The following thermochemical equation is for the reaction of hydrogen chloride(g) with oxygen(g) to form water(g) and chlorine(g). 4HCl(g) + O2(g)2H2O(g) + 2Cl2(g)     H = -114 kJ When 13.4 grams of hydrogen chloride(g) react with excess oxygen(g), kJ of energy are _________ (evolved or absorbed.)

Q: Question 9 Determine the enthalpy change, AH, in kJ, for the following reaction: CS2 (1) + 302 (g)…

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

Q: The following thermochemical equation is for the reaction of water(l) to form hydrogen(g) and…

A: The given reaction is, 2H2O(l) ---> O2(g) + 2H2(g) ........∆H = 572 kJ 572 kJ energy provided for…

Q: Consider the balanced thermochemical equation given below. 2Ba(s)+O2(g)=2BaO(s)     delta H= -1107…

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Q: The following thermochemical equation is for the reaction of carbon monoxide(g) with water(l) to…

A: First the given balanced reaction is as follows, CO(g) + H2O(l)= CO2(g) + H2(g)     Observing the…

Q: The following thermochemical equation is for the reaction of bromine trifluoride(g) to form…

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Q: A piece of unknown metal at 95.0oC with a mass 10.7 g place in a coffee-cup calorimeter with 100.0 g…

A: The principle of calorimetry is -                  Heat lost by Metal = Heat gained by Water Based…

Q: Two gaseous pollutants that form in auto exhaust are CO and NO.  An environmental chemist is…

A: Answer: CO (g)  +  NO (g) →→ CO2 (g) +  ½N2 (g) for this reaction ∆H = 373.3 kJ.

Q: The following thermochemical equation is for the reaction of iron(s) with hydrochloric acid(aq) to…

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Q: Bunsen burners use methane (CH4). The required amount of heat to make my morning coffee is 109.8 kJ.…

A: The given reaction is as follows: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)                  ∆H=-802.30 kJ…

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

A: Given Chemical equation   Equation1  ,2AR3 (g) + 2AX (g) → A2R4 (g) + 2XAR (g) ΔH = -87.2 kJ…

Q: From experiments, you know the following thermochemical equations: CaO(s) + 2HCl(aq) ---> CaCl2(aq)…

A: Given: CaO(s)+2HCl(aq)→CaCl2(aq)+H2O(l)       ∆H1=-186 kJ ---eqn(1)CaO(s)+H2O(l)→Ca(OH)2(s)…

Q: Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas: Al (s) + 3 HCI…

A: mass of the Al = 2.683 gVolume of the solution = 200 mLdensity of the solution = 1 g/mLmass of the…

Q: The following thermochemical equation is for the reaction of iron(III) oxide(s) with hydrogen (g) to…

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Q: Which of the following is ΔH for the process Hg2Cl2 (s) → 2Hg(l) + Cl2(g)? Given: (1) Hg(l) + Cl2(g)…

A: Adding given reaction 1 and 2 will give the net reaction 3 as  3) 2 Hg(l) + Cl2(g) → Hg2Cl2(s)…

Q: Consider the following balanced thermochemical equationfor a reaction sometimes used for H₂S…

A: Reactions are classified as exothermic and endothermic depending on whether these are associated…

Q: The following thermochemical equation is for the reaction of Fe,0,(8) with hydrogen(g) to form…

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Q: When 25.0 g hydrogen gas react according to the following reaction, how many kJ of heat are released…

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Q: Use the References to access important values if needed for this question. The following…

A: Iron (III) oxide reacts with hydrogen to form iron metal and water. The equation for the balanced…

Q: For the reaction Ca(OH)2(s) + H2SO4(e) → CaSO4(s) + 2H2O(e) AH° = -94.3 kJ/mol %3D How many kJ of…

A: The reaction taking place is given as, Given : Mass of Ca(OH)2 taken = 39.32 g And mass of H2SO4…

Q: How many Joules of energy are required to heat a 19.3 gram lead ball from 25.0˚C to 47.7˚C? (The…

A: The specific heat of lead states that 0.128 Joule of heat is needed for an increase in temperature…

Q: Nitrogen monoxide has been found to react with oxygen gas to produce the brown gas nitrogen dioxide.…

A: Given :  Heat released when one mole of NO reacts = 57 KJ

Q: What is the maximum amount of heat (in kJ) that can be released when 27.2 g of hydrogen sulfide gas…

A: Given mass of H2S = 27.2 g molar mass of H2S = 34.1 g/mol

Q: If 10.6 moles of water at 35°C absorbs 12.30 kJ, what is the final temperature of the water? The…

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Q: 9. If a sample of chloroform is initially at 25 °C, what is its final temperature if 150.0 g of…

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Q: 2N2(g) + 502(g) → 2N2O5(g) AH = H2(g) + ½ O2(g) → H2O(1) ΔΗ rxn -285.8 kJ N2O5(g) + H2O(1) →…

A: The provided reactions are- (i) H2(g) +1/2 O2(g) →  H2O(l)  ∆Hrxn= -285.8kJ (ii) N2O5(g) +…

Q: The following thermochemical equation is for the reaction of  iron(III) oxide(s) with hydrogen(g) to…

A: The balanced reaction taking place is given as, => Fe2O3 (s) + 3 H2 (g) -------> 2 Fe(s) + 3…

Q: 7. Consider the following balanced thermochemical equationfor a reaction sometimes use for H2S…

A: Given that -  1/8S8(s) + H2(g) -----> H2S(g) , ∆Hrxn = -20.2 kJ   Here, 1/8 = 0.125 moles…

Q: The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen(g) to…

A: Given; CO2(g) + H2(g) ➝ CO(g) + H2O(g) ∆H = 41.2 kJ Mass of carbon dioxide (CO2) gas reacts = 16.6…

Q: If 0.050 mol hydrochloric acid (HCI) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee…

A: A numerical problem based on chemical thermodynamics, which is to be accomplished.

Q: 6.139 Hydrogen is burned in oxygen to release heat (see equation below). How many grams of hydrogen…

A: To solve this problem first we have to calculate the amount of energy required and then tha mass of…

Q: 6.57 Nitroglycerine, C,H,(NO,),(1), a powerful explosive used in mining, detonates to produce-a hot…

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Q: "The thermite reaction combines aluminum powder and iron oxide and ignites the mixture to make…

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Q: 10.) The heat of formation of H2SO4 (ag) is -909.27 kl/mol. Which of the following is the…

A: Given:  Heat of Formation for H2SO4 is -909.27kJ/mol

Q: Q9 a)The following thermochemical equation is for the reaction of hydrogen bromide(g) to form…

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Q: Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can…

A: Given that The moles of NO = 1 The heat evolved = 57.0 kJ. Mass of nitrogen oxide = 8.00 g. To find…

Q: combustion of fuels and the energy content of foods. In an experiment, a 0.6756 g sample of adipic…

A: Given, Mass of Acid = 0.6756 g Molar mass = 146 g/mol Mole(n) = 0.6756/146   = 0.00453 mol…

Q: The reaction of carbon(s) with oxygen (g) to form carbon dioxide(g) proceeds as follows:…

A: In this question, we will determine the change in enthalpy ∆H for the given chemical equation.  You…

Q: [References] Use the References to access important values if needed for this question. The…

A: Given- Weight of iron(3)oxide = 59.9 gm

Q: O THERMOCHEMISTRY 15 Using Hess's Law to calculate net reaction enthalpy Nitric acid can be formed…

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Q: 7. Consider the following balanced thermochemical equationfor a reaction sometimes used for H2S…

A: 7. We have to predict nature of reaction , ∆Hrxn for reverse direction, ∆H when given amount of Se…

Q: Sulfur trioxide is produced when sulfur is burned according to this equation: 3 So +-0, 2(g) → SO,…

A: Given:

Q: Two gaseous pollutants that form in auto exhaust are CO and NO.  An environmental chemist is…

A: Given,   1. COg+12O2g→CO2g    ∆H1=-283.0 KJ   2. N2g+O2g→2NOg         ∆H2=180.6 KJ

Q: A chemist measures the energy change AH during the following reaction: C3Hg(g)+502(g) 3…

A: The given reaction is shown below.

Q: The following thermochemical equation is for the reaction of carbon dioxide(g) with hydrogen(g) to…

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Q: References Use the References to access important values if needed for this question. The following…

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Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

A: The enthalpy change for the reaction of 1 mole of H2S with excess water is 207 kJ.

Q: For problem #2 and #3, fill in the blanks to complete the chemical equations. 2) Fill in the blanks…

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Q: One mole nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO2. Write the…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: Methanol (CH3OH), which is used as a cooking fuel, burns in oxygen to produce carbon dioxide and…

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Q: Please help me with this, double and triple check your answers previous tutors got it wrong.

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