Use Hess's law to calculate the enthalpy of the reaction... N2H4 + H2 -> 2 NH3 AH =? Using the following reactions... N2+ 3H2-> 2NH3 AH = -92.39KJ/mol N2H4 + O2 -> N2+2H20 AH = -622.09kJ/mol 2 H2 + O2 -> 2H20 AH = –483.6kJ/mol Round your final answer to 2 decimal places. Delta H of reaction is type your answe

Q: Adding 5.47 g of to 140 g of water in a coffee-cup calorimeter (with stirring to dissolve the salt)…

A: According to the question, we are adding 5.47 g of NH4NO3 to 140 g of water in a coffee-cup…

Q: The combustion of 0.7523 g of the compound, C3H603(Molar mass = 90.08 g/mol) raises the temperature…

A: Recall the given reaction,                         C3H6O3 l  +  9/2 O2 g  →  3 CO2 g  +  3 H2O…

Q: Determine the change in enthalpy for the following reaction from the enthalpies of formation for the…

A: The enthalpy of Reaction is the difference between enthalpies of Reactants and Products. It is…

Q: (a) Consider the following chemical reaction: 3FE203(s) + C0(g) → 2FE304(s) + CO2(g) AH° = ? Use the…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: CO2(g) + 4H2(g) CH4(g) + 2H20(g) Given the following standard enthalpies of formation. CO2(g), AH°,…

A: What is the standard enthalpy of the given reaction---

Q: Determine the enthalpy change for the reaction using the given AH values, 3X (s) + Z₂M3 (g) --> 2Z…

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Q: 3. For the reaction below, 5.95 kJ of heat must be supplied to convert 13.43 g lead(II) oxide into…

A: Recall the reaction 2PbO(s) ----> 2Pb(s) + O2(g)  According to the stoichiometry 2 moles PbO2…

Q: 8. Determine the enthalpy for the following reaction, given AH (NH3(g)) =-46.1 kJ/mol, AH, (NO(g)) =…

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Q: Use the given standard enthalpies of formation to calculate the ΔHo (in kJ) for the hypothetical…

A: Given; 2A2D (g) + 3E2 (g) → 2A2E (l) + 2DE2 (g)  Standard enthalpies of formation of reactant and…

Q: 1. What is the connection between Hess's law and the fact that enthalpy is a state function? 2.…

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Q: ΔHo

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Q: (1) N2(g) + 202(g)→2NO2(g) AH° = 66.4 kJ (2) 2N½0(g)2N2(g) + O2(g) AH° = -164.2 kJ what is the…

A: Given, N2(g)+2O2(g)→2NO2(g) ∆Ho=66.4kJ--------(1)2N2O(g)→2N2(g)+O2(g) ∆Ho=-164.2kJ--------(2)

Q: From the following enthalpies of reaction find ΔHrxn for 2 HCl(g) + F2(g) ---> 2 HF(l) + Cl2(g):  4…

A: Given, 4 HCl(g) + O2(g) ---> 2 H2O(l) + 2 Cl2(g); ΔH = -148.4 kJ/mol1/2 H2(g) + 1/2 F2(g) --->…

Q: A scientist measures the standard enthalpy change for the following reaction to be -601.8 k) : 20(g)…

A: Enthalpy of a formation This is  refers to the change in enthalpy for the formation of one mole of a…

Q: (c) Consider the following chemical reaction: C;Hs(g) + H2(g) C2H6(g) + CH4(g) ΔΗ Calculate the…

A: Hess's law states that the amount of heat evolved or absorbed in a process in independent of the…

Q: %24 When 21.6 mL of 0.500 M H,SO, is added to 21.6 mL of 1.00M KOH in a coffee-cup calorimeter at…

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Q: 7 A 2.200-g sample of quinone (C,H4O2) is burned in a bomb calorimeter whose total heat capacity is…

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Q: . What is the essence of determining the heat capacity of the calorimeter? Is it possible to replace…

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

Q: Use Hess's law to calculate the heat of reaction (AHpx) for the following reactions. 1. Calculate…

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Q: 6.00 g of a water soluble salt was dissolved in 75.0mL of water. The initial temperature of the…

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Q: Part C at A piece of metal weighing 5.50 g at a temperature of 47.8 °C was placed in a calorimeter…

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Q: For the reaction below, 5.95 kJ of heat must be supplied to convert 13.43 g lead(II) oxide into pure…

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Q: For which reaction below does the enthalpy change under standard conditions correspond to a standard…

A: Standard enthalpy of formation :- The enthalpy change involved  when one mole of a substance is…

Q: (c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate…

A: According to Hess’s Law, when the direction of reaction reverses, then the enthalpy change will get…

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) → 2 MCI, (aq) +…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2. НСI(9) — 2…

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Q: A scientist measures the standard enthalpy change for the following reaction to be -661.2 kJ : ...…

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Q: Adding 5.00 g of to 140 g of water in a coffee-cup calorimeter (with stirring to dissolve the salt)…

A: The enthalpy change ΔH is the heat of solution (qrxn) per mole of solute (n). i.e.…

Q: For the reaction 2 SO2(g) + O2(g)  2 SO3(g) G° = -147.8 kJ and S° = -187.9 J/K at 266 K and 1 atm.…

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Q: Need help with #4

A: The balanced reaction taking place is given as, => CuSO4 + 2 KOH  → K2SO4 + Cu(OH)2  Given:…

Q: Which of the following is true about Hess's law? The enthalpy change is dependent of the pathway by…

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

Q: A calorimeter contains 27.0 mL of water at 11.5 °C. When 1.30 g of X (a substance with a molar mass…

A: X(s) + H2O(l) --> X(aqm = 1.30 gM = 82

Q: 7.5 g KNO3 dissociated in 49.0 g of water in a coffee cup calorimeter. The thermometer reading…

A: Given: Mass of KNO3 dissolved = 7.5 g. Mass of water = 49.0 g. Initial temperature of water = 20.4…

Q: A scientist measures the standard enthalpy change for the following reaction to be -168.0 kJ:…

A:

Q: A scientist measures the standard enthalpy change for the following reaction to be -129.8 kJ :…

A: The given chemical reaction is as follows 4HCl(g) + O2(g)------->2H2O(g) + 2 Cl2(g)

Q: A calorimeter contains 30.0 mL of water at 14.0 °C When 1.70 g of X (a substance with a molar mass…

A: Given: Mass of X dissolved = 1.70 g. Molar mass of X = 76.0 g/mol. Initial temperature of solution =…

Q: The standard enthalpy of combustion of solid carbon to form carbon dioxide gas is -393.7 kJ per mol…

A:

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) → 2 MCI, (aq) +…

A: Consider the given reactions is as follows; 2 Ms  +  6 HCl aq   →   2 MCl3 aq  +  3 H2 g…

Q: 4NH3(g) + 502(g) ---> 4NO(g) + 6H2O(1) 2NO(g) + 02(g) - 3NO2(g) + H20(1) ---> 2HNO3((aq) + NO(g) MH…

A: The enthalpy change for the overall reaction is sum of the enthalpy change of the steps in the…

Q: A scientist measures the standard enthalpy change for the following reaction to be -572.6 kJ:…

A: Given data :- H2CO(g) + O2(g)   →     CO2(g) + H2O(l) Standard enthalpy change for the above…

Q: 1. Use the given information to calculate the enthalpy of reaction for the following reaction: P4010…

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Q: In the laboratory a student burns a 0.596-g sample of acetylsalicylic acid (C,H§O4) in a bomb…

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Q: Use Hess's Law to calculate the enthalpy for this reaction: 4SO3(g)→4S(s) + 602(g) AH°rxn = ??? kJ…

A: Given, a) SO2(g) ➝ S(s) + O2(g)   ∆H° = +296.8 kJ b) 2SO2(g) + O2(g) ➝ 2SO3(g)  ∆H° = -197.8 kJ…

Q: When 25.0 mL of 1.00 M H2SO4 is added to 50.0 mL of 1.00 M NaOH in a coffee-cup calorimeter at 25°C,…

A: Given: Density= 1.00 g/mL The volume of H2SO4= 25.0 mL The volume of NaOH= 50.0 mL The concentration…

Q: (c) Consider the following chemical reaction: C;Hs(g) + H2(g) C2H6(g) + CH4(g) ΔΗ? %3D Calculate the…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.

Q: When 5.12 g of NaOH were dissolved in 51.55 g water in a calorimeter at 24.5°C, the temperature of…

A: Given: The mass of water, (m1) = 51.55 g. The mass of NaOH, (m2) = 5.12 g. The specific heat of…

Q: When 1.00 L of 1.05 M Ba(NO3)2 solution is mixed with 1.00 L of 1.10 M NazSO4 solution at 25.0°C in…

A: Given: Concentration of Ba(NO3)2 = 1.05 M Volume of Ba(NO3)2 solution = 1.00 L Concentration of…

Q: Use standard enthalpies of formation to determine ΔHorxnfor: 2Al(s) + 3Cl2(g) → 2AlCl3(s) Enter in…

A: Given:2Al(s) + 3Cl2(g) → 2AlCl3(s)

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Q: (c) Consider the following chemical reaction: C3H8(g) + H2(g) - C2H6(g) + CH4(g) AH° = ? Calculate…

A: