Calculate the energy required to heat 1.00 kg of graphite from 1.0 °C to 23.3 °C. Assume the specific heat capacity of - 1 graphite under these conditions is 0.710 J-g K'. Round your answer to 3 significant digits.

Q: A 75.0 gram piece of titanium is heated to a temperature of 98.40ºC. The metal is then dropped into…

A: Write the expression of heat change due to the change in temperature. ∆H=ms∆t Where ∆H is the heat…

Q: Calculate the energy required to heat 744.0mg of silver from −5.6°C to 19.1°C. Assume the specific…

A: The -5.60C and 19.10C are equal to 267.55 K and 292.25 K respectively. The mass of 744 mg of silver…

Q: What is the specific heat capacity of an unknown material that has a mass of 81 grams and that…

A: The given data contains, mass = 81 g. heat = 2702 J.

Q: A 498.00 sample of an unknown metal at 92.15°C is placed in a calorimeter containing 185.00 mL of…

A: At the thermal equilibrium, the heat lost by the metal is equal to the gained by the water.…

Q: Calculate the energy required to heat 751.0 g of mercury from -6.8C to 4.0C. Assume the specific…

A: Given: Mass of mercury ‘m’ = 751.0 g Initial temperature, Tinitial = -6.8oC Initial temperature,…

Q: A 5.52E1 g sample of water at 9.973E1 °C is placed in a constant pressure calorimeter. Then, 2.32E1…

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Q: What is the heat capacity of mercury in J⋅mol−1⋅∘C−1?

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Q: A small statue, made of an unknown metal, weighs 700 g. This statue at room temperature (27.00° C)…

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Q: It takes 57.5 J of energy to raise the temperature of 115.4 g of mercury from 23.61°C to 27.17°C.…

A: We know that the energy supplied is equal to the internal energy change of the molecules.

Q: a system performs 274.0 Joules of expansion work while absorbing 168.0 joules of heat. how many…

A: According to first law of thermodynamics the relationship between change in internal energy, heat…

Q: A sample of bismuth undergoes a temperature change of +77.24 °C while absorbing 754.5 joules of…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: 237-g piece of molybdenum, initially at 100.0 °C, is dropped into 244 g water at 10.0 °C.  When the…

A: According to the law of calorimetry, when two object with different temperature are remain in touch…

Q: A chemical reaction in a bomb calorimeter evolves 5.17 kJ of heat. If the heat capacity of the…

A: Given, the heat evolved, q = 5.17 kJ Heat capacity, c = 1.08 kJ/°C Temperature, ΔT = ? The formula…

Q: A 30.5-g sample of an alloy at 93.0oC is placed into 50.0 g of water at 22.0oC in an insulated…

A: Given that, Mass of alloy, Malloy = 30.5 g = 0.0305 Kg Initial temperature of alloy, Tinitial-alloy…

Q: The correct units for the molar heat capacity are: O a) J/mol/°C O b) J/g Oc) J d) mol/°C

A: Molar heat capacity of a substance is the amount of heat required to rise the temperature of one…

Q: A piece of chromium metal with a mass of 24.55 g is heated in boiling water to 98.3 °C and then…

A: Here we are required to find the specific heat capacity of Chromium

Q: It takes 585 J of energy to raise the temperature of 125.6 g of mercury from 20.0°C to 53.5°C.…

A: Given, Heat energy, q = 585 J Mass, m = 125.6g Change in temperature, ∆T = 53.5- 20 = 33.5°C

Q: A 30.5-g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.08C in an insulated…

A: Given: Mass of the sample= 30.5g= 0.0305 kg Initial temperature= 93°C= 366K Mass of water= 50g=…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 664.0 mg sample…

A: To find the molar heat capacity, we need to use the formula which contains mol, specific heat and ∆T…

Q: A piece of metal of mass 18.0g at 100 degrees Celsius is placed in a calorimeter containing 50.2…

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Q: A sample of 1.04 g NH,NO3 (80.05 g mol-1) decomposes in a bomb calorimeter with a heat capacity of…

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Q: Ethanol weighing 3.56g is burned in a constant-volume bomb calorimeter. Consequently, the…

A: Heat capacity of Bomb calorimeter and water = 8.224 KJ/◦C

Q: mass

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Q: An electric heater supplies energy to a 55.0 g block of Al. The temperature was originally 22.5 °C…

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Q: 7. A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a…

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Q: A 44.0 g sample of an unknown metal at 99.0°C was placed in a constant-pressure calorimeter…

A:

Q: A piece of metal of mass 12 g at 107 ◦C is placed in a calorimeter containing 55.7 g of water at…

A: Given : Mass of water = 55.7 g Mass of metal = 12 g Initial temperature of water = 20 oC Final…

Q: When 1612 J of heat energy is added to 37.9 g of hexane, C,H14, the temperature increases by 18.8…

A: Heat added to any system is given by  Q = mCΔT  where m = mass = 37.9 g C = specific heat capacity…

Q: A lead pellet having a mass of 26.47 g at 89.98 °C was placed in a constant-pressure calorimeter of…

A: Given data: The mass of the lead pellet=26.47 g. The temperature of the lead pellet=89.93°C. The…

Q: 1. Find the change in the internal energy when 175 J of work is done on a system that evolves 50 J…

A: Given:Heat (q) = 50 J        Work (W) = 175 J since, work is done on the system which means energy…

Q: The internal energy of a gas decreases by 1.65kj when it transfers 1.87kj of energy in the form of…

A: Interpretation: The work done on the gas by the surroundings is to be determined. Concept…

Q: Calculate the energy required to heat 134.0 g of graphite from -0.3 °C to 19.0 °C. Assume the…

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Q: It takes 183 J of energy to raise the temperature of 118.4 g of zinc from 23.61°C to 27.58°C.…

A: Given, Heat energy required = 183J. Mass of zinc = 118.4g. Initial temperature = 23.610C. Final…

Q: A piece of titanium metal with a mass of 20.8 g is heated boiling water to 99.5°C and then dropped…

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Q: You have a constant pressure calorimeter filled with 256.328 g of water at 21.3C. A 93.310g piece of…

A: Specific heat represent the amount of heat required to raise the temperature of 1gm of substance by…

Q: A 75.1g piece of an unknown metal is heated up 45.2 degree c when given 2945 j of heat what is the…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 566.0 mg sample…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

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

A:

Q: An electrical heater is used to supply 235.0 J of energy to a 15.0 g sample of water, originally at…

A: Given,15.0 g sample Energy of heater = 235.0 JInitial temperature = 295.0 K

Q: 1 mole of an ideal gas is at 6 atm pressure, occupies 3 L and has an internal energy of 2735.1 J.…

A: Here the system undergoes two different paths.  Path-1 is constant volume process Path-2 is constant…

Q: A 20.0 g block of iron (molar heat capacity 25.1 J/mol･°C) at 36.6 °C is placed into 200.0 g of…

A: Given that : The mass of the block of iron (mi) = 20.0 g The molar heat capacity (Cmi)= 25.1…

Q: According to the First Law of Thermodynamics, a system which absorbs 40 J of heat and produces 20 J…

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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 metal cools from an initial temperature of 150 degrees C to 50 degrees C and releases 190 J of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A system initially at 1.50L changes its volume under an external pressure of 0.988atm while…

A: Given data:

Q: A 44.0 g sample of unknown metal at 99.0°C was placed in a constant-pressure calorimeter, with a…

A: Given : Mass of water = 80.0 g Mass of metal = 44.0 g Initial temperature of water = 24.0 oC Final…

Q: A student has calibrated his/her calorimeter and finds the heat capacity to be 14.8 J/°C. S/he then…

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Q: A 50.75-g sample of water at 75.6°C is added to a sample of water at 24.1°C in a constant-pressure…

A: In accordance with first law of thermodynamics, energy given off by the system would be absorbed by…

Q: In the laboratory a student finds that it takes 139 Joules to increase the temperature of 13.0 grams…

A: Q = mCdT Q = heat energy required m = mass C = specific heat dT = change in temperature