Ozone, O3(g), is a form of elemental oxygen that plays an importantrole in the absorption of ultraviolet radiation in thestratosphere. It decomposes to O2(g) at room temperatureand pressure according to the following reaction:2 O3(g) -------> 3 O2(g) ΔH = -284.6 kJ(a) What is the enthalpy change for this reaction per moleof O3(g)?(b) Which has the higher enthalpy under these conditions,2 O3(g) or 3 O2(g)?

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

A:

Q: THERMODYNAMICS: A 1.61 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: 13) Carbon tetrachloride can be formed by reacting chlorine with methane: CH4 + 2 C2 - ca4 + 2 H2…

A: The Heat of Reaction, ΔHºrxn (also known and Enthalpy of Reaction) is the change in the enthalpy of…

Q: THERMODYNAMICS: A 1.61 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A:

Q: For the reaction, N2(g) + 2 O2(g) ➞ 2 NO2(g) , the enthalpy change is 33.9 kJ/mole of NO2 formed.…

A: Enthalpy is a thermodynamic property which is an extensive additive property we are required to find…

Q: 9. Calcium oxide, CaO(s), reacts with carbon as shown. CaO(s) + 3C(s) + 462.3 kJ → CaC2(s) + CO(g)…

A: Calcium oxide, CaO(s), reacts with carbon to form calcium carbide and carbon monoxide. The balanced…

Q: - (6)lf the heat of combustion for a mole of methane (CHA) is -2,200 kJ, how many grams of methane…

A: Given that, Mass of ice = 455g Initial temperature of ice = 0°C Final temperature of water = 88°C…

Q: THERMODYNAMICS: A 1.21 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A:

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.The combustion of methane gas, the principal constituent of natural gas, is represented by the…

A: Recall the given reaction CH4g + 2 O2g → CO2g + 2 H2Ol     ,  ∆H°=-890.3 kJ We have to find the mass…

Q: THERMODYNAMICS: A 1.83 g sample of acetic acid (HC,H30,) was burned in excess oxygen in a bomb…

A:

Q: 4. The combustion of 1.00 mol of liquid octane (C,H13), a component of gasoline, at constant…

A: Given,  Burning of octane then heat release, q = 5.46 x 103 KJ Find,  Enthalpy change for burning 50…

Q: 2. Calculate the molar heat capacity of rhodium, in J/mol.°C, given a specific heat of 0.244…

A:

Q: 9. The evaporation of water is endothermic: H2O (1) → H2O (g) AH°rxn = 44.01 kJ/mol What minimum…

A: H°rxn = 44.01 kJ / mol

Q: When a student mixes 50 mL of 1.0 M HCl and 50 mL of 1.0 M NaOH in a coffee-cup calorimeter, the…

A: Given: Total volume of solution= 100 mL Initial temperature= 21°C Final temperature= 27.5°C

Q: 5. Sand is converted to pure silicon in a three step process. The third step is SiCl,(g) + 2Mg(s) →…

A:

Q: When 2.0 g of CaO is added to 50.0 mL of water at 25.0 °C in a calorimeter, the temperature of the…

A: The reaction taking place is given as, => CaO (s) + H2O (l) --------> Ca(OH)2 (aq) Given :…

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

A:

Q: When a 0.740-g sample of trinitrotoluene (TNT), C,H,NO, is burned in a bomb calorimeter, the…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: A 0.1694 g sample of benzopenone(C13H10O) is burned in a bomb calorimeter that has a heat capacity…

A:

Q: THERMODYNAMICS: A 1.1 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: 2. What is the heat capacity of 25.0 g of ethyl alcohol if its specific heat is 2.42 J/g C?

A: Given is 25.0 g ethyl alcohol  Heat capacity  = Hc = 2.42 J/g°C Specific heat = ?

Q: THERMODYNAMICS: A 1.79 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: A 1.66 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: THERMODYNAMICS: A 1.66 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Mass of acetic acid = 1.66 g Molar mass of Acetic acid = 60g/mol Temperature change = 4.56°C Heat…

Q: THERMODYNAMICS: A 1.81 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

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: Methanol is known to be the simplest alcohol, and is used as  an antifreeze agent, a solvent, a…

A:

Q: A gas expands and does P-V work in the surroundings equal to 279 J. At the same time, it absorbs…

A:

Q: THERMODYNAMICS: A 1.96 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: 5) Ethyl alcohol is produced by the fermentation of glucose, C6H12O6. C6H1206(s)→2 C2H5OH(/) +2…

A:

Q: At 850°C, CaCO3 undergoes substantial decomposition to yield CaO and CO2. Assuming that the ∆H°f…

A: Standard enthalpy of formation of CaCO3 (s) = -1207 KJ/mol Standard enthalpy of formation of CaO (s)…

Q: Consider the reaction below for the combustion of methane (CH4, which is the principal component of…

A:

Q: THERMODYNAMICS: A 1.88 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A: Given: Mass of acetic acid combusted = 1.88 g. Initial temperature = 23.95 oC Final temperature =…

Q: At 850°C, CaCO3 undergoes substantial decomposition to yield CaO and CO2 Assuming that the ΔH°f…

A: The balanced chemical equation is given below, CaCO3(s)→CaO(s)+CO2(g) To calculate  ΔH°f values. Add…

Q: When 50.0 mL of 1.24 M of HCI(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

A:

Q: THERMODYNAMICS: A 1.4 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Given: Mass of acetic acid combusted = 1.40 g. Initial temperature = 22.59 oC Final temperature =…

Q: THERMODYNAMICS: A 1.71 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: 3. A quantity of 2.00 x 10² mL of 0.862 M HCl is mixed with 2.00 x 10² mL of 0.445 M Ba(OH), in a…

A:

Q: In walking 1 km, you use about 100 kJ of energy. Thisenergy comes from the oxidation of foods, which…

A: Given  100 kJ energy is used in 1 km walking Energy comes from oxidation of foods is 30% efficient.…

Q: A scientist measures the standard enthalpy change for the following reaction to be -67.6 kJ :…

A: The expression for the calculation of change in enthalpy is shown below: where; ∆Hproducts =…

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

A:

Q: 25. The standard molar enthalpy of formation of glucose, C,H12Os), is -1274.4 kJ/mol. a) Is the…

A: Standard molar enthalpy of formation of glucose  is the amount of heat energy released or required…

Q: A 1.61 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: Copper metal can be produced by heating copper(II) oxide and hydrogen gas. Another product of the…

A:

Q: When 1.42 g of iron reacts with 1.80 g of chlorine, 3.22 g of FeCl2(s) and 8.60 kJ of heat is…

A: Iron reacts with chlorine to form iron(II) chloride. When 3.22 g of FeCl2s is formed, 8.60 kJ of…