2. The major source of aluminium in the world is bauxite (mostly aluminium oxide). The thermal decomposition can be written as Al2O3(s) → 2AI(s) + 3/½02(g) What is the enthalpy change when 50.0 g of Al is produced? AH = 1676.0 kJ

Q: A student burns a 0.452 g sample of naphthalene, C10H8, in a bomb calorimeter. The combustion…

A: Given: Mass of naphthalene i.e C10H8 burned = 0.452 g Change in temperature of calorimeter = 2.961…

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A: According to Hess’s law of constant heat summation, the total enthalpy change for a reaction is the…

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

A:

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Mass of acetic acid = 1.09 g ∆T = 27.95 - 24.3 = 3.65 oC

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A:

Q: c) Petroleum gas is a fuel that contains propane, C,H. Why does the following equation not represent…

A: Given: The reaction given does not represent a standard enthalpy change of combustion reaction.

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Heat absorbed by water  = mass × specific heat capacity × Temperature change  Heat absorbed by…

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

A:

Q: When 15.3 g of sodium nitrate, NaNO, (85 g/mol), was dissolved in water in a constant-pressure…

A:

Q: 11. The combustion of 1.00 mole of glucose, CoH12Oe, liberates 1.90 x 10³ kJ of heat. If 2.30 g of…

A: Given data 1.00 mole of glucose, (C6H12O6 ) liberates 1.90 x 103 kJ of heat , Molar combustion heat…

Q: Coal gasification converts coal into a combustible mixture of carbon monoxide and hydrogen, called…

A: The chemical reaction is, H2O(l) + C(s) → CO(g) + H2(g)  Calculate ∆H for this reaction ?

Q: THERMODYNAMICS: A 1.01 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Given, Mass of Acetic acid = 1.01 g Heat capacity of calorimeter = 2.67 KJ /◦ c  Temperature…

Q: Consider the following reaction equation of combustion of glucose, C6H12O6: a. Calculate the…

A: Mass of Glucose = 5.25 g C6H12O6 (s) + 6O2(g) ------> 6CO2(g) + 6H2O(g)

Q: THERMODYNAMICS: A 1.42 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Given: Mass of acetic acid combusted = 1.42 g. Initial temperature = 22.41 oC Final temperature =…

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.7 g…

A:

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

A:

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A: According to Hess's law  The enthalpy of a reaction is the same whether if it takes place in one…

Q: THERMODYNAMICS: A 1.17 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A: Given: 1.17 g of acetic acid is burnt in oxygen in a calorimeter.

Q: 3. When a student mixes 50 mL of 1.0 M HCI and 50 mL of 1.0M NaOH in a coffee- cup calorimeter, the…

A: given - 50 ml of 0.1 HCl  50 ml. of 0.1 NaOH density = 1 g/ml specific heat = s = 4.18 J/g K initial…

Q: Part A Chemical energy is released or absorbed from reactions in various forms. The most easily…

A:

Q: 2. The reaction of hydrochloric acid, HCl and sodium hydroxide, NaOH in water is an exothermic…

A: Given, Volume of HCl & NaOH solution = 50.0 mL Concentration of HCl & NaOH solution = 1.00 M…

Q: When 3.12 g of glucose, C6H12O6, is burned in a bomb calorimeter, the temperature of the calorimeter…

A: Given: Mass of glucose     = 3.12 g Mass of water        = 775 g Initial temperature of calorimeter…

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

A:

Q: If the complete reaction of 45.0 g of B(s) requires 74.93 kJ of heat to be absorbed from the…

A:

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

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.36 kg sample…

A: Given: Mass of sampleC4H6O2=1.36 kg T1=48.6οC T2=61.7οC Q=2.79×104 J To find: Molar heat capacity…

Q: Ozone, O3(g), forms from oxygen, O2(g), by an endothermic process. Ultraviolet radiation is the…

A: the standared enthalpy of formation of ozone is equal to the enthaply of formation of 1 mole of…

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.98 g…

A:

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

A:

Q: Methanol, CH3OH(g), is a possible automobile fuel. The alcohol produces energy in a combustion…

A:

Q: 6. Carbon Tetrachloride, CCI4, was a very popular organic solvent until it was found to be toxic.…

A:

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A:

Q: 8. Titanium reacts with iodine to form titanium (III) iodide, emitting heat. 2Ti(s) + 31,(g)→…

A: Atomic mass of Ti = 47.87 g/mol Atomic mass of I2 = 253.8 g/mol Given thermochemical equation 2Ti(s)…

Q: The addition of 3.15 g of Ba(OH)2∙8H2O to a solution of 1.52 g of NH4SCN in 100 g of water in a…

A: Given that : Mass of BaOH2.8H2O (m1) = 3.15 g Mass of NH4SCN (m2) = 1.52 g Mass of water (m3)  = 100…

Q: Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen…

A: Given data is as follows: N2(g) + 3H2(g) → 2NH3(g)                              ∆H1=-92 kJ…

Q: When 10.00 g of phosphorus is burned in O2( g) to form P4O10(s), enough heat is generated to raise…

A: Given; M = 10.0 g c = 4.2jgC ∆T = (38-18)oC

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: When a piece of unknown metal weighing 63.40 grams, and at a temperature of 87.80 °C, is placed in a…

A: We will use calorimetry principle

Q: 6 & 7. Consider the following reaction: 2 CH,OH (g) → 2 CH(9) + O2 (g), AH = + 252.8 kJ a) Is this…

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: 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: What is the work done by a system when it absorbs 47 J of heat and gains 12 J of energy? How much…

A: Since you have posted multiple question , we will solve first one for you. To get the remaining…

Q: When octane, C3H18, undergoes combustion the following reaction occurs: --C8 H8 + -O2 → _CO2 +…

A: Here mass of water is 700g because as we know density of water is 1g/ml.

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.88 kg sample…

A:

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

A:

Q: The addition of 3.15 g of Ba(OH)2-8H20 to a solution of 1.52 g of NHASCN in 100 g of water in a…

A:

Q: THERMODYNAMICS: A 1.96 g sample of acetic acid (HC;H3O2) was burned in excess oxygen in a bomb…

A: