You are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup calorimeter that contains 98.4 g of water at 25.05 C. The final temperature of the water in the coffee cup is 28.89 C. Calculate the heat (q), in J, gained by the water using the equation, , given cwater= 4.184 J/g°C Do not include units. If you need to express your answer as an exponential number, use this template: 1445 should be typed as 1.445e+003

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Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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Q: A 20.8 g piece of metal has a specific heat of 0.52 J/g°C. It was heated to 9.5°C then placed inside…

A: Formula used :  -q(lost) = q(gained) If no heat is lost to the surrounding.

Q: How much heat is required to raise the temperature of a sample of copper from 0°C to 55° C, if the…

A: Given that : Mass (m) = 67 g Change in temperature ∆T = 55°C - 0°C = 55°C Specific heat of copper…

Q: How much heat must be applied to a 40.2g sample of gold (s=0.129 J(g∙℃)) in order to raise its…

A: Given information:Mass of gold = 40.2 gInitial temperature = 28.2 ˚CFinal temperature = 351.5…

Q: A 70.0-g piece of copper metal at 54.0 °C is placed in 50.0 g ofwater at 26.0 °C. If the final…

A: By law of conservation of energy : Heat released by copper = heat absorbed by water m1s1∆T1 =…

Q: if 624J of heat is added to 30.2g of water at 24.3°c, what will the final temperature of the water…

A: The amount of heat added is = 624 J The initial temperature of the water is = 24.3oC The mass of…

Q: When 129.0 g of 0.200 M NaCl(aq) at 22.0 °C is added to 212.0 g of 0.100 M AgNO3(aq) at 22.0 °C in a…

A: Answer is explained below.  Given that, mass of NaCl = 129.0 g and mass of AgNO3 = 212.0 g.  Due to…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The total energy required to charge a cell phone is equal to the energy a cell phone battery needs…

Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

A: The change in temperature of the lead ball can be calculated by equation (1). where q is the heat…

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Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: he specific heat of copper is 390 J/kg oC, the change in temperature is 40oC. If the copper absorbs…

A: From given data Specific heat c = 390 J/kg°C  Change in temperature ∆T = 40°C  Heat absorbs Q = 40 J…

Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: If 200g of water at 20°C absorb41840 J of energy, what will the final temperature be? The specific…

A: Given: Mass of water=200 g Temperature change, ∆T=(T-20.0)°C Heat absorbed, q =41840 J Specific…

Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.6850 mol H2S burns…

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Q: Determine the total heat evolved in Joules in a solution of 19 mL of NAOH and 19 mL of HCI…

A: Given, Volume of NaOH = 19 mL Volume of HCl = 19 mL Initial temperature, Ti=26.8°C Final…

Q: A gas expands and does work on the surroundings equal to 0.21 L atm. At the same time, it absorbs…

A: The question is based on the concept of chemical thermodynamics. We have  to calculate internal…

Q: If a system does 73.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

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Q: Given that 154.81 g of solution increased in temperature by 4.82 °C, how much heat, in J, was gained…

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Q: The delat H for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol.…

A: Given: Mass of water = 250.0 g. Mass of NaOH dissolved = 10.1 g. Initial temperature of the solution…

Q: en the thermochemical equation : O2(g) + O₂(g) Ⓡ2SO3(g), DH rxn= -198 kJ/mol, w much heat is evolved…

A: Given: 2SO2(g)+O2(g)→2SO3(g)   ∆Horxn=-198 kJ/mol Mass of SO2 is 600 g To find: Heat evolved

Q: The temperature inside a sauna is 85.0°C. If 235.0g of solft drink straight from refrigerator…

A: 1- First we need to determine the change in temperature ( ∆T ) and mass in kg unit :  mass = 235.0g…

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A: A definite quantity of heat is used up in raising temperature of substances. For substance that…

Q: If we add 30.0 J of heat to 10.0 grams of aluminum, by how much will its temperature increase? The…

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Q: Determine the total heat evolved in Joules in a solution of 20 mL of NaOH and 19 mL of HCI…

A: Given: Volume of NaOH solution added = 20 mL  Volume of HCl solution added = 19 mL Initial…

Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

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Q: what is the mass in grams of iron

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Q: A gas sample does 214 J of work upon expanding and the cools, losing 34 J of heat. What is the total…

A: The first law of thermodynamics is given asΔU=Q−W, Δ U = Q − W , whereΔU is the change in internal…

Q: A 90.0 g piece of metal, initially at 98.6°C, is placed into 120.0 g of water initially at 24.3°C.…

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

A: Given : Mass of sample = 764.1 g Initial temperature = 41.23oC  Final temperature =20.82oC.

Q: An unknown hot metal at 122.41°C with a mass of 53.37g was mixed with 28.15g of water at an initial…

A: We have to calculate the  specific heat of the unknown metal.

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Q: 12. A ring with a mass of 25.5 g appears to be pure silver. Rather than test for density, you can…

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Q: 1.What is the specific heat of a metal whose mass is 94.5 g if the temperature changes from 250° to…

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Q: 2. A solid substance has a mass of 250 grams. It is cooled by 25.00°C and loses 4.937 kJ of heat.…

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Q: A piece of copper alloy with a mass of 85.0g is heated from 30.0°C to 45.0°C. In the process, it…

A: To solve this problem we will use the formula   Q = m • C • ∆T   Where,  Q = heat absorbed  m = mass…

Q: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

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Q: A total of 54.0 Joules of heat are observed as 58.3g of lead is heated from 12.0°C to 42.0°C. From…

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Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns…

A: Given :-  H2S (g) + O2 (g) → SO2 (g) + H2O (g)  ∆H = -187.5 kJ  To calculate :-  Given heat into…

Q: A heat pump is an electrical device that heats a building by pumping heat in from the cold outside.…

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Q: A heat pump is an electrical device that heats a building by pumping heat in from the cold outside.…

A: A heat pump is a device that transports heat from source to a thermal reservoir. It transfers heat…