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MISSED THIS? Read Section 15.4 (Pages 642 - 649) : Watch KCV...
MISSED THIS? Read Section 15.3 (Pages 637-642); Watch KCV 15.3, IWE 15.2. Experimental data for the...
MISSED THIS? Read Section 15.3 (Pages 637-642); Watch KCV 15.3, IWE 15.2. Experimental data for the reaction 2NO2(g) + F2(g) + 2NO2F(g) are given in the table below. (NO2) (M) (F2] (M) Initial rate (M/s) 0.100 0.100 0.026 0.200 0.100 0.051 0.200 0.200 0.103 0.400 0.400 0.411 Part A Enter an expression for the reaction rate law. Express your answers in terms of k, (NO2), and (F2). View Available Hint(s) IVO AQ R O O ? rate = Submit
MISSED THIS? Read Section 4.3 (Pages 145-149); Watch KCV 4.3, IWE 4.4 Part A Hydrobromic acid...
MISSED THIS? Read Section 4.3 (Pages 145-149); Watch KCV 4.3, IWE 4.4 Part A Hydrobromic acid dissolves solid iron according to the followiaung reaction What mass of HBr (in g) would you need to dissolve a 3.4-g pure iron bar on a padlock? Express your answer using two significant figures. View Available Hint(s) m Submit
MISSED THIS? Read Section 4.3 (Pages 145 - 149): Watch KCV 4.3, IWE 4.4. Hydrobromic acid...
MISSED THIS? Read Section 4.3 (Pages 145 - 149): Watch KCV 4.3, IWE 4.4. Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2HBr(aq) + FeBrz(aq) + H (E) = 0.12 mol HBO Then, use the molar mass of HBr (80.9 g/mol) as a conversion factor between th of HBr mass HBr = mol HBr x molar mass of HB = 0.12 mol HBr x 80.9 g HB = 9.9 g HB 1 mol HBF Part B...
MISSED THIS? Read Section 14.6 (Pages 601 - 613); Watch KCV 14.6, IWE 14.9. Calculate the...
MISSED THIS? Read Section 14.6 (Pages 601 - 613); Watch KCV 14.6, IWE 14.9. Calculate the freezing point and boiling point of a solution containing 12.4 g of naphthalene (C10H8) in 105.0 mL of benzene. Benzene has a density of 0.877 g/cm Part A Calculate the freezing point of a solution. (K: (benzene) = 5.12 °C/m.) Express your answer in degrees Celsius to one decimal place. O ASC O O ? Ts = Submit Request Answer Part B Calculate the...
MISSED THIS? Read Section 7.4 (Page), Watch KCV 7.4, IWE 7.3 Part A A silver block,...
MISSED THIS? Read Section 7.4 (Page), Watch KCV 7.4, IWE 7.3 Part A A silver block, initially at 60.0 °C, is submerged into 100.0 g of water at 24.8 °C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.7 °C. The specific heat capacities for water and silver are water-4.18 J/( 8°C) and C ilver 0.235J/(8.°C). What is the mass of the silver block? Express your answer to two significant figures and include...
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4....
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4. , T = 291 K Calculate the change in Gibbs free energy for each of the following sets of AHFxn, ASixn, and T. (Assume that all reactants and products are in their standard states.) AHEX= -90. KJ, ASPX -146 J/K Express your answer as an integer. Be OID ? AG fxn= kJ Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining...
Review MISSED THIS? Read Section 44(Pages 149-155) Watch KCV 4 4. WE 46 Elemental phosphorus reacts...
Review MISSED THIS? Read Section 44(Pages 149-155) Watch KCV 4 4. WE 46 Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + 6C ( -4PCI(1) A reaction mixture initially contains 45 27P and 130.5 g Cl Part A of the excessa ris Once the reaction has reached completion what mass in Express the mass in grams to three significant figures. View Available Hints) O AE = om? Sub
MISSED THIS? Read Section 16.6 (Pages 696-699); Watch IWE 16.5. Consider the following reaction: S02Cl2 (g)...
MISSED THIS? Read Section 16.6 (Pages 696-699); Watch IWE 16.5. Consider the following reaction: S02Cl2 (g) SO2(g) + Cl2 (g) A reaction mixture is made containing an initial [SO2Cl2] of 2.3x10-2 M. At equilibrium, [Cl2] = 1.3x10-2 M Part A Calculate the value of the equilibrium constant (Ke). Express your answer to two significant figures. νη ΑΣφ ? Request Answer Submit Provide Feedback
MISSED THIS? Read Section 7.4 (Pages 276 - 278); Watch KCV 7.4, IWE 7.3 Two substances,...
MISSED THIS? Read Section 7.4 (Pages 276 - 278); Watch KCV 7.4, IWE 7.3 Two substances, A and B. which are of equal mass but at different temperatures, come into thermal contact. The specific heat capacity of substance B is three times larger than the specific heat capacity of substance Which statement is true of the temperature of the two substances when they reach thermal equilibrium? (Assume no heat loss other than the thermal transfer between the substance The final...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155),...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155), Watch KCV 4.4, IWE 46 Part A Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + Ch. (e) 4PCS() A reaction mixture initially contains 45.53 g P, and 131.5 Cla Once the reaction has reached completion what massing of the excess reactant is let? Express the mass in grams to three significant figures. View Available Hints) EVO AE + ? Submit...
MISSED THIS? Read Section 15.3 (Pages 637-642); Watch KCV 15.3, IWE 15.2. Experimental data for the reaction 2NO2(g) + F2(g) + 2NO2F(g) are given in the table below. (NO2) (M) (F2] (M) Initial rate (M/s) 0.100 0.100 0.026 0.200 0.100 0.051 0.200 0.200 0.103 0.400 0.400 0.411 Part A Enter an expression for the reaction rate law. Express your answers in terms of k, (NO2), and (F2). View Available Hint(s) IVO AQ R O O ? rate = Submit
MISSED THIS? Read Section 4.3 (Pages 145-149); Watch KCV 4.3, IWE 4.4 Part A Hydrobromic acid dissolves solid iron according to the followiaung reaction What mass of HBr (in g) would you need to dissolve a 3.4-g pure iron bar on a padlock? Express your answer using two significant figures. View Available Hint(s) m Submit
MISSED THIS? Read Section 4.3 (Pages 145 - 149): Watch KCV 4.3, IWE 4.4. Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2HBr(aq) + FeBrz(aq) + H (E) = 0.12 mol HBO Then, use the molar mass of HBr (80.9 g/mol) as a conversion factor between th of HBr mass HBr = mol HBr x molar mass of HB = 0.12 mol HBr x 80.9 g HB = 9.9 g HB 1 mol HBF Part B...
MISSED THIS? Read Section 14.6 (Pages 601 - 613); Watch KCV 14.6, IWE 14.9. Calculate the freezing point and boiling point of a solution containing 12.4 g of naphthalene (C10H8) in 105.0 mL of benzene. Benzene has a density of 0.877 g/cm Part A Calculate the freezing point of a solution. (K: (benzene) = 5.12 °C/m.) Express your answer in degrees Celsius to one decimal place. O ASC O O ? Ts = Submit Request Answer Part B Calculate the...
MISSED THIS? Read Section 7.4 (Page), Watch KCV 7.4, IWE 7.3 Part A A silver block, initially at 60.0 °C, is submerged into 100.0 g of water at 24.8 °C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.7 °C. The specific heat capacities for water and silver are water-4.18 J/( 8°C) and C ilver 0.235J/(8.°C). What is the mass of the silver block? Express your answer to two significant figures and include...
Part A MISSED THIS? Read Section 19.6 (Pages 863 - 867); Watch KCV 19.6, IWE 19.4. , T = 291 K Calculate the change in Gibbs free energy for each of the following sets of AHFxn, ASixn, and T. (Assume that all reactants and products are in their standard states.) AHEX= -90. KJ, ASPX -146 J/K Express your answer as an integer. Be OID ? AG fxn= kJ Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining...
Review MISSED THIS? Read Section 44(Pages 149-155) Watch KCV 4 4. WE 46 Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + 6C ( -4PCI(1) A reaction mixture initially contains 45 27P and 130.5 g Cl Part A of the excessa ris Once the reaction has reached completion what mass in Express the mass in grams to three significant figures. View Available Hints) O AE = om? Sub
MISSED THIS? Read Section 16.6 (Pages 696-699); Watch IWE 16.5. Consider the following reaction: S02Cl2 (g) SO2(g) + Cl2 (g) A reaction mixture is made containing an initial [SO2Cl2] of 2.3x10-2 M. At equilibrium, [Cl2] = 1.3x10-2 M Part A Calculate the value of the equilibrium constant (Ke). Express your answer to two significant figures. νη ΑΣφ ? Request Answer Submit Provide Feedback
MISSED THIS? Read Section 7.4 (Pages 276 - 278); Watch KCV 7.4, IWE 7.3 Two substances, A and B. which are of equal mass but at different temperatures, come into thermal contact. The specific heat capacity of substance B is three times larger than the specific heat capacity of substance Which statement is true of the temperature of the two substances when they reach thermal equilibrium? (Assume no heat loss other than the thermal transfer between the substance The final...
Exercise 4.46 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 4.4(Pages 149. 155), Watch KCV 4.4, IWE 46 Part A Elemental phosphorus reacts with chlorine gas according to the equation P.(s) + Ch. (e) 4PCS() A reaction mixture initially contains 45.53 g P, and 131.5 Cla Once the reaction has reached completion what massing of the excess reactant is let? Express the mass in grams to three significant figures. View Available Hints) EVO AE + ? Submit...
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