The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the reaction of 10.0 g of Naz02 with water is kJ. 2Na202 (s) + 2H2O (1) → 4NaOH (s) + O2 (g) O 8.08 O 67.5 O 16.2 32.3 O -126

Q: Determine the molar enthalpy of reaction, ∆rHm? (kJ/mol) for the decomposition of NOCl 2 NOCl(g) −−→…

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Q: I. Calculate total work done (in Joules) when 50 g of iron is dissolved in HCl in an open beaker at…

A: Write the ideal gas equation. PV =nRT where P is the pressure, V is the volume, n is the number of…

Q: 1. Consider the following reaction, which occurs at standard state: 2C1(g) C12(g) AH° = –243.4 kJ a.…

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Q: When a 45.0 g sample of an alloy at 100.0oC is dropped into 100.0 grams of water at 25.0oC, the…

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Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: Given :  Mass of brass(mb) = 1 Kg = 1000 gm  Mass of granite(mg) = 500 gm  Initial temperature (T1)…

Q: A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of…

A: Given: Mass of NaOH = 10.0 g Concentration of NaOH=0.0500 M Mass of HCl = 10.0 g Concentration of…

Q: Given the standard enthalpy changes for the following two reactions: (1) N2(g) +…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: We know that, the heat absorbed  or released is given by : Q = m × C × (T 2 - T 1) Where Q = heat…

Q: N2 (g) + O2 (g) 2 NO (g) AH°rxn = +197 kJ %3D NO2 (g) → NO (g) + 1/2 O2 (g) AH°rxn = +89.2 kJ What…

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Q: Nitric acid, HNO3, can be prepared by the following sequence of reactions:4NH3(g) + 5O2(g) ⟶ 4NO(g)…

A: Here we have a multi-step reaction:

Q: The value of AH for the reaction below is +128.1 kl: CH;OH () CO (g) + 2 H2(g) [1. How many kJ of…

A: Total energy needed for completion of reaction is defined as enthalpy of reaction.

Q: Consider the following reactions: (1) N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ (2) 2NO(g)+ O2(g)…

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Q: If the same amount of heat is added to 5.00 g samples of each of the metals below, which metal will…

A: GIVEN DATA:- mass of samples = 5.00 g each                    & amount of heat provided to each…

Q: The enthalpy of reaction for the combustion of C to CO2 can occur in two steps. (1) C(s) + O2(g) –…

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Q: Using the thermodynamic tables find the enthalpy of reaction for the reaction       B2H6 (g)   +   6…

A: Given reaction is : B2H6(g) +6F2(g)→2BF3(g)+6HF

Q: How many grams of C6H6 must decompose accorsing to the equation to transfer 430 Kj of heat?…

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Q: For the reaction Mg²+ + Cu (s) Mg (s) + Cu²“, K = 10ʻ9² and ASº = +18 J/(K-mol). 2. %3D Under…

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Q: The following questions refer to the reaction below. N2(g) + O2(g) - 2 NO(g) AH° = 181.8 kJ 1. This…

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Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

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Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Given reaction is : 2Na2O2 (s) + 2H2O (l) → 4NaOH (s) + O2 (g) Standard change in enthalpy of the…

Q: (1) N2(g) + O2(g)2NO(g)...... ΔH° = 181.8 kJ (2) N2(g) + 2O2(g)N2O4(g)......ΔH° = 9.2 kJ what is…

A: The enthalpy change of the system is a state function. The change in enthalpy does not depends on…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: Net reaction will be  2 N2 + 6 H2 + 5 O2  ==  4 NO + 6 H2O  which can be formed by adding 2nd…

Q: How much heat is produced by combustion of 25.0 g of ethanol under standard state conditions?…

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Q: 12. The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: As per guidelines first question is allowed if multiple questions posted , please repost seperately…

Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: Q = ms∆T here  Q = heat transfer  m= mass  s = specific heat ∆T = temperature difference

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: What is the quantity of heat energy is required to decompose 46.6 g of liquid water into hydrogen…

A: Number of moles of water is determined as follows,

Q: 10.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: density is defined as the mass of an object upon the volume of spaced occupied density d = mass of…

Q: Consider the following equations. 2Al (s) + 32O2 (g) → Al2O3 (s)    ΔHƟ = −1670 kJ Mn (s) + O2 (g)…

A: Hess’s Law of constant heat summation states that the total enthalpy change for a multistep reaction…

Q: a. CHĄ(g) + 2H20(g) – cO2(g) + 4H2(g) b. CO2(g) + 3H2(g) – CH3OH(g) + H20(g) c. 2H,S(g) + 302(g) –…

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Q: 1. The phase change between graphite and diamond is difficult to observe directly. Both substances…

A: According to Hess's law, the standard enthalpy change for a reaction is the sum of the standard…

Q: Using the thermodynamic tables find the enthalpy of reaction for the reaction       B2H6 (g)   +   6…

A: Calculation given as follows

Q: In a constant‑pressure calorimeter, 65.0 mL65.0 mL of 0.330 M Ba(OH)20.330 M Ba(OH)2 was added to…

A: First determine the moles of HCl and Ba(OH)2. HCl moles =0.660M×65.0×10-3L=0.0429 molBa(OH)2 moles…

Q: Hydrogen peroxide can decompose to water and oxygen by the reaction: 2 H2O2(l) →2 H2O(l) + O2(g) ∆H…

A: GIVEN: Reaction: 2 H2O2(l) →2 H2O(l) + O2(g) Amount of heat released by the decomposition of H2O2 ∆H…

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: Given the following reactions N2 13 + O2 (g) → 2 NO 13) AHn = +178 kJ NO2 g NO g + 1/2 02 (g) AHren=…

A: From given two chemical equation we have to calculate the enthalpy change for the reaction : 4 NO…

Q: Part of the industrial recovery of elemental zinc from the zinc sulfide ore is by roasting: ZnS) +…

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Q: How much heat is required to raise the temperature of 1.00 kg of water from 25oC to 50oC?  (The…

A: Q = m . s . (T2 - T1) Q = ? m = 1.00 kg = 1000 g s = 4.184 J/g · oC T2 = 50 oC T1 = 25 oC

Q: 3. The AH for N2 + O2 →2 NO is 181 kJ. What is the AH for this reaction? NO 1/2 N2 + 1/2 O2

A: Given information: N2+O2→2NO           ∆H=181 kJ               equation-1

Q: A 12.65-g block of solid titanium at 14.63 °C is immersed in a 24.49-g pool of liquid propylene…

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Q: Carbon disulfide can be prepared from coke (an impure form of carbon) and elemental sulfur.…

A: we are given the following reaction; 4C(s)+S8(s)⟶4CS2(l)                     ΔH=+358.8 kJ

Q: The standard heat of reaction for the decomposition of ZnO(s) is ΔH = 348 kJ/mol. What does this…

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Q: Calculate the quantity of heat required to increase the temperature of 1.0 kg brass statue standing…

A: The heat required can be calculated by using general formula , Q = mC (Tf - Ti) Here, Q = Heat…

Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

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Q: A piece of metal weighing 5.10 g at a temperature of 48.6 c was placed in a calorimeter in 20.00 ml…

A: On assuming the calorimeter itself absorbs no heat – = (4.184 J/g·°C) x (20.00 g) x (29.2 - 22.1) °C…

Q: 8.96 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: (a) The preparation of NO,(g) from N2(g) and O2(g) is an endothermic reaction: N2(8) + O2(g) –→…

A: Given, N2(g)+O2(g)→NO2(g)    ΔH=67.7kJN2(g)   =    2.50×102mLO2(g)  =  4.50×102mLTemperature = 100∘C…

Q: Part A. In the late eighteenth century Priestley prepared ammonia by reacting HNO3(g) with hydrogen…

A: HNO3(g) + 4H2(g) → NH3(g) + 3H2O(g) ΔH = –637 kJ From this data we get that , When 4 mole Hydrogen…

Q: Calculate the standard heat of formation of calcium carbide, CaC2(s), in kJ/mol, using the following…

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Q: 4.00g of NaOH (40.0g/mol) is dissolved in 100.00g of distilled water. The temperature of the water…

A: Working formula Q = m*S* (change in temperature) The enthalpy change of the reaction (Heat released/…