When a 6.00 g6.00 g sample of KSCNKSCN is dissolved in water in a calorimeter that has a total heat capacity of 3.18 kJ⋅K−1,3.18 kJ⋅K−1, the temperature decreases by 0.470 K.0.470 K. Calculate the molar heat of solution of KSCN.

Q: Suppose that the reaction of 2.172 moles consumes 3.21 kJ of heat. What is the molar enthalpy of the…

A: The answer to the following question is :

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Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

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Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

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Q: Suppose that the reaction of 1.326 moles consumes 25.27 kJ of heat. What is the molar enthalpy of…

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Q: When a 5.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 2.00 g2.00 g sample of RbBrRbBr is dissolved in water in a calorimeter that has a total heat…

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Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

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Q: The standard enthalpy change for the following reaction is 270 kJ at 298 K. 2 HNO3(g) N2(g) + H2(g)…

A: Heat of formation of HNO3 = -135KJ/mol

Q: A sample of 17.1 g of solid with molar mass 71.9 g/mol is dissolved in 331 g of water initially at…

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Q: When a 4.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 7.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 4.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 3.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 20.9 g…

A: Given data : Molar mass of KNO3 (MK)= 101.1 g/mol Mass of KNO3 (mK) = 20.9 g Mass of water (mw) =…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 34.4 g…

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Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 19.3 g…

A: In the given solvation process the temperature of the water is decreased. Hence the solvation…

Q: when a 6.00 g sample of KBr is dissolved in water in calorimeter that has a total heat capacity of…

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Q: For a process, 153 J of heat was released by the system and 267 Jof work was done on the system.…

A:

Q: The

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Q: Dissolving 3.0g of CaCl2 in 150.0g of water in a calorimeter at 22.4oC causes the temperature to…

A: Given,  Mass of CaCl2 = 3 g  Molar mass of CaCl2 = 110.98 g/mol Mass of Water, m = 150 g  Initial…

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Q: Which of the following are state functions? (i) energy, (ii) work, (iii) enthalpy, (iv) heat, (v)…

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Q: Why were we not able to simply use the specific heat capacity of water, 4.184 J/g°C?

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Q: What is the change in the internal energy of the system if 69 kJ of heat energy is evolved by the…

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Q: is this the standard enthalpy change, enthalpy change, enthalpy of solution, or the standard molar…

A: Given reaction:-  CH3OCH3(l) + 3O2(g) ------> 2CO2(g) +3H2O(l) The above reaction is the…

Q: 75.0 mL of 1.75 M HCl and 125.0 mL of 1.50 M NaOH are combined in a constant-pressure calorimeter.…

A:

Q: Use Hess’ law to calculate the heat (kJ) of reaction, qrxn (kJ) when 12 g of solid calcium chloride,…

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Q: A piece of metal weighing 5.10 g at temperature of 48.6oC was placed in calorimeter in 20.00 mL of…

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Q: What is the enthalpy of this reaction?

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Q: A system absorbs 1.66E2 kJ of heat and the surroundings do 1.032E2 kJ of work on the system. What is…

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Q: When 4 grams of a certain compound is dissolved in 61 grams of water in a calorimeter, the…

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Q: If a reaction causes 25.0 g of water to decrease temperature by 14.24 oC at constant pressure, what…

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Q: When 2.045 g of NH4NO3 (molar mass is 80.05 g/mL) is added to 100.0 mL of water at 25.09C, the final…

A: Reference: Self Introduction: Amount of heat energy that is released or absorbed when a solution is…

Q: The standard enthalpy change for the following reaction is -92.2 kJ at 298 K. N2(g) + 3 H2(g)→2…

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Q: When 15.8 g KBr(s) dissolves in 119.7 g of water at 24.2°C, the final temperature of the solution…

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Q: Heat released by the reaction, qrxn (J) Use the equation qrxn = –msoln×Csoln× ΔTsoln. Assume the…

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Q: Suppose that the reaction of 2.857 moles consumes 2.45 kJ of heat. What is the molar enthalpy of the…

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Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 48.7 g…

A:

Q: Using the provided table, determine the enthalpy for the reaction 2 K(s) + 2 H,O(1) → 2 KOH (aq)…

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