Find 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: tWo steps in thể usual industrial preparation of acrylic acid, the immediate precursor of several…

A: The question is based on Hess law. it  states that net enthalpy change for the reaction remains same…

Q: NH3(g) + 3 O2(g) → 2 N2(g) + 6 H2O(g) If the standard molar heats of formation of ammonia, NH3(g),…

A: Given -  standard molar heats of formation ammonia, NH3(g) = - 46 kJ/mol gaseous water, H2O(g) =…

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: Given the following thermochemical equations, C2H2(g) + 5/2 O2(g) → 2CO2(g) + H2O(l) ∆H = -1299.5 KJ…

A:

Q: 9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O gas when propane is…

A: “Since you have asked multiple questions with multiple sub parts, we will solve the first question…

Q: When 13.8 ml of 0.870 M lead(II) nitrate reacts with 90.0 ml of 0.777 M sodium chloride, 0.579 kJ of…

A: Using mole-mole analysis and thermochemistry concepts we can solve this question.

Q: When 13.8 mL of 0.870 M lead(I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: Number of moles = Molarity x Volume (L)

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: Use the information provided below to compute AGran () for the reaction: CO(g) C(s) +02 (9) C(s) +…

A:

Q: A 4.5 g sample of NaCl is added to a styrofoam cup with 10.0g water, and the change in water…

A: Solution :      Heat transfer during the reaction shows the relationship between change in…

Q: Br () H Pd on C (a) () NANO, HCI, 0-5 °C () CUCN NO2 KMno, (b) heat Pd(OAc), PPh, (c) -B(OH Na,Co,…

A:

Q: Calculate the reaction enthalpy, ΔH, for the following reaction:     CH4(g)+2O2(g)→CO2(g)+2H2O(l)…

A: As per the question, given reactions are mentioned below:

Q: Given the following data: SrO(s) + CO2(g) ---> SrCO3(s) 2SrO(s) ---> 2Sr(s) + O2(g) 2SrCO3(s) --->…

A:

Q: Consider the combustion of butane gas:C₄H₁₀(g) +O₂(g) →4CO₂(g) +5H₂O(g) (a) Predict the signs of…

A:

Q: When 13.8 mL of 0.870 M lead(1I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: The balanced reaction taking place is given as, => Pb(NO3)2 (aq) + 2 NaCl (aq) ----> PbCl2 (s)…

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

A:

Q: Reagent Baeyer's reagent Alkane Alkenes Alkynes Aromatic Alkylbenzene Is there a reaction? What is…

A: Baeyer's reagent is alkaline potassium permanganate it can as oxidation agent .this oxidation will…

Q: 21. Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/mol If 45 g of…

A: Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/molHere combustion of…

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

A: Hydrogen peroxide is a chemical compound with the molecular formula H2O2. It decomposes and forms…

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Thermochemical equation :-  A chemical equation in which heat changes involved during the reaction…

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: Consider the decomposition of liquid benzene, C6H6(l), togaseous acetylene, C2H2(g):C6H6(l)…

A: a) C6H6(l) -----> 3 C2H2(g) ΔH = +630 kJ  the enthalpy change for the reverse reaction  3 C2H2(g)…

Q: How much heat is absorbed in the complete reaction of 3.00 grams of SiO, with excess carbon in the…

A:

Q: We can generate hydrogen chloride by hating a mixture of sulfuric acid and potassium chloride…

A: An enthalpy of a reaction is the change in enthalpy of products and reactants The formula to…

Q: Hydrogen peroxide (H2O2) decomposes to water and oxygen at constant pressure by the following…

A: Since from the given reaction we can say that when 2 moles (2 because in reaction coefficient of…

Q: enthalpy a state function. Fill in the blank: 4. For a change that takes place at constant pressure,…

A:

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

A:

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

A:

Q: Consider the combustion of liquid methanol, ??3?? (?) CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l)…

A: Given reaction is :  CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l) Enthalpy change of the reaction in…

Q: When 13.8 mL of 0.870 M lead(II) nitrate reacts with 90.0 ml of 0.777 M sodium chloride, 0.579 kJ of…

A: For Lead(II) Nitrate : Molarity = 0.870 M = 0.870 mol L-1 Volume = 13.8 mL = 0.0138 L   For Sodium…

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

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: Given the following data, calculate ΔH for the reaction of two moles of carbon monoxide with oxygen…

A: The indirect calculation of enthalpy change by use of several reactions with known enthalpies is…

Q: 5. Calculate and draw the enthalpy diagram for the following reaction: Mg(s) + H 20(g) –→ Mg0(s) +…

A: Enthalpy diagram : An enthalpy diagram plots potential energy on the Y-axis and reaction progress on…

Q: Propane, major component of LPG, burns according to the reaction, C;Hs2) +10 O22) Calculate the heat…

A: We have to calculate the heat evolved in 55g of propane = -27775 KJ

Q: When 13.8 mL of 0.870 M lead(II) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.279 kJ of…

A: Answer - The correct option is - (c) 23.3 kJ

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

A:

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: Calculate Δ­H for the reaction  NO(g) + O(g) → NO2(g) given the following information: NO(g) +…

A: Introduction The value of heat of reaction can be calculated by the application of Hess's Law.

Q: Calculate AH for the reaction, C,H,(g) + H,(g) → C,H,(g) Given: (a) 2 C,H,(g) + 5 0,(g) →4 CO,(g) +2…

A:

Q: When 1.14 g of octane (molar mass = 114 g/mol) reacts with excess oxygen in a constant volume…

A: Given:  Change in temperature =10oC Total heat capacity = 6.97 kJ/mol qcal = - qrxn

Q: Given the following thermochemical equations, C2 (g) +5/2O2 (g) → 2CO2 (g) +H2O (l) ΔH = −1299.5kJ…

A: Given: C2H2(g)+52O2(g)→2CO2(g)+H2O(l)     ∆H=-1299.5 kJ---eqn(1)C(s)+O2(g)→CO2(g)…

Q: Given the data in the table below, AH°rxn for the reaction 2Ag25 (s) + 02 (g) - 2A820 (s) 25 (s) kJ.…

A: The reaction given is 2 Ag2S (s) + O2 (g) -------> 2 Ag2O (s) + 2 S (s)

Q: If you have a reaction that occurs in aqueous solution, and raises the temperature of 15.9 g of…

A: As the reaction is exothermic , it liberates heat  which rises the temperature of water so sign of…

Q: 2. The overall reaction in a commercial heat pack can be represent 4Fe(s) + 30₂ (g) 2Fe₂O3 (s) How…

A: 2) Given, 4Fe(s) + 3O2(g)  ➝  2Fe2O3 ∆H = -1652 kJ moles of Fe2O3 produced = 1.00 mole Amount of…

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: When sodium bicarbonate is reacted with excess hydrochloric acid, carbon dioxide is produced…

A:

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:

Q: Determine the AH for the overall reaction based on the three-step thermochemical processes below:…

A: The steps of the reaction given are,

Q: The ΔHo reaction for the oxidation of ammonia 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g) is -905.2 kJ.…

A:

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…