calculate the reaction enthalpy of this reaction under standard conditions: 8(H2S)(g)+4(O2)(g)→(S8)(s)+8(H2O)(l)Round your answer to the nearest kJ.

Q: A scientist measures the standard enthalpy change for the following reaction to be 543.2 kJ :…

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Q: if 0.0102 moles reacted and 476.5 J of heat were absorbed by the reaction in a coffee cup…

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Q: The efficient design of chemical plants depends on the designer's ability to assess and use the heat…

A: (a) Given information,

Q: Using the table of standard formation enthalples that you'll find under the ALEKS Data tab,…

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Q: Consider the following reaction: 2Mg(s) + 02(g) → 2M90 AH = -1204kJ How many kilojoules of heat are…

A: 1- First we will calculate the  moles of MgO(s)  moles = [ mass / molar mass ]  moles = [ 7.50g /…

Q: A system does 566 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: From the first law of thermodynamic's... Q = ∆E + W Work done by the system = positive Heat losses…

Q: Suppose that the molar enthalpy of a reaction is -17.41 kJ/mol and 1.49 x 106 joules of heat are…

A: The following formula is valid to solve for the answer of the given question. ∆H=qn where, '∆H' is…

Q: A scientist measures the standard enthalpy change for the following reaction to be 16.5 kJ :CO(g) +…

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Q: The value of AH° for the reaction below is 128.1 kJ CH ,OH U - Co, 2(8) + 2H. 2(8) How may kJ of…

A: Given chemical equation is  CH3OH(l) -----> CO2(g) + 2H2(g) Enthalpy change, ∆H° = 128.1 kJ  We…

Q: According to the following reaction, what is the change in enthalpy (kJ) per mole of the reaction?…

A: Given,  2NH3(g) + 3O2(g) + 2CH4(g) ⟶⟶ 2HCN(g) + 6H2O(g)     ΔH=−948.4kJ  Here in this reaction for 2…

Q: Use the standard reaction enthalpies given below to determine ΔH°rxnfor the following reaction:…

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Q: The standard enthalpy change for the following reaction is 1.11x10 kJ at 298 K. 2 BaO(s) 2 Ba(s) +…

A: By Hess's law of constant heat summation: Equation (ii) = -1/2 x equation (i) ∆H2° = -12×∆H1° ∆H2°…

Q: Many portable gas heaters and grills use propane, C3H$(g). Using enthalpies of formation, calculate…

A: The standard enthalpy of reaction is the enthalpy change that occurs in a system when matter is…

Q: The standard heat of formation, AH, is defined as the enthalpy change for the formation of one mole…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: The ΔH for the oxidation of sulfur in the gas phase to SO3 is -204 kJ/mol and for the oxidation of…

A: The enthalpy of reaction (ΔH0rxn) is the heat released or absorbed during a chemical reaction.…

Q: What is a standard state? What is the standard enthalpy change for a reaction?

A: Standard state of a material is the reference point  that is used to calculate its properties under…

Q: What quantity of heat (in kJ) will be released if 0.1739 mol of NH3 are mixed with 0.200 mol of O₂…

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Q: What two conditions must be met by a thermochemical equation so that its enthalpy change can be…

A: ∆Hf° is the sign of change in standard enthalpy of formation. Where , "∆" denotes change in enthalpy…

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

A: Hess' law of constant heat summation: The Hess law states that the change of enthalpy in a chemical…

Q: when octane (C8H18) is burned under standard conditions, the enthalpy of combustion is -5578.64KJ /…

A: Given that : The enthalpy of combustion = -5578.64 kJ/mol Heat of formation of octane = ?

Q: A scientist measures the standard enthalpy change for the following reaction to be 4.4 k) : Fe(s) +…

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Q: Which of the following best explains why standard enthalpies of formation of compounds at 25 oC may…

A: Enthalpy of formation for a compound is defined as the enthalpy required to form a compound from its…

Q: KJ/mol. The heat of reaction for the combustion of a mole of Ti in this calorimeter is

A: The ∆Hcombustion is the amount of heat in the energy needed to burn per mole of a substance. Its…

Q: Consider the reaction of carbon dioxide and water to form liquid methanol:   1/2 CO2(g) + H2O(l)…

A: The enthalpy is given for  the reaction (1/2)CO2(g) + H2O(l) -----> (1/2) CH3OH(l) + (3/4)O2(g)…

Q: 26 The standard enthalpy change for the following reaction is 6492.0 kJ/molpxn: What mass (in g) of…

A: Standard enthalpy of formation is the energy change during formation of respective compound.

Q: Using the standard molar enthalpies of formation given, calculate the standard enthalpy of reaction…

A: Taken from the standard values, Standard enthalpy of H2O = -241.83 KJ/mol Standard enthalpy of CO2 =…

Q: Calculate ∆o for [Co(H2O)6]2+ in units of kJ.

A: In order to solve this question, we must know the crystal field splitting theory and the number of…

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

A: Hess’s law states that when chemical equations are combined algebraically, their enthalpies can be…

Q: A scientist measures the standard enthalpy change for the following reaction to be -349.0 kJ :…

A: Calculation as shown below

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: Given reaction,  6C2H6g      +      7O2g     →       4CO2g      +       6 H2Og ∆Hf∘ of  C2H6g =…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the reaction: (1) CH4…

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Q: What is the change in internal energy (∆E) for a system in kJ if 2550 kJ of heat are absorbed by the…

A: Disclaimer : The problem contains multiple questions. So , we are solving only the first question.…

Q: Use standard enthalpies of formation to calculate ΔH∘rxnΔHrxn∘ for the following reaction:…

A: Given reaction: CaO(s)+CO2(g)→CaCO3(s) We have to calculate the ΔH∘rxn using the standard enthalpies…

Q: Consider the reaction Ca(OH)2 (s)→CaO(s) + H₂O(1) with enthalpy of reaction AHrxn = 65.2kJ/mol What…

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Q: The value of AH° for the reaction below is 128.1 kJ CH ,OH CO2es + 2H, (1) 2(g) 2(g) How may kJ of…

A: Enthalpy is thermodynamic property which is extensive in nature

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: The given balanced equation is: 2C2H6(g) + 7O2(g)  ----> 4CO2(g) + 6H2O(l) ; ∆Horxn = ??

Q: The decomposition of hydrogen peroxide, H2O2, has been used to provide thrust in the control jets of…

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

Q: entist measures the standard enthalpy change for the following reaction to be 561.1 kJ: 3(g)Brz(g) +…

A: We will calculate the standard enthalpy of formation of BrF3(g)

Q: Given the reaction below, write the thermochemical equation showing the enthalpy of the…

A: The reaction taking place is given as, => 2 H2O (l) + O2 (g) -------> 2 H2O2 (aq)…

Q: Consider the following reaction and associated enthalpy data for a particular temperature. 2 NH3(g)…

A: The reaction is given as, 2NH3 (g) <=> N2 (g) + 3H2 (g) The ∆fH° is given as +92 kJ/mol ∆H° is…

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

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

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Q: The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe304…

A: Given: Thermite reaction used for welding iron. ∆H0= -3350 kJ Temperature= 3000°C  Mass of…

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

A: Given: N2(g) + O2(g) ----> 2NO(g)        ∆H = +180kJ ----(1) 1/2 N2(g) + O2(g) ----> NO2(g)…

Q: When a reaction occurs in a calorimeter, the temperature of 60 g of a reaction mixture increased by…

A: Given that : Mass of mixture (m) = 60 g Change in temperature (∆T) = 5°C Specific heat capacity (s)…

Q: The combustion of propane is represented by the following reaction: 50 21g) 3CO2(8) 4H2O(g) 2043 kJ…

A: The balanced reaction taking place is given as, => C3H8 (g) + 5 O2 (g) ---------> 3 CO2 (g) +…

Q: 3. How much heat, in kilojoules, is evolved in the complete consumption of 10.00 grams of methane,…

A: Introduction :  The reaction between methane and chlorine is a type of substitution reaction.Methane…

Q: Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on…

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Q: Using the provided table, determine the enthalpy (in kJ/ mol) for the reaction 2 NH3 (g) + 3 N,0…

A: The given reaction is: 2NH3 (g) + 3N2O (g) → 4N2 (g) + 3H2O (g)   The given enthalpies of formation…

Q: Consider the decomposition of hydrogen bromide to form hydrogen and gaseous bromine, Br2(g):…

A: The given forward reaction is :  HBr(g) = 1/2H2(g) + 1/2Br2(g)  H = 72.5 kJ  a. The reverse reaction…