A chemist carefully measures the amount of heat needed to raise the temperature of a 0.34 kg sample of C,H¸O from -1.5 °C to 18.1 °C. The experiment shows that 1.09 × 10* J of heat are needed. What can the chemist report for the molar heat capacity of CHO? Round your answer to 2 significant digits. -1 J.mol •K

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After mixing 125 g of…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 129.0 mg sample…

A: Mass of sample = m = 129 mg = 0.129 g Initial temperature = T1 = - 9.6°C Final temperature = T2 =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.65 kg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 643.0 mg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.85 kg sample…

A: Given: Mass of sample = 0.85 Kg = 850 g                              (Since 1 Kg = 1000 g) Initial…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.73 kg sample…

A: Heat capacity is defined as the amount of heat required to change the temperature of the substance…

Q: emist carefully measures the amount of heat needed to raise the temperature of a 360.0 g sample of a…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

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 0.53 kg sample…

A: We know that  Q = m*s*ΔT        ----------(1) Where, Q is heat energy               m is mass 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: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.54 kg sample…

A: Mass=0.54kg =540 gm (1 kg = 1000gm) T1=-2.9°C= (-2.9+273)K=270.1K  T2=10.5°C=(10.5+273)K=283.5K…

Q: The heat of combustion for a sample of coal is 24.0 kJ/g. What quantity of coal (in grams) must be…

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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 545.0 g sample…

A: Given: mass of substance = m = 545.0 g Temperature change, ∆T  =( 2.8+ 273.15 ) K to ( 13.0 + 273.15…

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 student heats 68.15 grams of silver to 98.73 °C and then drops it into a cup containing 78.21…

A: All the information is given in question  Mass of silver and temperature  Mas software water and…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.69 kg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 162.0 g sample…

A: Answer: When heat is added to a substance, its temperature rises but the value of temperature rise…

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 631.0 g sample…

A:

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.29 kg sample…

A: 0.45 or 4.49 * 10-1 J/g K

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.21 kg sample…

A: Please find your solution below : Calorimetry is a process which is used to measure the amount of…

Q: We add 3.358 kJ of heat to a calorimeter that contains 50.0 g of water. The temperature of the water…

A: Given: Mass of water = 50 g Initial temperature of water and the calorimeter (Ti) = 22.34 ℃ Final…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.04 kg sample…

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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: A chemist carefully measures the amount of heat needed to raise the temperature of a 242.0 mg sample…

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Q: the specific heat capacity of th

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 794.0 g sample…

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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: the molar heat capacity ofC4H8O?

A: Given that amount of heat, temperature difference, mass of the sample. I have provide solution in…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.52 kg sample…

A: Given, Mass of C6H4F2 sample = 1.52 Kg Amount of heat = 2.83 * 104 J Temperature raises from - 0.9◦C…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.61 kg sample…

A: We have to calculate the specific heat.

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 chemist carefully measures the amount of heat needed to raise the temperature of a 833.0 mg sample…

A: