Ethanol 1C2H5OH2 is blended with gasoline as an automobilefuel. (a) Write a balanced equation for the combustionof liquid ethanol in air. (b) Calculate the standard enthalpychange for the reaction, assuming H2O1g2 as a product.(c) Calculate the heat produced per liter of ethanol by combustionof ethanol under constant pressure. Ethanol has adensity of 0.789 g>mL. (d) Calculate the mass of CO2 producedper kJ of heat emitted.

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H8O7, molar mass 192.12 g) was…

A:

Q: The evaporation of water is endothermic:H2O(l) → H2O( g) ∆Hrxn = +44.01 kJWhat minimum mass of water…

A: Determination of no. of mol of H2O that will evaporate from 175 kJ/mol: n=175 kJ44.01 kJ/mol=3.9764…

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: The enthealpy óf coI (C6H5COOH) which is often used to calibrate calorimeters, is-3227 k.J/mol. When…

A: Given, Enthalpy of combustion(∆H) =-3227 kJ/mol Mass of benzoic acid =1.092 g Moles of benzoic acid…

Q: When 8.67 g of NaOH are added to 207 g of water in a constant pressure calorimeter, the temperature…

A:

Q: In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH), was added to 60.0 mL of 0.620 M HCI.…

A:

Q: 1l of the following statements are true except O Internal energy is a state function. O The enthalpy…

A: Thermodynamics can be defined as the branch of chemistry that deals with study of the relations…

Q: Many portable gas heaters and grills use propane, C3H8(g), asa fuel. Using standard enthalpies of…

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

Q: Solid carbon–C(s, graphite), gaseous hydrogen–H2(g), and thesugar glucose–C6H12O6(s) are all burned…

A: The standard reaction enthalpy is the sum of the standard enthalpies of the intermediate reactions…

Q: When a 13.3 g sample of NaOH(s) dissolves in 380.0 mL water in a coffee cup calorimeter, the…

A:

Q: In a constant-pressure calorimeter, 60.0 mL of 0.320 M Ba(OH), was added to 60.0 mL of 0.640 M HCI.…

A: In the given reaction both reactants are present in equal moles. Calculate the moles of water,

Q: The methane molecule, CH4, has the geometry shown inFigure 2.17. Imagine a hypothetical process in…

A: The given reaction is CH4 (g) → C (g) + 4H (g) Step 2: (a)  In the reverse reaction The H2 molecules…

Q: The standard heat of combustion of propanol, C3H7OH, is 2021 kJ/mol. How much heat would be…

A: Number of moles of any substance can be calculated by dividing the mass of the substance with its…

Q: The temperature of 756 g of water in a calorimeterincreases from 23.2°C to 37.6°C. How much heat…

A: Given: Mass = 756g Initial temperature= 23.2oC Final temperature= 37.6oC To find: The heat given off…

Q: Ethanol (C2H5OH) is blended with gasoline as an automobilefuel. (a) Write a balanced equation for…

A: a. The equation for the combustion of ethanol would be: C2H4OH + 3O2 ---------------> 2CO2 + 3H2O…

Q: The standard heat of combustion of gaseous cyclopentane, C5H10(g), was measured to be −3319.5…

A:

Q: When 1.00 L of 1.00 M Ba(NO,), solution at 25.0°C is mixed with 1.00 L of 1.00 M Na,SO, solution at…

A: Enthalpy change is defined as the amount of heat evolved or absorbed in a reaction carried out at…

Q: A piston performs work of 217 L atm on the surroundings, while the cylinder in which it p,aces…

A: Record the given data,   Work done w = 217 L atm   Piston expands from 8L to 24 L.

Q: Propane is a hydrocarbon gas that is commonly used for cooking. The standard enthalpy of combustion…

A:

Q: 5.138 Metabolic activity in the human body releasesapproximately 1.0 × 104 kJ of heat per day.…

A: Given data: Mass of the body = 55kg Heat released by human body = 1.0×104 Heat of vaporization of…

Q: When 1.00 L of 2.00 M Na SO, solution at 30.0°C is added to 2.00 L of 0.750 M Ba(NO), solu- tion at…

A: Calculate the enthaply change per mole of BaSO4 formed.To determine the number of moles of BaSO4…

Q: A propane tank on a home barbeque contains 10.4 * 103g ofpropane.a. Write the balanced chemical…

A: Solution- (a)-C3H8(g)+H2O(g)  → 3CO2(g) + 4H2O(g)∆Horxn=∑∆Hf(product) - ∑∆Hf(reactants)=(3× -393.5)…

Q: In an insulated bomb calorimeter, 0.568 g of solid citric acid (C6H&O7, molar mass 192.12 g) was…

A:

Q: The heat of formation at 25°C of liquid butanol, C¸H,OH() is -327.0 kJ/mol. Which of the following…

A: The chemical equation is considered as a thermochemical equation in which the change in enthalpy for…

Q: When 50.00 mL of aqueous HCl was mixed with 50.00 mL of NaOH (in large excess), the temperature of…

A:

Q: When 0.0700 moles of metal "X" is allowed to completely react with 200 mL of aqueous HCI, the…

A: Given data,Moles of Metal=0.070molesVolume of HCl=200mL∆T=42.9-25=17.9oCHeat capacity of…

Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: The heat of combustion for one mole of carbon is 394kJ, C(s)+O₂(g) + CO₂(g). How much heat would be…

A: Given information: Heat released during combustion of 1 mole of carbon is 394 kJ. The chemical…

Q: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: The complete combustion of ethanol, C2H5OH(l), to form H2O(g) and CO2(g) at constant pressure…

A: Given :-  complete combustion of ethanol  C2H5OH(l) + O2(g)→ H2O(g) + CO2(g) + 1235 kJ/mol  To write…

Q: Is enthalpy change an extenive or intensive property? What impact does this have on the quality of a…

A: The enthalpy of a system is nothing but the sum of internal energies of the system and its…

Q: If a system has 325 keal of work done to it, and releases S5.00 x 10 kJ of heat into its…

A:

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 gas is compressed in a piston with 8.80E1 J of work. As a result, 4.2E1 J of heat is given off to…

A: Solving only first question in accordance with the guidelines. We will answer this question using…

Q: Under constant-volume conditions, the heat of combustionof glucose 1C6H12O62 is 15.57 kJ>g. A…

A: The total heat capacity of a calorimeter is obtained by burning a known weight of a substance of…

Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M The…

A:

Q: OWhen a 0.740-g sample of trinitrotoluene (TNT), CH-N,Oo, is bumed in a bomb calorimeter, the…

A: Given volume of water = 675mL  Density of water = 1g/mL  So, mass of water = volume×density = 675g…

Q: Many portable gas heaters and grills use propane, C3H81g2, asa fuel. Using standard enthalpies of…

A: The balanced reaction is,

Q: 1. The complete combustion of ethanol, C2H50H (1) to form H20(g) and CO2 (g) at constant pressure…

A: 1 mole of ethanol reacts with 3 moles of oxygen gas(complete combustion) and yields 2 moles of…

Q: The heat of combustion (AH) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated…

A: Given data Heat of combustion of propane ∆H=-2222 KJ/mol molar mass of propane = 44.11 g/mol mass of…

Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680 M HCI.…

A: no of mmoles of water produced is 34 mmoles. The total amount of heat produced is 1.937kJ so the…

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: The complete combustion of ethanol, C2H5OH(l), to formH2O(g) and CO2(g) at constant pressure…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which AH = 63.1 kJ/mol. Which…

A:

Q: In a calorimetric experiment, 6.48 g of lithium hydroxide, LiOH, was dissolved in water. The…

A:

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

A: Elements in their standard state have ΔH°f = 0 Standard state of Lithium is Li (s) Standard state of…

Q: When a 13.3 g sample of NaOH(s) dissolves in 394.0 mL water in a coffee cup calorimeter, the…

A:

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

Q: Carbon tetrachloride can be formed by reacting chlorine with methane. The heat of formation (AH) of…

A: Is the amount of heat which is released when one mole of compound is formed from its constituent…