The following reaction enthalpies can be measured:   C2H4(g)+3O2(g)→2CO2(g)+2H2O(l)         ΔH∘=−1411.83 kJ C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l)      ΔH∘=−1367.68 kJ Find the enthalpy change when 9.55 kg of ethylene, C2H4(g), react with an excess of H2O(l)H2O(l)  to produce ethanol, C2H5OH(l).

Q: calculate the enthalpy change for the following reaction: (3) FeCl₂(s) + Hg(1)→→→ Fe(s) + HgCl₂(s)…

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Q: A scientist measures the standard enthalpy change for the following reaction to be 74.8 kJ: 2HBr(g)…

A: Enthalpy of formation is the enthalpy change during the formation of one mole of the compound from…

Q: The standard enthalpy change for the following reaction is -822 kJ at 298 K.2 Na(s) + Cl2(g)    2…

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Q: A 29.1-g sample of water at 280. K is mixed with 50.7 g water at 330. K. Calculate the final…

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Q: Calculate the standard enthalpy change ∆Ho for the reaction below in kJ given the following standard…

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Q: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s)   2AR3…

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Q: their enthalpy changes,                         N2 (g)   +   O2 (g)    -->    2 NO (g)…

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Q: A chemist measures the enthalpy change AH during the following reaction: 3 N2(g) + 8 H,(9g)–4 NH3(g)…

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Q: The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g)…

A: 1.5 CO2 (g) + 5 H2O(l)   → 0.5 C3H8 (g) + 2.5 O2 (g) )                  ΔH =+1110 kJ/mol

Q: From the enthalpies of reaction: 2 C(s) + O2(g) → 2 CO(g) ΔH =…

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Q: The standard enthalpy change for the following reaction is -511 kJ at 298 K.Br2(l) + 3 F2(g)--->2…

A: The objective of the question is to find the standard enthalpy change for the reaction 1/2 Br2(l) +…

Q: calculate the change in enthalpy for Reaction 2. Reaction 1:…

A: Given Reaction 1: C3H8(g) + 5O2(g)→3CO2(g) + 4H2O(g)  ∆H1 = -2043 kJ mol-1 Reaction 2: 6C3H8(g) +…

Q: Given the standard enthalpy changes for the following two reactions: ΔΗ° -- 544.0 kJ (1) 2Fe(s) +…

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Q: Calculate the enthalpy change for the reaction C2H2(g) + 2H2(g) → C2H6(g)     ΔrH = ? from the…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Use the following reactions to calculate the unknown ΔH. Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2 (g)…

A: Answer - The correct option is -(a)   = -792.3

Q: A chemist measures the enthalpy change AH during the following reaction: COC1₂(g) + 4NH3(g) →CO…

A: Given reaction is :  COCl2 (g) + 4NH3 (g) -----------> Co(NH3)2 (s) + 2NH4Cl (s)  Change in…

Q: The reaction that was on the screen when you started and its derivative demonstrate that the change…

A: The objective of the question is to calculate the change in enthalpy (ΔH) for Reaction 2 using the…

Q: Octane (C8H18) undergoes combustion according to the following thermochemical equation.…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g) →→C4H10(g)…

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Q: The standard enthalpy change for the following reaction is -851 kJ at 298 K. 2 Na(s) + O2(g) +…

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Q: Which of the reactions are exothermic? 2 Mg(s) + O,(g) → 2 MgO(s) + heat NH, (g) + HCI(g) → NH,CI(s)…

A: If heat is produced as one of product then the reaction is exothermic. If heat is used as reactant…

Q: Calculate the enthalpy change (in kJ) for the reaction below using the information given: 2C₂H6(g)…

A: As per Hess's law, when a reaction takes place by more than one step,the total enthalpy of the…

Q: Calculate the standard enthalpy for the reaction: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)

A: Let us denote the given reactions by reaction 1,2,3, and 4 from up to down respectively. Now we have…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1152.8 kJ:…

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Q: Using the three reactions below, determine change in enthalpy (kJ) for the combustion of ethane…

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Q: The standard enthalpy change for the following reaction is 470 kJ at 298 K. 2 CH3CH,OH(g) 4…

A: We have to calculate the enthalpy change for given reaction.

Q: Calculate the standard enthalpy change for the reaction 2 HCl(g) + F2(g) → 2 HF(ℓ) + Cl2(g) given…

A: Given information,   4 HCl(g) + O2(g) → 2 H2O(ℓ) + 2 Cl2(g)         ∆H0 = −202.4 kJ/mol rxn…

Q: A chemist measures the enthalpy change AH during the following reaction: H,O(1)→H,O(g) AH=44, kJ Use…

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Q: Use standard enthalpies of formation to determine the change in enthalpy for the combustion of 1…

A: Standard enthalpy change of combustion,  , is the energy released in the reaction  when a substance…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

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Q: Find ΔHrxn for the reaction:                3 H2(g) + O3(g) → 3 H2O(g)         Using the following…

A: Reactions with known enthalpy changes are the following. H2Og→H2g+12O2g       ∆Hreaction=+241.8 kJ…

Q: Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for the…

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Q: The standard enthalpy change for the following reaction is 1.94×103 kJ at 298 K. 2 Mn2O3(s) 4 Mn(s)…

A: Introduction: We have to tell the standard enthalpy change for the reaction.

Q: A scientist measures the standard enthalpy change for the following reaction to be -34.0 kJ: C₂H4…

A: ΔH° = -34.0 kJ ΔH°f (CH3CH2OH) = -235.1 kJ/mol ΔH°f (C2H4) = -52.3 kJ/mol

Q: Determine the enthalpy of reaction: 2NH3(g) + 2CH4(g) + 302(g) → 2HCN(g) + 6H₂O(l) Reactions…

A: We can calculate enthalpy of reaction by reversing reaction 1 and 2 and add equation 1,2,3 and 4…

Q: Calculate the enthalpy change for the reaction of ti

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Q: Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below.…

A: Given  Fe(s)    + 3 H2O(l)    → Fe(OH)3(s) + 3/2 H2(g)                              ΔrH° = +160.9 kJ…

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

A: To identify: A reaction for which the enthalpy change of the reaction corresponds to a standard…

Q: Give the ΔHΔH value for the formation of binary compounds as shown in the reaction…

A: Enthalpy of formation∆Hf of a compound is the the change of enthalpy during the formation of 1 mole…

Q: Hydrogen sulfide, H2S, is a foul-smelling gas. It burns to form sulfur dioxide. 2 H2S(g) + 3 O2(g)…

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Q: N2(g) + O2(g) + Cl2(g) ---------> 2 NOCl(g)        ΔH° = 103  kJ What is the standard enthalpy…

A: The answer to the following question is- Given  The reaction : Equation 1) N2(g) + O2(g) + Cl2(g)…

Q: +3 CO(g) 2 Fe(s) + 3 CO2(g) 3 02(g) → 2 Fe203(s) AH = -1648 kJ → 2 CO(g) + 02(g) AH= +565.4 kJ

A: (1) 4Fe + 3O2----> 2Fe2O3, □H = -1648 kJ (2) 2CO2 ----> 2CO + O2, □H = +565.4 kJ (3) Fe2O3 +…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1122.2 kJ :…

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Q: For the chemical reaction Ca (s) + ½ O₂ (g) → CaO (s) ∆H° = -635 kJ/mol. What is the enthalpy for…

A: Ca (s) + ½ O₂ (g) → CaO (s) ∆H1°  .............................(1) 2 CaO (s) → 2 Ca (s) + O₂ (g)…