ind ΔH for the reaction    C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l)        ΔHrxn = ? Given:   [CO2(g)] = -393.5 kJ/mol,                [H2O(l)] = -285.8 kJ/mol,                  [C3H8(l)] = -103.8 kJ/mol)   (Your answer is in kJ and has  one digit after the decimal. Enter only the number)

Q: When 25.0 mL of 1.0 M H₂SO is added to 50 ml of 1.0 M NaOH at 25 °C in a calorimeter, the…

A: ∆H in kJ can be calculated using formula :  ∆H = -q  Where , q is heat released or absorbed and is…

Q: Calculate ΔHf for HCN(g) at 25°C, given the following related reaction at 25°C,  2 NH3(g) + 3 O2(g)…

A: given, 2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g); ΔHrxn = -870.8 kJ ΔHf = -80.3 kJ/mol for…

Q: 64

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Q: Select the exothermic reaction. A) B) C) D) 4CO(g) + Fe;O4(s) 3Fe(s) + 4CO2(s) → AH = +12.5 kJ 4…

A: In exothermic reaction heat is released whereas in endothermic reaction heat is absorbed.

Q: 25°C, the enthalphy of formation of gaseous nitric acid is -134 KiloJoules per mole. Calculate the…

A: For the given reaction, Enthalpy of formation of nitric acid = -134 KJ/mol Temperature = 25°C = 298K…

Q: At one time, a common means of forming small quantities ofoxygen gas in the laboratory was to heat…

A: Energy change takes place when reactants convert into product. The heat change of a reaction is…

Q: Given the following thermochemical equation: CaCOa(s) → CaO(s) +CO2 (g) AH=177.8 kJ/mol What is the…

A: According to the first law of thermodynamics, the total heat change of a system at constant pressure…

Q: The unbalanced reaction of oxygen with benzene is shown below: C6H6 (l)  +   O2 (g) →  CO2 (g)  +…

A:

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

A: Calcium carbide is widely used in the industrial preparation of acrylic acid.

Q: A chem..easures the enthalpy change AH during the following reaction: C,H1,06(s)→3 CH 4(9) + 3…

A:

Q: The value ΔH0 of for the reaction 2Ba(s) + O2(g)→ 2BaO(s) is -1107 kJ. Determine the amount of…

A: First, calculate moles of BaO(s) No of moles of BaO(s) = Mass/Molar mass = 5.75g/(153.33g/mol) =…

Q: When a 3.32 g sample of NaOH(s) (Drano) was dissolved in a calorimeter containing 100.0 g of water,…

A: Given : Mass of NaOH dissolved = 3.32 g Initial temperature of solution = 22.8 oC Final temperature…

Q: ΔH for the reaction IF5 (g) → IF3 (g) + F2 (g) is __________ kJ, given the data below. IF (g) + F2…

A: Given reactions, IF (g) + F2 (g) → IF3 (g)         ; ΔH = -390 kJ  ----1  IF (g) + 2F2 (g)→ IF5 (g)…

Q: 13.4gof NH4Clis dissolved in 150mLof water in a coffee-cup calorimeter, and the temperature of the…

A: moles of NH4Cl = mass / molar mass of NH4Cl                           = 13.4 g / 53.5 g/mol…

Q: 7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When…

A:

Q: When a 4.18 g  sample of solid sodium hydroxide was dissolved in a calorimeter in 120.0 g  of water,…

A: ΔH (in kJ/mol NaOH) for the following solution process is to be calculated NaOH(s)→Na+(aq)+OH−(aq)

Q: SAQ No. 3 for 4.1.3 Given the following thermochemical equations, 4B(s) + 30,(g) → 2B,0,(s) AHº=…

A: Given, thermodynamical equations -

Q: 1. Benzene is toxic to humans, and is highly flammable as well. Calculate the amount of heat…

A: Given reaction; 2C6H6+15O2→12CO2+6H2O   ;∆Ho=-98.0kJ

Q: Given the following thermochemical equation: CaCO3(s) → CaO(s) +CO2 (g)…

A: Given, The following thermochemical equation: CaCO3(s) → CaO(s) +CO2 (g)…

Q: The heat of combust ion of fructose, C6H12O6, i s-2812 kJ/mol. If a fresh golden delicious apple…

A: Heat of combustion of  C6H12O6 = -2812 KJ/mol Heat of Combustion of CO2(g)= -393.5 KJ/mol Heat of…

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

A: Sodium peroxide reacts with water to form sodium hydroxide and oxygen. The equation for the balanced…

Q: When a 25.0 g sample of AgNO3 dissolves in 100.0 g of water in a calorimeter, the temperature drops…

A: The change in enthalpy (∆H) of a reaction is given by the equation: ∆H = m×C×∆T ⋯⋯⋯⋯⋯⋯(1) where m is…

Q: Isooctane (C8H18; density = 0.69 g/mL) is one of the many hydrocarbons that make up gasoline. Use…

A:

Q: reaction

A: This question is related to heat capacity.

Q: When a 4.18 g sample of solid sodium hydroxide was dissolved in a calorimeter in 120.0 g of water,…

A: ΔH (in kJ/mol NaOH) for the following solution process is to be calculated NaOH(s)→Na+(aq)+OH−(aq)

Q: The fat, glyceryl trioleate (C57H10406), is metabolized via the following reaction. Given the…

A:

Q: Calculate ΔG∘rxn for the reaction BaCO3(s)→BaO(s)+CO2(g) Use the following reactions and given…

A:

Q: The value of AH for the reaction below is -482 kJ. Calculate the heat (kJ) released when 52.0 g of…

A: We can calculate the heat released by using stoichiometric calculation. We see from balanced…

Q: Calculate AH° for the combustion of methane. CH4 (g) + 2 02 (g) →CO2 (g) + 2 H2O (g) Given the…

A:

Q: The value of Ke for the reaction A= B is 0.425 at 50.0°C and 0.625 at 100.0°C. Calculate AH° for the…

A: Given reaction  A  <--> B  Kc = 0.425 at T1 = 50°C = 323 K Kc = 0.625 at T2 = 100°C = 373 K

Q: Carbon disulfide can be prepared from coke (an impure form of carbon) and elemental sulfur. 4 C(s) +…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: Fe(s) + 2 HCl(g)→F€C1,(s) +…

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Q: Hemoglobin carries O₂ from the lungs to tissue cells, wherethe O₂ is released. The protein is…

A:

Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…

A: In this question, we have to find out the correct answer of given problem by the help of…

Q: The fat, glyceryl trioleate (C57H10406), is metabolized via the following reaction. Given the…

A: Given: Mass of fat i.e C57H104O6 reacting = 1.00 g And the balanced reaction taking place is given…

Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

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

A: The given reaction is  2Na2O2 (s) + 2H2O (l) → 4NaOH (s) + O2 (g)       ∆H° = -126 KJ In the above…

Q: When 2 moles of C2H6(g) react with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Given : Amount of heat evolved in the reaction = 2.86 X 103 KJ And moles of C2H6 reacted = 2 moles

Q: If qsolution -10 kJ for the following reaction conducted in a coffee cup calorimeter, what is…

A: Please find the below attachments.

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

A: Since when 2 moles of HCl is produced, energy absorbed = H = 482 KJ  Hence energy absorbed per mole…

Q: If the following enthalpies are known: A + 2B --> 2C + D         change in H = -95 kJ B + X…

A: The given reactions are, From the above equations, it is clear equation (3) can be obtained by…

Q: CaCOg(s) -> CaO(s) +CO2 AH=177.8 kJ/mol What is the change in the internal energy for the reaction…

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Q: 65. Calculate ΔH for the process Hg2Cl2(s)⟶2Hg(l)+Cl2(g) from the following…

A: ΔH for the process Hg2Cl2(s)⟶2Hg(l)+Cl2(g)                           (main equation)   And we have,…

Q: Calculate the enthalpy for the decomposition of calcium carbonate according to the equation CaCO3(s)…

A: Enthalpy for decomposition of calcium carbonate is calculated by using Hess's law.

Q: 11. A car has been fitted with an internal combustion engine that uses ethane as a fuel, which…

A:

Q: A styrofoam calorimeter contains 60.0 mL of o.750 M H,C,H¸O, at 22.8°C. When 9.83 g NaHCO, is added…

A: Given reaction between citric acid and sodium bicarbonate as follows: H3C6H5O7 (aq) +  3NaHCO3…

Q: 12. Copper() oxide can be oxidized to copper(II) oxide: Cu20(s) + % O2(g) →2CuO(s) AH ran = - 146.0…

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Q: 2. For the following reaction at 25°C, AG° is -118.4 kJ. At what pressure of O2 gas does AG = 0 at…

A: