In the following reaction, how many moles of CH3OH are required to give off 1876 kJ of heat? 2 CH3OH (I) + 3 O2 (g) → 2 CO2 (g) + 4 H2O(g) AH° = -1280. kJ %3D

Q: A neutralization reaction occurs when 120.00 mL of 0.500 mol/L LIOH and 160.00mL of 0.375 mol/L HNO3…

A: Given, Molarity of LiOH = 0.500 M  Volume of LiOH in mL = 120.00 mL  Molarity of HNO3 = 0.375 M…

Q: Calculate the molar heat capacity of iron in J-mol 1°C!. Its specific heat is 0.4498 J-g1.°C°!,…

A: The given data: The specific heat of iron = 0.4498 J.g-1.°C-1 To determine = The molar heat capacity…

Q: When 25.0 mL of 1.0 M H₂SO is added to 50 ml of 1.0 M NaOH at 25 °C in a calorimeter, the…

A: ∆H in kJ can be calculated using formula :  ∆H = -q  Where , q is heat released or absorbed and is…

Q: performs an experiment to determine the heat of reaction in a cold pack. A Styrofoam calorimeter…

A: When a salt is dissolved in the water, some energy may be gained or released.this energy is…

Q: A battery harnesses a chemical reaction to extract energy in the form of useful electrical work. (a)…

A:

Q: Calculate the theoretical heat of reaction between the Zn and copper sulphate using the following…

A:

Q: 2. If the temperature rises from 18.7 °C to 25.2 °C when 1.988 g of MgO pellets are added to 199.0…

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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: Calculate the heat of the reaction (AH°rxn) when 35.0 mL of benzene (C6H6, d= 0.880 g/mL, molar mass…

A: Heat of Combustion There are some substance generally organic molecules which reacts with excess…

Q: Ethane is flamed off in abundance from oil wells, because it is unreactive and difficult to use…

A:

Q: When 13.8 mL of 0.870 M lead(I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: Number of moles = Molarity x Volume (L)

Q: Calculate the molar heat capacity of iron in J·mol-1·°C-1. Its specific heat is 0.4498 J·g-1·°C-1.

A:

Q: Part of the industrial recovery of elemental zinc from the zinc sulfide ore is by roasting: ZnSja +…

A:

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.911 mol of CO2 in…

A: Given: The number of moles of SrO (Strontium oxide) is 1.20 mol The number of moles of CO2 (carbon…

Q: Methanol is an organic solvent that can be used as a fuel in some automobiles. 2 CH3OH(l)…

A: Given: volume of methanol (CH3OH) = 15 mL density of methanol = 0.792 g/mL molar mass of methanol =…

Q: CHa (g) + 302 (g)2 CO2 (g) + 2 H20 (e) andard enthalpies of formation of CO2 (g) and H;0 (e) are…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: During an experiment, a student adds 2.90 g CaO2.90 g CaO to 400.0 mL400.0 mL of 1.500 M HCl1.500 M…

A: The weight of CaO is 2.90 g. The volume of HCl is 400.0 mL. The concentration of HCl is 1.500 M. The…

Q: The value of ΔH0for the reaction CH3OH(l) → CO(g) + 2H2(g) is +128.1 kJ. Determine the heat consumed…

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Q: The enthalpy for the reaction 2 C2H5OH + 6 O2–→4 CO2 + 6 H2O is -2734 kJ at 25°C. What is the…

A: When the reaction is multiplied with some coefficient the the enthalpy of the reaction will be the…

Q: The enthalpy for the reaction C3H3 + 5 O2 → 3 CO2 + 4 H20 is -2220 kJ at 25°C. What is the standard…

A: In this question we have to tell the standard enthalpy of the given reaction.

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.654 g of zinc…

A: Recall the given reaction Zns + 2HClaq → ZnCl2aq + H2g  , ∆H°=-153 kJ As ∆H° is negative ,so the…

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: Sodium hydroxide (39.9971 g/mol) reacts with excess H2SO4 in a constant-pressure calorimeter. The…

A: Given ∆T = 29°CMass of reaction mixture = M = 120 gSpecific heat of solution = Cs = 4.184 J/g°CHeat…

Q: 1. Benzene is toxic to humans, and is highly flammable as well. Calculate the amount of heat…

A:

Q: 1. Benzene is toxic to humans, and is highly flammable as well. Calculate the amount of heat…

A: Given reaction; 2C6H6+15O2→12CO2+6H2O   ;∆Ho=-98.0kJ

Q: How many grams of C6H6 must decompose accorsing to the equation to transfer 430 Kj of heat?…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: The AH° of the reaction is -1367 kJ. Calculate the work done on the system at 25°C. C2H5OH(1) +…

A: Work done (w) : w = -∆ngRT  w = - ( 2 - 3) x 8.314 x 298  w = 2477.572 J w = 2.48 kJ

Q: The value of ΔH0 for the reaction is -6535 kJ.  What is the heat released in the combustion of 16.0…

A: When two moles of benzene reacts with fifteen moles of oxygen gas twelve moles of carbon dioxide and…

Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Given reaction is : 2Na2O2 (s) + 2H2O (l) → 4NaOH (s) + O2 (g) Standard change in enthalpy of the…

Q: When 50.0 g of an aqueous solution of reagent 1 at 24.1oC is added to 100.0 g of of an aqueous…

A: Calorimetry is a chemical process in which we find out the heat transfer associated with the change…

Q: A 12.49-g block of solid tin at 68.77 °C is immersed in a 2.75-g pool of liquid ethanol with a…

A:

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: The value of ΔH° for the reaction below is +128.1 kJ: CH3OH (l) → CO (g) + 2H2 (g) How many kJ of…

A: Given: The reaction is as follows, CH3OH (l) → CO2(g) + 2H2(g)          ∆H° = +128.1 kJ Mass of…

Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Balanced equation:2 Na2O2 + 2 H2O ===> 4 NaOH + O2 Reaction type: double replacement.

Q: a. Calculate the theoretical heat of reaction between the Zn and copper sulphate using the following…

A: For question A,  we use the given formula to calculate the theoretical heat of reaction.

Q: What is the final temperature (in K) of 2.630 g of water with an initial temperature of 293.2 K…

A: Given: The initial temperature of the water, (T1) = 293.2 K. The mass of water, (m) = 2.630 g The…

Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:Ca2+ (aq) + 2…

A: The chemical reaction is as follows:

Q: Iron can react with oxygen to give iron (III) oxide. If 5.58 g of Fe is heated in pure oxygen to…

A: Given: When iron reacts with oxygen, iron(III) oxide is formed. 5.58 g Fe is reacted with pure…

Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…

A: In this question, we have to find out the correct answer of given problem by the help of…

Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: Given the following reactions N2 13 + O2 (g) → 2 NO 13) AHn = +178 kJ NO2 g NO g + 1/2 02 (g) AHren=…

A: From given two chemical equation we have to calculate the enthalpy change for the reaction : 4 NO…

Q: there in 75 molecules of acetic acid, CH3CO2H? Which of the following is true for an engine that…

A:

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: To a 2Kg sample of wood 80 KJ of heat is added, and its temperature is found to rise from 20oC to…

A: The specific heat capacity (S) of a substance is the amount of energy required to raise the…

Q: A 12.65-g block of solid titanium at 14.63 °C is immersed in a 24.49-g pool of liquid propylene…

A:

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: What mass of benzene (C6H6, molar mass = 78.11 g/mol) is required to produce 1.5x10^3kJ of heat…

A: Number of mole of substance is calculated by dividing mass of substance to molar mass of it where…

Q: If a system has 5.00×102 kcal5.00×102 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ…

A: Given Data : Work done (w) = 5.00 × 102 kcal heat (q) = 5.00 × 102 kJ

Q: The value of AH° for the reaction below is -336 kJ. Calculate the heat (kJ) released to the…

A: We have a reaction,  CH4 + 3Cl2   →  CHCl3 + 3HCl ,   ΔH = –336kJ we need to find heat released when…

Q: Determine the amount of heat (in kJ) associated with the production of 3.20×104 g of ammonia…

A: Given: mass of ammonia = 3.20×104 g molar mass of NH3 = 17.031 g/mol