Given the AH°f and S° values below, what is the boiling point of Br2? So AH°f (kJ/mol) (J/ mol K) Br2(1) -239 127 Br2(8) -201 240 O 273 K 336 K 373 K 1199 K O 2.1 K

Q: An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. AH°F…

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Q: Carbon monoxide is produced industrially from the reaction shown below. If producing CO requires…

A: CH4 + H2O -> CO + 3H2 One mole CH4 required 206.11 kJ Weight of H2= 1000 kg = 1000× 1000 gm…

Q: If 27.5 g of MgCl₂ are dissolved 500.0 g of water at 20.0 °C in an insulated container, a…

A: Given that, The mass of the MgCl2 is 27.5 g. The mass of the water is 500.0 g. So, the total mass of…

Q: Substance D has the following properties: ΔHvap = 30.5 kJ/mol ΔHfus = 5.9 kJ/mol Tb = 89.4 °C Tm…

A: Mass of substance =107.6 grams Molar mass of substance =75 grams Numbe rof moles of substance=Mass…

Q: 4) The table below contains thermodynamic values for water (H20) and for methane (CHA). Water…

A: The enthalpy of fusion (∆Hf) is termed as the quantity of energy that must be supplied to convert…

Q: You are studying the decomposition of CaCO3(s). CaCo3(s) → Cao(s) + CO2(g) At what temperature does…

A: The reaction given is

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

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Q: 11. Using Hess's Law, determine AH for the following reaction, likewise, note if the reaction is…

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Q: ÇN 1) ÕH heat 2) OH . HN- OH %3D

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Q: Given the data below, H°rxn for the reaction 2SO2(g)+O2(g) —> 2SO3(g) is ______ kJ ΔH°f(SO2(g))=-297…

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Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Given reactions are  1) CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l),…

Q: 2SO2 (9) + O2 (g)* → 2SO3 (9)

A: Energy of products – Energy of reactants = Δ H

Q: The AHvap of a certain compound is 40.91 kJ · mol-¹ and its A.Svap is 52.05 J · mol¯¹ . K¯¹. What is…

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Q: Carbon disulfide, CS2, is a colorless, toxic, highly volatile, and flammable liquid. What is the…

A: Given, CS2(l) ➝ CS2(g) ; ∆H° = ? ∆Hf°[CS2(l)] = 89.7 kJ/mol ∆Hf°[CS2(g)] = 116.9 kJ/mol Heat of…

Q: It requires ____ kJ of heat to boil 7.5 grams of methanol (CH3OH) at its boiling point. The ΔHvap of…

A: We need to calculate amount of heat required to boil given quantity of methanol at its boiling…

Q: Using the data to the right, calculate the standard enthalpy change. Mt(s) + ½ O2(g) → MtO(s)…

A: The reaction given is

Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

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Q: Determine the enthalpy change in the following equation: 2 NH3(g) → N2(g) + 3 H2(g) AH°f NH3(g)…

A: Chemical equation for the formation of ammonia: 1/2N2  +  3/2H2  ----->  NH3   ∆Hof = -46.11…

Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Hess’s law of constant heat summation- Change in enthalpy for a reaction is independent on path or…

Q: Using the thermodynamic information: 1/2 N2(g) + 1/2 02(g)--> N0(g) delta H degrees = 90.4 kJ/mol…

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Q: Fermentation of glucose produces ethyl alcohol and carbon dioxide; C 6H 12O 6(l) → 2 C 2H 5OH(l) + 2…

A: The fermentation of the species glucose can be decomposed into the species carbon dioxide along with…

Q: 50.0 mL of hot water (49.6 oC) is added to 50.0 mL of cold water (24.7 oC).  Upon mixing the water…

A: Mass of hot water = 50 mL =50g Temperature of hot water = 49.5°C Mass of cold water = 50 mL = 50 g…

Q: Ethanol, C₂H5OH, is used to introduce oxygen into some blends of gasoline. It has a heat of…

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Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: Based on the reactions: 1. 2NO2 (2)→N204 (g) AH1 =- 57.2 kJ 2. 2NOg) + 02 (g)→2NO2 (2) AH2 = -114.1…

A: By Hess's law : Required equation = equn 1 + equn 2 ∆H = ∆H1  + ∆H2         = -57.2 + ( -114.1 )…

Q: Based on the thermodynamic properties provided for methanol (below), select from the following list…

A: Given : Mass of methanol = 5.0 Kg = 5000 g Initial temperature of methanol = -64 oC Final…

Q: Using the following thermochemical data:   2Sb(s) + 6HF(g) → 2SbF3(s) + 3H2(g)           ΔH° =…

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Q: Consider the following thermochemical data: Cl2(g) → 2Cl(g) ΔH° = 242.3 kJ I2(g) → 2l(g) ΔH° =…

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Q: Consider the following thermochemical equations: C (diamond) + O2 (g) --> CO2 (g) ΔH° = –395.4 kJ 2…

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Q: What is the quantity of heat evolved at constant pressure when 30.5 g H2O(l) is formed from the…

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Q: The specific heat capacity of water is _____.     (g x °C)/1 cal °C/(g x 1 cal) 1 cal/(g x °C) g/(1…

A: The specific heat capacity denoted by Cp is the amount of energy that must be supplied to 1 unit…

Q: Determine the ΔH for the reaction: IF5(g) → IF3(g) + F2(g) using the data below.             IF(g)…

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Q: What is the enthalpy change when 8.20 moles ammonium chloride form in the following equation? N2…

A: Balanced Reaction N2 (g) + 4 H2 (g) + Cl2 (g) --> 2 NH4Cl (s)    Now this reaction is an…

Q: An engine generates 15.7 g of nitric oxide gas during a laboratory test. How much heat was absorbed…

A: Given -> N2(g) + O2(g) ---> NO(g) ∆H°= 180.5 KJ ---- (1)  Weight of NO = 15.7 gm

Q: Find ∆H, ∆E, q, and w for the freezing of water at -10.0°C. The specific heat capacity of ice is…

A: Given:  Specific heat of ice = 2.04 J/goc Heat of fusion = -332 J/g Determination of delta H: The…