If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific heat of water is 4.184 J/g·C.

Q: 4. An amount of heat equal to 2500 J is added to a system, and 1800 J of work is done on the system.…

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Q: (a) If 10.6 moles of water at 35°C absorbs 12.30 kJ, what is the final temperature of the water? The…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: density of water = 1.00 g/ mL The enthalpy changes when a strong acid is neutralized by strong base…

A: Given molar enthalpy of neutralization = - 56.1 kJ/mol  The thermochemical equation can be written…

Q: How much would the temperature of 295 g of water increase if 17.4 kJ of heat were added? (the…

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Q: Consider the reaction: CH,OHØ) + 30, )→200,(e) + 3H,O), AH=-1.37 x 10' k When a 21.1-g sample of…

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Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

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Q: Determine the heat capacity of 20.0 g of water. The specific heat of water is 4.184 J/g °C

A: Given  Mass of water m=20g Specific heat capacity S= 4.184 Jg-1 °C-1

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: Consider the equation for the combustion of acetone(C3H6O), the main ingredient in nail polish…

A: Combustion is burning of fuels in the presence of oxygen. It is a highly exothermic reaction and…

Q: If the same amount of heat were added to individual 1.0 g sample of water, methanol, and aluminum,…

A: NOTE: It will be the greatest temperature change in the question and not the energy change because…

Q: Calculate the mass of gold that absorbs 46.3 J of energy when heated from 25 to 74 oC. Specific…

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Q: A system receives 225 J of heat from the surroundings and delivers 428 J of work. What is the change…

A: The first law of thermodynamics states that "energy can neither be created nor destroyed , but can…

Q: For a process,AE =+148 kJ and the system does 34 kJ of work on the surroundings. This means that...…

A: Given : ∆Esys = +148 kJ Work on he surroundings = 34 kJ

Q: 4. How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a spoon…

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Q: How many kilojoules of heat are released when 38.2 g of CH4 (g) reacts completely with O2 (g) to…

A: mass of CH4 = 38.2 g Chemical reaction - 2CH3OH → 2CH4 + O2                H = +252.8 kJ

Q: How many grams of C̟H, liquid must decompose according to the following chemical equation to…

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Q: A gas does 135 J of work while expanding and, at the same time, absorbs 156 J of heat. What is its…

A: Given :-  heat absorbed by system = 156 J  work done by gas = 135 J To calculate :- ∆U(in J)

Q: How much heat (q) is needed to increased the temperature of 10 grams of water by 15°C? Water…

A: Given: The heat capacity of water, (C) = 4.184 J/g°C The mass of water, (m) = 10 g. The change in…

Q: A system receives 825 J of heat and delivers 825 J of work to its surroundings. What is the change…

A: Given:Heat received by system, dQ = 825Jwork done by system, dW=825Jchange in internal energy, dU…

Q: 2. What is the heat capacity of 25.0 g of ethyl alcohol if its specific heat is 2.42 J/g C?

A: Given is 25.0 g ethyl alcohol  Heat capacity  = Hc = 2.42 J/g°C Specific heat = ?

Q: The specific heat of water is 4.18 J (g x Celcius). Calculate the molar heat capacity of water.

A: Specific heat of water is 4.18 J / g 0C. That means amounts of heat required by 1 mol of water to…

Q: A sample of tin experiences a cemperature change of +60.8 PC while absorbing 672.1 joules of heat.…

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

Q: How much heat (in kJ) is required to raise the temperature of a 525.0 mL sample of water from 22.1 C…

A: The heat required to raise the temperature is directly proportional to the mass of sample and the…

Q: A piece of a metal of a mass 4.68g absorbs 256J of heat when its temperature increases by 182C. What…

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Q: How much would the temperature of a 61.9 gram sample of grain alcohol increase if it absorbs 305…

A: Given the mass of alcohol is 6.19 grams heat energy Q=305 Joules Suppose the alcohol is ethanol ( As…

Q: 3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is…

A: Given: (3) work done by gas=135J Absorbed heat=156J To find: change in internal energy of the…

Q: What is the heat capacity of 265 grams of water? The specific heat of water is 4.184 J/g °C.

A: • The values provided in the question are:-  i) Mass of water, m = 265 g  ii) Specific heat capacity…

Q: When 13.99mL of HCl of unknown concentration (but less than that of the base) are reacted with…

A: Given : Concentration of NaOH = 3.172 M Volume of NaOH solution = 15.00 mL = 0.0150 L…

Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: The specific heat capacity of copper metal is 0.385 J/g · K. How much energy is required to heat 205…

A: The energy required to heat a solid metal is given by  Q = mCΔT  where m = mass of metal  C =…

Q: Calculate the temperature change when 7.52J of heat is released in a calorimeter having a heat…

A: Given,  Heat released = q = 7.52 J  Heat capacity of calorimeter = C = 470 J/°C  Temperature change…

Q: Under what conditions does the enthalpy change equal the heat of a process

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Q: Question attached

A: Answer: Given: Volume of water = 40.0 mL Heat capacity of calorimeter = 650 J/oC Density of water =…

Q: When 1.75 g of CaCl2 dissolves in 125 g of water in a coffee-cup calorimeter, the temperature…

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Q: With this information and the specific heat of water, 4.184 J/(g·°C), calculate the specific heat,…

A: Given,  The specific heat of gold metal,  when 38.600 g Au metal at 65.17 °C added to 60.00 g of…

Q: Calculate the specific heat of gold that absorbs 12.6 J of energy when heated from 35 to 60 oC and…

A: Given, heated from initial temperature, T1 = 35 oC to Final temperature, T2= 60 oC Mass,m = 3.92 g…

Q: Calculate the change in energy for the following processes and identify if the process is…

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Q: What is the internal energy of the system that absorbs 90 J of heat and 15 J work done by the…

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Q: How much heat (kJ) is released by a 200-gram piece of silver as it cools from 1023°C to 300°C?

A: Given :-  Mass of piece of silver (m) = 200 g  Initial temperature (T1) = 1023°C  Final temperature…

Q: A 25.0 g mold made of an alloy absorbed 250 J of heat as its temperature changed from 25 °C to 78…

A: Given information is as follows; Mass (m) of gold = 25.0 g      Heat absorbed (q) = + 250 J Initial…

Q: What is the resulting temperature in celsius when 35 g of water at 75 degrees celsius is mixed with…

A: Given, 35 g of water at 75 degrees celsius is mixed with 15 g of waterat 15 degrees celsius.The…

Q: 2. Carbon tetrachloride can be formed by reacting chlorine with methane: CH4 + 2 Cl2 → CCL4 + 2 H2…

A: CH4 + 2Cl2-----> CCl4 +2H2 ∆Hof (CH4) = -75 kJ/mol ∆Hof (CCl4 ) = -135 kJ/mol

Q: The specific heat of aluminum is 0.900 J/gk. What is the molar heat capacity of aluminum?

A: Specific heat capacity is related to molar heat capacity via the formula shown below.

Q: The specific heat of aluminum is 0.900 J/g°C. What is the heat capacity of 26 g aluminum?

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Q: Calculate the temperature change when 5.76J of heat is released in a calorimeter having a heat…

A: Heat release= heat capacity* rise in temperature

Q: How much heat would have to be absorbed by 2000 g of water to change its temperature from 20°C to…

A: NOTE : The units of specific heat of water given is incorrect with the value. It will be 4.2 J/g.°C…

Q: A metal radiator is made from 26.0 kg of iron. The specific heat of iron is 0.449 J g-1 °C-!. How…

A: Given :  Mass of iron = 26.0 kg  Specific heat = 0.449 J.g-1.°C-1  Initial temperature = 25.0°C…

Q: 4. Determine the final temperature of water if 9.2 kJ of heat is added to 250 mL of 17°C water (the…

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Q: If the same amount of heat is supplied to 10.0 g each of aluminum, iron, and copper (all at 15…

A: We have to find which metal will reach the highest temperature: Given: Mass of all the three…

Q: If 91 J of heat is added to a pure gold coin with a mass of 15 g , what is the temperature change?…

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