Practice: A 30.0 g chunk of aluminum initially at 98 1S added to a coffee cup containing 150. g of water. The system comes to thermal equilibrium at 37.0 °C. Assuming no heat is lost to the environment, what was the initial temperature of the water? Cs(water) = 4.18 J/g-K; C(Al) = 0.897 J/g-K.

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 81.2 °C is placed into 500.0 g of…

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Q: A sample of metal weighing 9.323 g was heated to 99.15 °C. It was then placed in a calorimeter…

A: Given data, The mass of water = 35.5 g The mass of metal = 9.323 g The initial temperature of  H2O =…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g-°C) at 88.0 °C is placed into 500.0 g of…

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Q: A quantity of 505 J of heat are added to 11.3 g of water at 28.3 °C. What is the final temperature…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: Methanol, CH3OH, boils at 65°C. What is the enthalpy change during the process in which 16.0 g of…

A: Mass of liquid methanol    = 16 g specific heat of methanol  = 2.53Jg oC

Q: A 10. g block of metal is heated to 105.00 °C and then dropped into 25 g of water. The water…

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Q: 3. ) Ethylene glycol, used as a coolant in automotive engines, has a specific heat capacity of 2.42…

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Q: 7) When 0.180 mole of sodium nitrate, NaNO, was dissolved in water in a constant-pressure…

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Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

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Q: Q.4. In a calorimetry experiment, a 0.550 g piece of aluminum (specific heat capacity=0.897 J/g K)…

A: Thus, the heat released or absorbed is calculated using the following equation, = m×s×∆T   m = mass…

Q: During an experiment, a student adds 1.23 g CaO to 200.0 mL of 0.500 M HCI. The student observes a…

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

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Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: When 10.6 g NaOH dissolves in 232 g of water in a coffee-cup calorimeter, ΔH = −42.6 kJ/mol. The…

A: To calculate the final temperature of a solution of sodium chloride in water.

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 42.4 °C is placed into 500.0 g of…

A: Given, For copper block: Mass of the copper block (mCu) = 25.0 g Specific heat capacity of copper…

Q: A 69.5 g piece of iron at 525°C is put into 627 grams of water at 15.0°C. What is the final…

A: Given  Mass of iron = 69.5 g Mass of water = 627 g Initial temperature of iron = 525°C Initial…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 49.2 °C is placed into 500.0 g of…

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Q: How much energy is required to change the temperature of 1.50 L of water from 25.0 °C to 100.0 °C?…

A: Given : volume of water = 1.5 L = 1500 mL                                                  ( since 1…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 44.6 °C is placed into 500.0 g of…

A: We have to calculate the change in temperature for metal block.

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g °C) at 34.0 °C is placed into 500.0 g of…

A: We have to calculate the change in temperature for metal block.

Q: metal X =48.1g; specific heat capacity =0.228 J/C If metal X is heated to 95.1C and put into a…

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Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.The balanced equation will be:

Q: 4. A 50.0 mL sample of a 1.00 M solution of CuSO, is mixed with 50.0 mL of 2.00 M KOH in a…

A: Given: Concentration of Copper sulfate= 1.00M Volume of Copper sulfate= 50 mL Volume of KOH= 50mL…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g °C) at 99.4 °C is placed into 500.0 g of…

A: Q = m . s . ΔT Where, Q = heat absorbed or evolved; m = mass of substance; s = specific heat of…

Q: piece of metal weighing 45.0 g was heated to 95.0oC, and the hot metal was added to 50.0 g of cold…

A: We know that the heat lost by the metal will be equal with the heat gained by the water.  Thus…

Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The required equation is given below.

Q: Calculate the mass of water (H,O, CHO = 4.181 J g-l °C-) at 20.0°C that would be requireć to cool a…

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Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.

Q: When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it…

A: Given data,Mass of Zn=6.54gMolarity of CuSO4=1.00MVolume of CuSO4=500mL=0.5LTemperature…

Q: metal X =51.0g; specific heat capacity =0.44 J/C If metal X is heated to 86C and put into a…

A: Information of question

Q: [11] A 10.00 g sample of a metal alloy was heated to 88.99 °C. It is then quickly dropped into 40.0…

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Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

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Q: During an experiment, a student adds 0.339 g of calcium metal to 100.0 mL of 2.05 M HCI. The student…

A: Given data,Mass of Ca=0.339gMolarity of HCl=2.05MVolume of HCl=100mL=0.1LVolume of…

Q: THERMODYNAMICS: A 1.96 g sample of acetic acid (HC;H3O2) was burned in excess oxygen in a bomb…

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Q: A 47.70 mL volume of 1.00 M HCl was mixed with 47.30 mL of 2.00 M NaOH in a coffee cup calorimeter…

A: The specific heat capacity of a given substance can be defined as the amount of heat which is needed…