For the problems below, write a balanced equation and then use dimension analysis to solve for the unknown value. Benzoic acid (C7H6O2) undergoes combustion to release 3844 kJ of energy per mole. Using a balanced equation, calculate the energy released when 20.75 g of benzoic acid undergo combustion.

Q: The combustion of 0.1582 g benzoic acid increases the temperature of a bomb calorimeter by 2.58°C.…

A: we have to calculate heat capacity of calorimeter  energy of combustion per gram of vanillin…

Q: Which of the following equations is an exothermic reaction?   a H2 (g) + ½ O2 (g) → H2O (l) ΔH =…

A: Exothermic reaction Reaction in which Energy is released so it is exothermic reaction.

Q: Nitromethane (CH3NO2) burns in air to produce significant amounts of heat.…

A: Molar mass of nitromethane = 61.04 g/mol

Q: A sample of a hydrocarbon is completely combusted in presence in O2(g) to produce 21.83 g carbon…

A: Given:Mass of carbon dioxide=21.83 gMass of water=4.47 gHeat=311 KJa). To find the mass of…

Q: The standard enthalpy of formation of CO(g) is –111 kJ/mol [refer to this equation C(s) + 1/202g) →…

A: Interpretation -  To determine the enthalpy (∆Ho) for the reaction which is given as - 2C(s) + O2…

Q: Please don't use hend raiting and step by step solutions

A: Step 1: Regardless of the number of steps required to achieve the reaction, the change in enthalpy…

Q: Given the thermochemical equation below. Calculate the heat evolved when 53.2 g of C3H8 ( molar mass…

A:

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

A: Given;

Q: Methane (CH4) is the major component of natural gas. 40.0 grams of methane were placed in a…

A: Quality of a fuel is compared by calorific value of fuel. Calorific value of a fuel is per gram…

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: When glucose (C6H12O6) is combusted, it produces CO2 (g) and H2O (l). What is the enthalpy for the…

A: The change in the enthalpy of a reaction when the reactant is converted into product under standard…

Q: Which one of the following statements is not true concerning the equation below? N2(g) + 3 H2(g) → 2…

A: Since, heat is released in this reaction so this is an exothermic reaction. And mol ratio of N2 and…

Q: The combustion of 0.1595 g benzoic acid increases the temperature of a bomb calorimeter by 2.52°C.…

A: Given data is as follows: Mass of benzoic acid is 0.1595 g Energy released by benzoic acid is 26.42…

Q: The reaction between nitrogen and oxygen gases require the absorption of 43 kJ of energy per mole of…

A:

Q: 2CH3OH(g)→2CH4(g)+O2(g),ΔH=+252.8 kJ   For a given sample of CH3OH, the enthalpy change during the…

A: Given,For a sample of CH3OH, the enthalpy change during the reaction is 82.9 kJ.

Q: How much heat is released when 6.00 g of methane is combusted using the reaction below? CH4 + 2O2 →…

A: The given reaction is: CH4+2O2→CO2+2H2O Calculation of no. of mol of methane: No. of mol=given…

Q: when butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

A: When butane (C4H10) in a cigarette lighter undergoes combustion, it evolves 2880 kJ per mole of…

Q: constant volume, the heat of combustion of a particular compound, compound A, is −3520.0…

A:

Q: According to the following reaction, how many grams of hydrogen would be needed to produce 5.450 x…

A: In this question, we want to determine the mass of Hydrogen gas in grams unit.  You can see details…

Q: Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail…

A: Given, Equation of Combustion of acetone (C3H6O), C3H6O (l) + 4O2(g)  ➝ 3CO2(g) + 3H2O(g) ∆Hrxn =…

Q: standard enthalpy

A:

Q: Determine the enthalpy of reaction for 2CH4(g) → C2H«(g) + 2H2(g) using the equations: 2C2H6(g) +…

A:

Q: In an industrial process to produce ammonia (NH3); nitrogen, N2, reacts with hydrogen, H2, the…

A: Ammonia can be produced in an industry with the help of nitrogen and hydrogen gas, and this process…

Q: When 1 mole of 12(g) reacts with Cl₂(g) to form ICI(g) according to the following equation, 26.8 kJ…

A: Recall the given equation,                                I2 g  +  Cl2 g  →  2 ICl gWhen 1 mole of…

Q: What mass of O2 in grams can be produced when 250.0 kJ of heat was supplied? (MM O2 = 32.00 g/mol)…

A:

Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

A:

Q: The heat of combustion, ΔH°c , of acetone, C3H6O, is -1790.4 kJ/mol. How many kilojoules of heat are…

A:

Q: At constant volume, the heat of combustion of a particular compound, compound A, is −3046.0…

A: According to the question, The mass of compound A = 1.753 gThe molar mass of the compound A = 112.07…

Q: Using these reactions and enthalpies calculate the enthalpy of reaction for C3H4(g) + 2 H2(g) →…

A: The given reaction can be obtained by adding the first reactions (1), (2)  and the reverse of the…