From the heats of reaction 2H2(g) + O2(g) ---> 2H2O(g)     DH = -483.6 kJ              3O2(g) ---> 2O3(g)        DH = +284.6 kJ calculate the heat of the reaction            3H2(g) + O2(g) ---> 3H2O(g)

Q: Write a balanced equation for the combustion of C9H20(l) (nonane) -- i.e. its reaction with O2(g)…

A: Given : ΔHf° of CO2(g) = -393.5 kJ/mol ΔHf° of H2O(l) = -286 kJ/mol ΔHf° of C9H20(l) = -229.0…

Q: much heat will be released (∆H) if 0.2447 mol of NH₃ are mixed with 0.20 mol of O₂ in the following…

A:

Q: Estimate the thermal properties of a food with the following composition: carbohydrate 14.6%, 1.8%…

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

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

A:

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial…

A: The number of moles of CaCl2 in the given system is calculated using equation (1), n = mMn = 5.50…

Q: Write a balanced equation for the combustion of C3H8(g) (propane)-- i.e. its reaction with O2(g)…

A: The combustion reaction is shown as,

Q: A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with  23.2 mL of 6.45 M hydrochloric…

A: GivenVolume of NaOH solution = 67.0 mL = 0.067 LMolarity of NaOH solution = 2.01 MMoles of NaOH…

Q: ΔH for the dissolving process KOH (s) → KOH (aq) is -57.6 kJ/mol KOH.  In an insulated calorimeter,…

A: In calorie meter we can calculate the hate of the reaction .

Q: In a coffee cup calorimeter, 50.0 mL of 0.100 M AGNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

A: Given that: Mass of the solution (m) = 100.0 g Specific heat capacity (C) = 4.18 J/g°C Temperature…

Q: the enthalpy of reaction is -11.7 kJ/mol for the following: HCN(aq) + NaOH(aq) --> H2O(I) +…

A:

Q: 5. A student combines 20.00 mL of 0.500 M HCI and 20.00 mL of 0.550 M NaOH in a calorimeter. The…

A: Recall the following expression according to Law of calorimetry…

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial…

A: Calculate the heat released when 9.10 g of CaCl2 is dissolved:

Q: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

A:

Q: What quantity of heat (in kJ) will be released (∆H) if 0.4501 mol of NH3, are mixed with O.200 mol…

A:

Q: A chemical engineer studying the properties of fuels placed 1.440 g of a hydrocarbon in the bomb of…

A: The change in temperature is 20.0 to 23.55 degree Celsius.Heat absorbed by calorimeter = heat…

Q: Write a balanced equation for the combustion of C7H16(l) (heptane)-- i.e. its reaction with O2(g)…

A: The balanced equation is

Q: 2C4H10 + 13O2  -> 8 CO2 + 10 H2O   Heat= -5314kJ, heat of combustion per gram?

A: ·Reaction equation : 2C4H10 + 13O2  →                 8CO2 + 10H2O·Enthalpy of reaction, ∆H°rxn =…

Q: Calculate the heat of reaction for the following reaction: SiH4(g) + 4 I2(g) →  SiI4(g) + 4 HI(g)…

A: Answer to the following question is given as -

Q: Write a balanced equation for the combustion of CH3C6H13(l) (methyl hexane) -- i.e. its reaction…

A: Given Reaction:- CH3C6H13(l)  + 11O2 ------> 7CO2(g) + 8H2O ΔHf° of CO2(g) is -393.5 kJ/mol ΔHf°…

Q: Liquid bromine dissolves readily in aqueous NaOH: Br2(€) + 2 NaOH(aq) NaBr(aq) + NaOBr(aq) + H,O(€)…

A: Given, Br2 (l)+ 2 NaOH (aq) → NaBr (aq) + NaOBr (aq) + H2O (l) Moles of Br2 = 2.88 × 10-3 mol. Heat…

Q: Which one of the following is the equation for a standard formation reaction -- i.e., an equation…

A: Enthalpy of formation :- Change in enthalpy during the formation of a compound from its elemental…

Q: The standard heats of formation of HCl (g) and HBr (g) are -92.0 kJ/mol and -36.4 kJ/mol…

A: ΔHf  (HCl) = -92 kJ/mol. ΔHf  (HBr) = -36.4 kJ/mol. ΔHf  (Br2 (g))= 30.91 kJ/mol. ΔHf  (Cl2 (g)) = 0

Q: Hydrogen cyanide is used in the manufacture of clear plastics such as Plexiglas. It is prepared from…

A: In this question, we will determine the value of heat ( q ) in kJ unit.  You can see step by step…

Q: The preparation of NO2(g) from N2(g) and O2(g) is an endothermic reaction: N2(g) + O2(g) → NO2(g)…

A: Given: Pressure of N2 (P) = 2.65 atm Volume of N2 (V) = 291mL = (291/1000)L = 0.291L Temperature (T)…

Q: Whipping cream is made at home by using a cold bowl to help the cream stiffen. The bowl is made of…

A: When aluminium bowl ( which is at higher initial temperature ) is placed on ice bath ( which is at…

Q: The enthalpy of reaction is -11.7 kJ/mol for the following reaction:   HCN(aq) + NaOH(aq) -->…

A: Given : Enthalpy of reaction =  -11.7 kJ/mol  Reaction given as : HCN(aq) + NaOH(aq) --> H2O(l) +…

Q: The amino acid glycine, C2H;NO2, is one of the compounds used by the body to make proteins. The…

A: Given: The reaction is as follows: C2H5NO2(s) + 9O2(g)---------->8CO2(g) + 10H2O(l)  + 2N2(g).…

Q: What volume of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x…

A:

Q: Calcium oxide (CaO) is used to remove sulfur dioxide generated by coal-burning power stations: 2CaO…

A:

Q: The balanced combustion reaction for C6H6C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ   If…

A:

Q: The heat of the combustion reaction shown below is –6535 kJ. How much heat is released in the…

A:

Q: The following reaction is being studied: MX (s) ⟶ M+ (aq) +  X-(aq) ∆Hrxn = ??? kJ/mol MX To find…

A: Given that : Initial temperature of DI water = 22˚C Final temperature of solution = 24.5 ˚C Also,…

Q: Calculate the heat of reaction in kJ using the listed heats of formations.             CH4 (g)   +…

A: The expression for the calculation of enthalpy is shown below: ∆H =Σn∆Hf(products) -Σm∆Hf(reactants)…

Q: How much heat (in kJ) will be released (∆H) if 1.20 mol of SrO is mixed with 0.555 mol of CO₂ in the…

A: Mol rationin SrO and CO2 is 1:1 . Excess SrO will remains in the solution.

Q: The enthalpy (or heat) of combustion of acetone, (CH3)₂CO, is-1657.8 kJ. The reaction is (CH₂)2CO…

A:

Q: N2(g) + 3Cl2(g) 2NCl3(l) ∆H°rxn = +460 kJ Consider a reaction mixture of 6.5 LSTP of N2(g) and 16…

A: Using stoichiometric calculations, we will calculate reaction heat and limiting reagent.

Q: How much heat will be released (AH) if 0.3871 mol of NH3 are mixed with 0.20 mol of O2 in the…

A: ⊙ Limiting reactant⇒→ In chemical reaction one of the reactant is completely  consumes which is…

Q: What quantity of heat (in kJ) will be released (∆H) if 0.2143 mol of NH₃ are mixed with 0.200 mol of…

A: Given the moles of reactant, NH3 = 0.2143 mol  moles of reactant, O2 = 0.200 mol  Since we are given…

Q: When 2.105 g of NH4NO3 (molar mass is 80.05 g/mL) is added to 100.0 mL of water at 25.05C, the final…

A: To calculate the molar heat of the solution of NH4NO3 in KJ/mol Given that: Mass of solute = 2.105…

Q: How much heat (in kJ) evolves when 7.0 L of C2H2 (d= 1.0967 kg/m3) is mixed with a stoichiometric…

A: Number of moles = mass/molar mass  Molar mass of C2H2 = 26 g/mol

Q: Write a balanced equation for the combustion of C9H20(l) (nonane)-- i.e. its reaction with O2(g)…

A: A balanced chemical equation for a given reaction is defined as the chemical equation consisting of…

Q: 2.857 g of NH4Cl (53.19 g/mol) are added to 50.0 mL of water (18.02 g/mol, density = 1.00 g/mL) and…

A: To find ∆H     ∆H = m*c*∆T Given         m = 2.857 g         c = 4.18 J/(g.C)  ∆T   =  18.90 -22.3…

Q: Whipping cream is made at home by using a cold bowl to help the cream stiffen. The bowl is made of…

A: Mass of ice = 0.5 kg Mass of aluminium bowl = 250 g Initial temperature of ice = -50C Initial…

Q: Calcium oxide (CaO) is used to remove sulfur dioxide generated by coal-burning power stations:…

A:

Q: What volume (in mL) of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce…

A: Amount of reactant calculation based on stoichiometry

Q: The preparation of NO2(g) from N2(g) and O2(g) is an endothermic reaction: N2(g) + O2(g) -> NO2(g)…

A: Given data : Volume of N2 = 250 mL = 0.25 L                           Pressure = 3.50 atm Volume of…

Q: A block of iron weighing 3.50 kg at a temperature of 107.0 °C was inserted into a container…

A: Heat given = heat taken m1 . s1 (T1 - T) = m2 . s2 (T - T2)

Q: 25.00 mL of 0.4600 M phosphoric acid are reacted with 94.00 mL of 0.7970 M sodium hydroxide. The…

A: Given that: Temperature before the reaction (T1) = 24.692℃ = 297.842 K     Temperature after the…

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

A: