During the combustion of 5.00 gg of octane, C8H18C8H18, 239.5 kcalkcal (1002 kJkJ) is released. what is the balanced equation for the combustion reaction? How much energy (in kJkJ) is released by the combustion of 1.21 molmol of C8H18C8H18 ? How many moles of octane must be burned to release 442.4 kcalkcal ? How many kilocalories are released by the combustion of 18.3 gg of C8H18C8H18 ?

Q: How many kilograms of ethyl alcohol at a temperature of 78.5°C can be boiled when 522 kcal of heat…

A:

Q: For a particular isomer of C8H18,C8H18, the combustion reaction produces 5093.7 kJ5093.7 kJ of heat…

A: For a particular isomer of C8H18, the combustion reaction produces 5093.7 kJ of heat per mole of…

Q: The formation of rust (Fe2O3) from solid iron and oxygen gas releases -1.7  103 kJ. 4 Fe(s) + 3…

A: The question is about to calculate the mass of rust formed when 150 kcal are released -

Q: Calculate the standard enthalpy for the reaction: 4NH3(g) + 502(g) - 4NO(g) + 6H20(g), given the…

A: Enthalpy change for a reaction (∆H) depends on Stoichiometry of the reaction  If a chemical…

Q: 5. Given the following data calculate AH for the reaction: NO (g) + 0 (g) → NO2 (g) Data 202(g) →…

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

Q: a sample of octane is burned in a bomb calorimeter containing 1.00 x 10^2 g H2O. If the water temp…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: Combustion reactions are exothermic. The heat of reaction for the combustion of 2-methylhexane,…

A:

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: Given The enthalpy of combustion of this compound is 291kcal mol-1. The density is 0.476g mL-1. The…

Q: Calculate the amount of heat produced when 6.753 L of liquid glycerol (C3H8O3) is burned in excess…

A:

Q: How many moles of O2 are needed to burn 1.45 mol of C8H18? Express the amount in moles to three…

A: The combustion of octane is given as

Q: The enthalpy of combustion of benzoic acid is -26.4 kJ/g. What is the enthalpy of combustion…

A:

Q: If C + O2 CO2 + 90kcal H2 + 02 H20+ 60kcal CH4 + 202 - CO2 +2H2O+ 210 kcal Then the possible heat of…

A:

Q: If an athlete expends 2241 kJ/h, how long does she have to play to work off 1.00 lb of body fat?…

A: The solution is given below -

Q: If the heats of combustion of methanol and carbon monoxide at 18 °C are -173.7 kcal/mol and -67.6…

A: Heat of combustion of CO = -67.6 kcal/mol  Heat of combustion of methanol = -173.7 kcal/mol

Q: Suppose you burn a 2.6 g sample of potato chips. You use the heat given off from that process to…

A: Given: The mass of the potato chips burned = 2.6 g The amount of water = 26.0 g The initial…

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: We have given that  The enthalpy of combustion of this compound is 282kcal/mole  The density is…

Q: Write a balanced chemical reaction for the incomplete combustion of propane, C3H8

A: complete combustion  complete combustion of hydrocarbons take place in presence of enough supply of…

Q: The experimental ?H is -213 kcal/mol. How much heat is released during the combustion of 45.3 grams…

A: We have to find the heat released

Q: Oxygen can be converted into ozone by the action of lightning or electric sparks: 302(g) 2 20;(g)…

A: Solution- Given data-3 O2 (g)⇌ 2O3(g)∆H=68kcalmol(285 kJ/mol)k=2.68×10-29 at 290C

Q: Calculate the standard enthalpy for the reaction: 4NH:(g) + 5O:(g) → 4NO(g) + 6H;O(g), through:…

A:

Q: 7. (SF) Consider the following reaction: C2HO1(aq) + 8 KCIO:(aq) → 12 CO:(g) + 11 H.O(1) + 8 KCI(aq)…

A:

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: Given the density of the unknown organic compound, d = 0.376 g/mL Given the volume of the unknown…

Q: Calculate the standard enthalpy for the reaction: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g), given the…

A: Given: (1) N2(g) + O2(g) → 2NO(g); ΔHrxn = -43.1 kcal mol-1  (2) N2(g) + 3H2(g) → 2NH3(g); ΔHrxn =…

Q: How much energy in kilocalories and joules is emitted by the complete combustion of 1.5 mol of…

A: (The given formula C6H18 is wrong not matches to isooctane, considered the correct formula for…

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: Get ven density of the compound= 0.286 g/ml , Mass of 0.17L =170 ml of compound = density×volume=…

Q: Calculate the standard enthalpy for the reaction: 4NH3(g) + 502(g) - 4NO(g) + 6H2O(g), given the…

A: Enthalpy change of a reaction is an extensive property, it depends on stoichiometry of the chemical…

Q: Calculate the amount of heat produced when 6.753 L of liquid glycerol (C3H8O3) is burned in excess…

A:

Q: 5.78 Diethyl ether, C4H100(1), a flammable compound that was once used as a surgical anesthetic, has…

A: The standard enthalpy change of formation is the change in enthalpy occurring in the formation of 1…

Q: Calculate the standard enthalpy for the reaction: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g), given the…

A: Hess's law states that the enthalpy change for an overall reaction is the sum of enthalpy changes of…

Q: Given the following information, calculate the energy (in kcal) required to convert one ic cube that…

A: Mass of ice = 36 g Initial temperature = -18oC Final temperature = 37oC Number of moles of ice = 36g…

Q: For a particular isomer of C8H18,C8H18, the combustion reaction produces 5113.3 kJ5113.3 kJ of heat…

A: Given: ∆Hrxn is -5113.3 kJ/mol The other values are used from the internet for reference as they are…

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A:

Q: 50.0 mL of 2.03 M NaOH(aq) is mixed with 50.0 mL of 2.20 M HCl in a Styrofoam calorimeter.…

A:

Q: What would be the heat of combustion of C4H10(g) if the heats of formation of C4H10(g), CO2(g), and…

A: Heat of combustion :- The amount of heat released by the when one mole of a substance is burnt in…

Q: 2. How much heat is absorbed during photosynthesis when 9.22 grams of glucose C6H12O6 is produced?…

A: Given that -  Balanced chemical reaction -  6CO2 + 6H2O ----> C6H12O6 + 6O2  , ∆H = +2803 kJ…

Q: Using the following equation for conversion of octane, calculate the heat associated with the…

A:

Q: . A 25.00 gram sample of barium chloride was dissolved in 75.00 grams of water. If the calorimeter…

A: The question is based on the concept of chemical thermodynamics. we have to calculate heat produced…

Q: A fuel is analyzed and found to contain 80% C, 14% H, 5% S and the balance being N. What is the HCV…

A: A numerical problem based on energy that is to be accomplished.

Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

A: Enthalpy of Combustion: The heating value (or energy value or calorific value) of a substance, is…

Q: How many moles of CO2 are produced when 0.735 moles of isopropanol are burned?

A: Isopropanol combustion : 2C3H7OH (l) +9O2(g) ---> 6CO2(g) + 8H2O(g) Number of moles of…

Q: Question 4

A: Given:Volume of NaOH = 100 mlMolarity of NaOH = 0.500 MKc, is 55.0 J/CTemperature goes from 11.0C to…

Q: unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of combustion…

A: Enthalpy of combustion is the energy released or absorbed during the combustion reaction of any…

Q: The following equation shows the reaction that occurs when nitroglycerine 3. 12 CO2 + 6 explodes: 4…

A: Given reaction that occurs when nitroglycerine explodes is 4 C3H5O9N3 →12 CO2 + 6 N₂ + O2 + 10 H₂O +…

Q: A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the…

A: Given, energy expend while sleeping =0.45 Cal/ lb h Weight of the person = 171 lb  tile length of…

Q: The formation of 75.0 g75.0 g of O2 results in the absorption of 1930 kJ1930 kJ of heat. the…

A: Balanced Reaction 2Fe2O3 ⟶ 4Fe+3O2 ΔH°rxn =+824.2 kJ Fe2O3 produces iron and oxygen on heating. This…

Q: Combustion reactions are exothermic. The heat of reaction for the combustion of cyclopentane, C;H10,…

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

Q: During the combustion of 35.0 g of pentane, C5H12, 627.4 kcal is released?

A: Hydrocarbons are combustion to give carbon dioxide, water and release heat energy. Given hydrocarbon…

Q: Question 3

A: Given,Mass of barium chloride = 25gMass of water = 75gCalorimeter constant = 120J/degree Celsius.

Q: If Great Lakes Christmas Ale is about 7.5 ethanol ABV (alcohol by volume) it actually about 6% ABW…

A: Given : % w/v of alcohol = 6 % = 6 g/100 mL Volume of alcohol = 500 mL And caloric content of…