Determine the specific heat of unknown metal when 25g of metal, initially at 80.0 C is added to 100.0mL of water initially at 20.0 C. The final temperature of the mixture is 21.6 C.

Q: In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH), was added to 60.0 mL of 0.620 M HCI.…

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given,The mass of K2SO4 = 9.07 gThe mass of water = 110.50 gInitial temperature of the solution =…

Q: If a reaction receives heat from its environment, that reaction is.. and enthalpy change (AH) i.

A: an endothermic process is any process with an increase in enthalpy of the system in such a process a…

Q: A student is using calorimetry to determine the heat of solution for various salts. When the student…

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Q: Piece of metal with a mass of 48.342 g at an initial temp of 108 C is placed into 50 g of water…

A: Given, mass of metal =48.342 graminitial temperature of metal =108 °Cmass of water =50 graminitial…

Q: A 1.69 gram sample is heated to an initial temperature of 75 oC. The sample is then placed in a…

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Q: A quantity of 400. mL of 0.600M HNO3 is mixed with 400. mL of 0.600M KOH in a constant pressure…

A: The reactions inside calorimeters occur at fixed volume due to which enthalpy change as well as…

Q: A 50.0-mL sample of 0.400 M copper(II) sulfate solution at 23.35oC is mixed with 50.0 mL of 0.600 M…

A: We have 50ml of 0.4M CuSO4 50ml of 0.6M NaOH Ti=initial temperature = 23.35°C Tf=final temperature =…

Q: The temperature of 756 g of water in a calorimeterincreases from 23.2°C to 37.6°C. How much heat…

A: Given: Mass = 756g Initial temperature= 23.2oC Final temperature= 37.6oC To find: The heat given off…

Q: 1). A reaction was performed in a coffee cup calorimeter with an assumed calorimeter constant of…

A: Since you have posted multiple questions, we'll answer the first one. If yo want any other questions…

Q: 5. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put it into 100.0 mL of water…

A: Mass of metal =59.047 g Mass of water = 100g ( density of water is1g/ml)

Q: When a 0.740-g sample of trinitrotoluene (TNT), CH,N,0, Is burned in a bomb calorimeter, the…

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Q: 100.0 g of unknown metal at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature…

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Q: A gaseous fuel mixture contains 23.1% methane (CH,), 43.4% ethane (CHe) and the rest propane (C3H3)…

A: Given: Total volume of fuel mixture = 1.46 L Pressure =745 mmHg = 0.98026 atm Temperature = 298 K %…

Q: Please don't provide handwritten solution .....

A: Heat capacity of the calorimeter=7.505 J/°CExplanation:Step 1: mass of the pure copper m1 =45.90…

Q: determine the enthalpy change per mole of precipitate.

A: The given problem is based on the calculation of enthalpy change of precipitation reaction using…

Q: The heat of neutralization of aqueous hydrochloric acid by sodium hydroxide is −55.84 kJ/mol H2O…

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Q: student followed the procedure in this experiment , using 30.0 mL of 2.11 molar HCL and 31.0 mL of…

A: Heat transfer from higher temperature to low temperature. Q= mc∆T

Q: Consider a substance with a heat of solution (AHon) of -16.7 kJ/mol. 0.00100 mol of this substance…

A: The amount of heat released on dissolution of one mole of the solute in water is equal to 16700 J…

Q: A metal object with a mass of 19 g is heated to 96°C and is transferred to a calorimeter containing…

A: Given data: The mass of metal = 19 g. The temperature of the metal =  96°C. The mass of water = 75…

Q: 2. A piece of a metal with an unknown identity has a mass of 23.8 g. The sample is heated to 125°C…

A: Mass of metal = 23.8 g Temperature = 125 0C mass of water = 50 g Initial temperature = 24 0C Final…

Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

Q: SLVER Massof EMPTY cup 4g Mass of cuptwater 64.0g Mass of waterR 64.0g 4.0g 60g Massof SILVER 260g…

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Q: 25.0 mL of 1.00M HCI at 23.5°C react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

Q: A 3.50-g sample of aluminum pellets (specific heat capacity - 0.89 JC-g) and a 21.50-g sample of…

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Q: A 11.08 gram sample is heated to an initial temperature of 100 oC. The sample is then placed in a…

A: Mass of sample = 11.08 g Initial temperature = 100 ◦C Final temperature = 27 ◦C

Q: In a constant‑pressure calorimeter, 55.0 mL of 0.340 M Ba(OH)2 was added to 55.0 mL of 0.680 HCl.…

A: Heat absorbed in a reaction calculated using the following relation. Q=mC△T Q-Heat absorbed m-Mass…

Q: 50.0 mL of 0.250 M HCl and 50.0 mL of 0.250 M NaOH are combined in a coffee-cup calorimeter. Both…

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Q: 2. A metal sample having a temperature of 100°C and a mass of 45.2 g was placed in 50 g of water…

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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: When the Cacl2(s) is added to water, the following reaction occurs. Cacl,(s) → Ca2"(aq) + 2CI¬(aq)…

A: The specific heat is the amount of thermal energy given to a sample of 1g to increase the…

Q: 2Al(s) + 3Cl2(g) ----à 2AlCl3(s);    H = –1390.81 kJ  How much heat is produced/required when 10.0…

A: Moles of AlCl3 is calculated as,

Q: When 6.30 g sample of solid potassium hydroxide (MM= 56.11g/mol) is dissolved in 101.00 g of water…

A: Given, mass of sample of sodium potassium hydroxide = 6.30 g mass of water = 101.00 g Initial…

Q: Chemistry 14) A 60.0 mL quantity of 0.80 M HCI is mixed with 60.0 mL of 0.80 M KOH in a constant…

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Q: A 1.69 gram sample is heated to an initial temperature of 75 oC. The sample is then placed in a…

A: Mass of sample = 1.69g Mass of water = 542g Initial temperature of water = 20°C Final temperature if…