NH4Cl + CaSO4 → (NH4)2SO4 + CaCl2 Δ Hf NH4Cl = -311.730 Δ Hf CaSO4 = -1434.5 kJ/mol Δ Hf (NH4)2SO4 = -1180,9 kJ/mol Δ Hf CaCl2 = -795.4 kJ/mol What us What is the ΔH°f of the the reactant? What us What is the ΔH°f of the the product? What is the ΔH°rxn of this given reaction? Round your answers in 2 decimal places no need to write the unit

Q: When 2.00 grams of solid sodium hydroxide dissolves in 100.0 ml of water in a coffee-cup…

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Q: Given the following enthalpy values:                                                       Delta-Ho…

A: Delta-Ho (kJ)…

Q: When NaOH is neutralized by HCl as shown: NaOH (aq) + HCl (aq)  H2O (l) + NaCl (aq) ΔH = - 56.13…

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Q: 42.  When 100g of Cu (specific heat =0.09cal/(g oC) gains 90 calories of heat, its temperature ____…

A: given mass = 100 g Specific heat (C) = 0.09 cal/g°C heat = 90 cal

Q: Write the formation equation for NaCl(g) that goes with this value of ΔH°.

A:

Q: Given the following equations and H values, determine the ΔH for the reaction:…

A:

Q: The specific heat of octane, C8H181l2, is 2.22 J>g@K. (a) Howmany J of heat are needed to raise…

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Q: 1. Calculate the enthalpy of the following chemical reaction: a) CS₂ + 30₂ → CO₂ + 2S0₂ -> Given:…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: A 100.0-g sample of cold water at 20.0oC is added to a warm water of unknown mass at 65.0oC. If the…

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Q: The overall reaction in a commercial heat pack can be represented as 4 Fe(s) + 302(g) → 2 Fe,O,(s)…

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A:

Q: Hydrogen peroxide decomposes according to the following reaction: H2O2(l) → H2O(l) + 1/2O2(g)…

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Q: 38.When 36.92 grams of fictional compound X is added to water to make 297.9 grams of solution, the…

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Q: Calculate ΔHrxn for the following reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g)   given these…

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Q: Calculate ΔHrxnΔHrxn for the following reaction:   CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) given these…

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Q: 4. Find the standard molar enthalpy for the reaction C(s) + % O2(g) – CO(g) C(s) + 02(g) – cOo2(g)…

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Q: Use the information provided to determine AH°rxn for the following reaction: AH°f (kJ/mol) CH4(3) +…

A:

Q: Q5: Consider the following general reaction 2A 2C Calculate AH for the reaction A → C. B B ΔΗ = +30…

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Q: The value of ΔH° for the reaction below is -72 kJ. Therefore, ________ kJ of heat are released when…

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Q: Question9

A: Given: ΔHo of the reaction = -336 KJ Mass of HCl = 23.0 g Molar mass of HCl = 36.46 g/mol   Chemical…

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Q: What is the energy change (in kJ) when 0.487 kilograms of diethyl ether (C4H10O) is condensed from a…

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Q: The value of ΔH° for the reaction below is -126 kJ. How much heat (in kJ) is released when 2.00 mol…

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Q: A metal sample weighing 56.7 g at temperature of 98.0°C was placed in 50.0 g of water in a…

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Q: Question 7

A: The reaction is given as follows:

Q: For the reaction  SOCl2 + H2O --- 2HCL + SO2        H=482 KJ What mass of HCl is produced when 2250…

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Q: The value of ΔHo for the following reaction is -72 kJ. How many kJ of heat will be evolved when 4.0…

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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…

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Q: 10. Calculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g), given: a. N2 (g) + 3 H2…

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Q: Use the information provided to determine AH°rxn for the following reaction: CHĄ(g) + 4 Cl2(g) →…

A:

Q: Consider the following thermochemical data: Cl2(g) → 2Cl(g) ΔH° = 242.3 kJ I2(g) → 2l(g) ΔH° =…

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Q: The vaporization of Br2 from the liquid to the gas state equires 7.4 kcal/mol (31.0 kJ/mol). a) What…

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Q: the reaction below is -72 kJ. Therefore, ________ kJ of heat are released when 5.0 mol of HBrHBr is…

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