A reaction is carried out in a constant pressure calorimeter and the heat of the CALORIMETER is measured to be +72. 3 kJ. Which of the following is true?

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

A:

Q: A 1.45 g sample of acetic acid , HC2H3O2 was burned in excess oxygen in a bomb calorimeter. The…

A: We have to predict the heat of combustion.

Q: A 40.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A: According to thermodynamics, the heat released by the hot metal equals the heat absorbed by the…

Q: A 3.527 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given,  Mass of the sample = 3.527 g  Initial temperature = Ti = 24.87 0C  Final temperature = Tf =…

Q: A 3.619 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: In a calorimeter, heat absorbed by calorimeter and the heat released by the substance is equal.Heat…

Q: When 50.0 mL of 1.20 M of HCl(aq) is combined with 50.0 mL of 1.30 M of NaOH(aq) in a coffee-cup…

A:

Q: 1.45 grams sample of acetic acid, HC2H3O was burned in excess oxygen in a bomb calorimeter. The…

A: moles of acetic acid = 1.45 g / 60.05 g mol-1 =0.02414 mol heat released is equal = q1 heat absorbed…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 225. kJ during a…

A: a.) To Calculate the change in energy of the gas mixture , we would use first law of thermodynamics.…

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: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A:

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Let us take the initial temperature of all components are at room temperature, i.e., 250C (298 K)…

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

A:

Q: constant-pressure calorimetry experiment, 27.0 mL of 1.00 M HCIO, was mixed with 27.0 mL of 1.00 M…

A: The constant pressure calorimeter is used to measure the change in enthalpy,∆H for a chemical or a…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 369. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: A piece of metal weighing  5.10 gg   at a temperature of  48.5 ∘C∘C   was placed in a calorimeter in…

A:

Q: As a system in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 385. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

A:

Q: In a constant-pressure calorimetry experiment, a reaction gives off 21.8 kJ of heat. The calorimeter…

A: The given data contains, heat = 21.8 kJ. mass = 150 g. Initial temperature= 23.40C.

Q: A 1.110-g sample of benzoic acid (HC7H5O2; molar mass = 122.12 g/mol) is burned in an excess of…

A: This problem can be solved by using the equation :                             q=mc∆Twhere q is the…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 222. kJ during a…

A: The enthalpy change of the given reaction is = +222. kJ The work done by the gas mixture is =-167.…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 301. kJ during a…

A: Work done on mixture = - 104 kJ ∆U = +301 kJ

Q: A certain chemical reaction releases 269. kJ of heat energy per mole of reactant consumed. Suppose…

A: Given the enthalpy of the reaction is 269. kJ/mol The required conversion factor from the enthalpy…

Q: A quantity of 85.0 mL of 0.600 M HCl is mixed with 85.0 mL of 0.600 M KOH in a constant-pressure…

A: The balanced thermochemical equation is written as, HClaq+KOHaq→H2O+KClaq   ∆H°=-56.2 kJ/mol The…

Q: 48  A 1.45 g sample of acetic acid , HC2H3O2 was burned in excess oxygen in a bomb calorimeter. The…

A: 1.45 g sample of acetic acid was burned in excess oxygen in a bomb calorimeter.Heat capacity of…

Q: 13 H24 O4) is burned completely in calorimeter is surrounded by 1.165 che combustion the temperature…

A:

Q: In an experiment, a 0.4481 g sample of 2-naphthylacetic acid ( C12 H10 O2) is burned completely in a…

A: The molar heat of combustion = 5993.7736 KJ/mol