Ammonium sulfate, (NH,),SO4, is used as a fire retardant and wood preservative; it is prepared industrially by the highly exothermic reaction of gaseous ammonia with sulfuric acid: 2 NH, (g)+ H,SO,(aq)→ (NH,),SO, (s) The value of AH°, is -179.4 kJ/g H, SO,. Use the data in Table TI to calculate the standard enthalpy of formation of rxn ammonium sulfate (in kilojoules per mole).

Q: When 0.865 g sample of cyclohexane (molar mass = 84.16 g/mol) is burned in a bomb calorimeter, the…

A: The reaction of the combustion of cyclohexane is: C6H12(l)+9O2(g)→6CO2(g)+6H2O(l) Calculation of ∆H˚…

Q: In a constant-pressure calorimeter, 50.0 mL of 0.350 M Ba(OH), was added to 50.0 ml. of 0.700 M HCI.…

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Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 36…

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Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a…

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Q: In a constant-pressure calorimeter, 60.0 mL of 0.320 M Ba(OH), was added to 60.0 mL of 0.640 M HCI.…

A: In the given reaction both reactants are present in equal moles. Calculate the moles of water,

Q: 84. The standard enthalpy of combustion of ethene gas, C,H4(g), is - 1411.1 kJ/mol at 298 K. Given…

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Q: The molar mass of enthalpy of combustion of glucose, C6H12O6 is -2803 kJ. A mass of 1.00 g glucose…

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Q: When 50 mL of 0.400 M aqueous hydrochloric acid (HC1; Molar mass: 36.5 g'mol) is mixed with 50 mL of…

A: Given : Concentration of NaOH = 0.400 M Concentration of HCl = 0.400 M Volume of NaOH solution =…

Q: How is part e completed?

A: The dissolved number of moles of NaNO3 is 0.0118 mol. The magnitude of enthalpy of solution (ΔHsoln)…

Q: The standard heat of combustion of gaseous cyclopentane, C5H10(g), was measured to be −3319.5…

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Q: A piston performs work of 217 L atm on the surroundings, while the cylinder in which it p,aces…

A: Record the given data,   Work done w = 217 L atm   Piston expands from 8L to 24 L.

Q: What is the enthalpy of reaction, ΔH, for the formation of tungsten carbide, WC, from itselements? W…

A: The required equation is given below. W(s) + C (graphite) → WC (s)

Q: 5.138 Metabolic activity in the human body releasesapproximately 1.0 × 104 kJ of heat per day.…

A: Given data: Mass of the body = 55kg Heat released by human body = 1.0×104 Heat of vaporization of…

Q: 1. Methanol is an organic solvent and is also used as a fuel in some automobile engines, From the…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: When 50.00 mL of aqueous HCI was mixed with 50.00 mL of NaOH (in large excess), the temperature of…

A: Given : Volume of HCl solution added = 50.0 mL Volume of NaOH solution added = 50.0 mL Initial…

Q: . The molar enthalpy of combustion of natural gas is 802 kJ/mol. Assuming 100% efficiency and…

A: By energy conservation: Heat released by methane = heat absorbed by water Heat absorbed by water =…

Q: An air conditioner (AC) is a cooling device in which the inside of the house can act as the cold…

A: Work = power x time  = (1.7 x 103 W) x (24 hour) =(1.7 x 103 W) x (24x60x60 seconds) = 1.47 x 108 J…

Q: A reaction occurs according to the following balanced chemical equation: AaBbs + 5 Cc → Áa + 5 BbCc.…

A: Answer: Limiting reagent is the substance that exhausted first in the reaction and decide the yield…

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: 17. Acetic acid, CH,CO,H, is made industrially by the reaction of methanol and carbon monoxide.…

A: To solve thia problem first we have to calculate the number of mole ascetic acid formed . Then…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 36.9 g…

A: Given: Mass of KNO3= 36.9 g Mass of water= 283 g The temperature of water = 23.00 oC The final…

Q: In the early days of automobiles, illumination at night was provided by burning acetylene, C2H2.…

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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 0.865 g sample of cyclohexane (molar mass = 84.16 g/mol) is burned in a bomb calorimeter, the…

A: The given mass of cyclohexane = 0.865 g Molar mass of cyclohexane = 84.16 g/mol The number of moles…

Q: In a constant-pressure calorimeter, 65.0 ml. of 0,860 M H, SO, was added to 65.0 ml. of 0.420M NAOH.…

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Q: The contents of the closed box in each of the following illustrationsrepresent a system, and the…

A: The points should be kept in mind while solving this problem, Heat absorbed by the system is called…

Q: When 5.03 of solid potassium hydroxide are dissolved in 100.0 mL of distilled water in a coffee-cup…

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Q: In a bomb calorimeter, 6.251 g of propane gas was ignited in the presence of excess oxygen gas to…

A: For any chemical reaction, the enthalpy is considered as the state function that is it depends on…

Q: A coffee-cup calorimeter is used to determine the heat of reaction for the acid-base neutralization.…

A: The volume of the mixture (V) = 25+25 = 50 mL. Density = 1.02 g/mL. Mass of the mixture = 50 mL…

Q: Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard…

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Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M HCI.…

A: Given: Concentration of Ba(OH)2 = 0.340 M Volume of Ba(OH)2 solution = 50.0 mL = 0.050 L…

Q: A 100 MW power plant uses the lake water at 20°C to condense the steam in a boiler operating at…

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Q: Write the proper thermochemical equation for the formation of one mole of nitrogen dioxide(gas) from…

A: The formula of Nitrogen dioxide is NO2  Hence to make NO2 we will need element O and N since there…

Q: 2. Write the balanced chemical equation for the combustion of benzene, C6H60, to give carbon dioxide…

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Q: Calcium carbide, CaC2, is manufactured by reducing lime with carbon at high temperature. (The…

A: Given: The amount of energy absorbed by the reaction is equal to 464.8kJ. Moles of CO(g) formed =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 566.0 mg sample…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: The gas butane, C4H10(g), can be used in welding. When butane is burned in oxygen, the reaction is:…

A: Chemical equation :

Q: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A: Answer: Molar mass of glucose is 180.156g/mol Given mass of glucose is 1.13g Since, number of moles…

Q: 48.2 mL of a solution of HCl is combined with 110.7 mL of 1.35 M NaOH in a calorimeter. The reaction…

A: Given: Volume of HCl solution = 48.2 mL = 0.0482 L                               (Since 1 L = 1000…

Q: The following combustion reaction was carried out using 3.88 g O2 and excess CH4. CH4 + 2O2 → CO2 +…

A: Methane reacts with oxygen to form carbon dioxide and water. The balanced chemical equation is as…

Q: The combustion of 1.00 mole of glucose. C8H12O6, liberates 1.90 x 10³ KJ of heat. If 2.30g of…

A: 1 mole of glucose liberates 1.90 × 103 KJ. Moles of glucose burned = n=2.30g180.156 g/mol=0.12767…

Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 36…

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Q: 25.00 mL of 0.200 M sulfuric acid was added to 25.00 mL of 0.200 M NAOH, in a constant volume…

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Q: In an experiment to measure the heat released by the combustion of a sample of fuel, the compound…

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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…

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Q: Cyclopentane, C5H10, has an enthalpy of combustion of –3292 kJ per mole of cyclopentane.  What mass…

A: Given: Enthalpy of combustion of cyclopentane ∆Hc is -3292 kJ/mol. The amount of heat released is…

Q: 45.00 mL of 0.010 M HCI(aq) was mixed with 65.00 mL of 1.0 M Ba(OH)2(aq) in a Styrofoam cup…

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