At the end of which of the following reactions will the temperature of the surrounding increases? Click all that apply. O H: (g) + F2 (g)-->2HF (g) AH = -542.2 kJ O 6C(s) + 3H2 (g)- CoHe (g) AH" = +49.03 kJ O C+ 02- CO2 AH = -393.5 kJ O CacOa(s) A, CaO(s) + COz(g) AH = +400.5 kJ

Q: Calculate ∆Gº for the reaction, 2CH4(g)+3O2(g)→2CO(g)+4H2O(g), given ∆Gºf for CH4(g)=-50.8 kJ/mol,…

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Q: Addition of hydrochloric acid to a silver nitrate solution precipitates silver chloride…

A: The total volume of the solution is 150 mL. First find the mass of solution in calorimeter.

Q: D.) A 100.0 ml volume of water is originally at 25.0 oC. When a chunk of lead that is originally at…

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Q: For a particular reaction at 25.0°C, ΔG°= 81.7 kJ and ΔH° = 76.3 kJ. What is ΔS° for this reaction,…

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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: How much heat evolves when 95 mL of benzene, C6H6 is consumed in the combustion reaction below. The…

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Q: Calculate AHxn for the reaction: 5 C(s) + 6 H2(8) → C,H12(1) Use the following reactions and given…

A: ∆Hrxn =-∆H1 + ∆H2 +∆H3 × 3 ∆Hrxn  = - ( -3244.8) + ( -393.5 ) + ( -483.5 x 3 )              = 3244.8…

Q: 15. Given the following equations and H° values, determine the heat of reaction (kJ) at 298 K for…

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Q: Methane combusts via the following balanced reaction: CH4(g) + 2O2(g) --> CO2(g) + 2 H2O(g)…

A: Given that the gas is in 50.0 L container at 298 K and 1 atm. At STP 1 mole of gas occupies 22.4 L…

Q: The overall reaction in a commercial heat pack can be represented as shown below. 4 Fe(s) 30,(g)2…

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

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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: Find AGra for the reaction: 3 C(s) + 4 H2(g) - CaHs(g) Use the following reactions with known values…

A: According to law of Laplace and Lavoisier: If any thermochemical reaction is reversed, then…

Q: 3. Pyrite (FeS2), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: In a reaction similar to Reaction 1, 3.2 g of sodium hydroxide (NaOH) is added to 100.0 g of water.…

A: The species base is treated with the species acid then the heat will be emitted during the…

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: 1. Calculate AH for the combustion of methane (CH4) Original equation: CH4 + 202 → CO2 + 2 H2O…

A: Enthalpy change of the reaction is equal to the sum of enthalpies of the given reactions.

Q: 2) Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

A: Given, a) N2(g) + O2(g) ➝ 2NO(g)  ∆H°rxn = +183 kJ b) 1/2N2(g) + O2(g) ➝ NO2(g)  ∆H°rxn = +33 kJ…

Q: Question 8

A: Given, ∆H0 of the reaction = -126kJ. The reaction is

Q: Calculate ∆Gº for the reaction, C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), where ∆Gfº=-23.5 kJ/mol for C3H8(g),…

A: Gibbs free energy is the energy which is utilised to do uswful work. It is an extensive property…

Q: A 100.0 mL sample of 0.200 M aqueous hydrochloric acid is added to 100.0 ml of 0.200 M aqueous…

A: ∆H=-qn where q=heat of reaction,n=moles of Hclbut…

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

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Q: Hess's Law of Constant Heat Summation. Click on the button within the activity and use the example…

A: According to Hess Law, if a chemical reaction can be expressed as the sum of two or more chemical…

Q: Hess's Law of Constant Heat Summation. Click on the button within the activity and use the example…

A: Calculate the enthalpy of the given required reaction---

Q: The standard heat of formation for TiCl4(l) is -804 kJ/mol at 298 K. Write the formation equation…

A: The standard heat of formation better known as the standard enthalpy of formation of a substance is…

Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

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Q: For the following reaction the enthalpy of the reaction is SHr-35.5 kJ 2A-38- 5C if 8 moles of A…

A: The balanced reaction taking place is given as, => 2 A + 3 B → 5 C…

Q: When 35.0 mL of 0.250 M acetic acid solution, initially at 25.00oC, is added to excess dilute sodium…

A: It  involves usage of calorimetry technique to calculate enthalpy change for the reaction.…

Q: Construct the expression for Kc for the following reaction. FeO(s) + H,(g) = Fe(s) + H,O(g) 1 Drag…

A: Kc = equilibrium constant.  For the given equation is as follows. FeO(s) + H2(g)…

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…

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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…

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: Consider 25.6 g of sodium bicarbonate is reacted completely with 1.01 kg of vinegar. The starting…

A: The amount of heat released or absorbed in a reaction is given by the following equation.…

Q: Considering the following reaction: 2CO(g) + O2(g) --> 2CO2(g) AH° = -258 kJ What is the AH° for the…

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

Q: Question 7

A: The reaction is given as follows:

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

A: Please find the below attachments.

Q: When 25.0 mL of 0.500 M H2SO4(aq) is added to 25.0 mL of 1.00 M KOH(aq) in a coffee-cup calorimeter…

A: 1 mol of H2SO4 reacts with 2 mols of KOH to produce 1 mol of K2SO4 and 2 mols of water

Q: Question 2

A: The total mass of solution is calculated as,

Q: ith the given data: Initial temperature = 30oC; Final temperature = 50oC Initial volume of water =…

A: #(a): Volume of 70% isopropyl alcohol burnt, V = 200 mL - 195 mL = 5 mL  Volume of isopropyl…

Q: Calculate the enthalpy for this reaction: 2C(s) + H2(g) ---> C2H2(g) AH° = ??? kJ Given the…

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Q: Calculate the AH°, for the reaction below, in kJ, using the heat of formation values below: _X4Y2…

A: Given  Reaction  X4Y2(g)   +  Z6(g)  →  X2Z4(g)  +  Y4Z2(l) ∆H°f  [ X4Y2 (g) ]  = - 300.5 KJ/mol…

Q: Determine the heat of reaction for the decomposition of calcium carbonate CaCO3(g) → CaO(s) + CO2(g)…

A: Determine the heat of reaction for the decomposition of calcium carbonate CaCO3(s) → CaO(s) + CO2(g)…

Q: (e) Calculate the enthalpy change associated with this reaction. 2C(s) + H2(g) ---> C2H2(g) AH° =…

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Q: Below is the reaction for the evaporation of water: H20 (1) → H20 (g) AH°f H2O (1)= -285.8 kJ/mole;…

A: Reaction for evaporation of waterH2O (l) → H2O (g)∆Hf°[H2O (l)] = - 285.8 kJ/mole∆Hf°[H2O (g)] = -…

Q: Hess's Law of Constant Heat Summation. Click on the button within the activity and use the example…

A: For obtaining the net chemical equation, the first chemical equation is reversed. The enthalpy of…

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

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Q: What mass of benzene (C6H6, molar mass = 78.11 g/mol) is required to produce 1.5x10^3kJ of heat…

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Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

A: Given: Mass of rod = 136.51 g. Initial temperature of Al rod = 100.0 oC Mass of water = 250.0 g And…

Q: In a coffee cup calorimeter, 10.0mL of 1.00M AgNo3 and 10.0mLof 1.00M NaCl are mixed and the…

A: Volume of 1M AgNO3 solution = V1 = 10.0 mLVolume of 1M NaCl solution = 10.0 mL = V2V = V1 + V2V =…