows out of the bath and into the flask. Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is 4.18·J·g−1K−1. Round your answer to 3 significant digits.   =          °C

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: How many grams of water can be heated from 25.0 oC to 75oC using 12500.0 Joules?

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A: Given data,  Mass of the sample of a pure substance= 153.0 mg = 153.01000gm= 0.153 g Temperature…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.46 kg sample…

A: The solution is provided below;

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A: Given: Amount of energy produced per hour = 2010 Btu/hr .

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A:

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A: A numerical problem based on chemical thermodynamics, which is to be accomplished.

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A: In thermodynamics specific heat capacity of sabstance is equal to the amount of energy required to…

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

A:

Q: Question is attached

A: Specific heat, ratio of the quantity of heat required to raise the temperature of a body one degree…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.91kg sample…

A: Given: mass of substance = 1.91 kg = 1910 g Temperature change = 0.6°C to 15.5°C Heat needed = 3.96…

Q: 1-  During a chemical reaction, which of the following statements is ALWAYS true?  I) A system…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A sample of iron absorbs 62.3 J of heat, upon which the temperature of the sample increases from…

A: The amount of heat required is related to specific heat capacity as,…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 569.0g sample…

A:

Q: You are asked to calibrate a 25.00 mL volumetric pipet. You determine that the temperature of your…

A: Here we have to calibrate the pipet using mass and density of water.Given,mass of water transferred…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.00 kg sample…

A: Given,  Mass of the substance in kg = 1.00 kg  Initial temperature = Ti = 54.4 0C  Final temperature…

Q: 4. If 5.524 x 10°J of heat is applied to a 702.1 g sample of iron, by how many degrees Celsius will…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 270.0 g sample…

A:

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

A:

Q: A coal-burning power plant generates electrical power at a rate of 450 megawatts (MW), or 4.50 x 108…

A: Heat is that energy which is transferred from one body to another which creates difference in…

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: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C. What is the specific heat…

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

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 663.0 mg sample…

A: Given Mass = 663 mg = 663 x 10-3 g Heat = 12.8 J T1 = 0°C T2 = 21.4°C

Q: ΔE of a system

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Q: Calculate the heat capacity for 50.0 g of water in units of J/oC and calories/oC.

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Q: The heat involved in a temperature change can be calculated using the following equation. Q (heat)…

A: Given : Initial temperature of water = 20 oC Final temperature of water = 24 oC Mass of water = 50.0…

Q: After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500 kg block of copper is 37 oC.…

A: Specific heat capacity is the amount of heat required to raised the temperature by 1 oC when heating…

Q: An office heater puts out 2030 Btu (British thermal units) of energy in the form of heat per hour.…

A: 1 day = 24 hours So, 365 days = (24×365) hours = 8760 hours

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a…

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: In addition to calculating specific heat capacities, some calorimeters can be used to determine how…

A: A) The number of Joules in 1 calorie = 4.184 J.

Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: 1. When 145.6 J of heat are added to 13.0 g of mercury in a thermometer, the temperature increases…

A: Here we have to determine specific heat of  mercury if 13 g of Hg absorbed 145.6 J heat energy so…

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4°C. What is the specific heat…

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

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A: Given: Heat capacity in J/K = 15.080 J/K.

Q: Measuring the change in temperature versus time upon addition of a hot metal specimen to 10.3 mL of…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.45 kg sample…

A: Given,  Mass, m = 1.45 kg = 1450 g  Initial temperature, Ti = 36.3 °C  Final temperature, Tf = 56.3…

Q: A 21 gram piece of metal at 125 oC is dropped into 87 grams of water at 17 oC. The water temperature…

A: Heat gain by water = heat lost by metal (-ve)

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 251.0 mg sample…

A: m = 251 mg = 0.251 g T1 = -9.6 oC T2 = 6.1 oC  q = 1.77 J C = ? ΔT = T2 - T1 = (6.1 + 273) - (-9.6 +…

Q: E. A chemical change involves a change in the composition of matter-the formation of a new chemical…

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

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 799.0 mg sample…

A:

Q: 1. A thermometer placed in a solution undergoing a chemical reaction indicates an increase in…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How much heat is given off to the surroundings when 6 g of aluminum reacts according to the…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

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…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.91 kg sample…

A: Mass of the substance = 0.91 kg 1 kg = 1000 g