Homework Answers
Answer:-
The correct answer is given as follows,
The final temperature of both substances will be closer to the initial temperature of substance B than the initial temperature of substance A.
Because the specific heat capacity B is higher than that of A
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MISSED THIS? Read Section 7.4 (Pages 276 - 278); Watch KCV 7.4, IWE 7.3 Two substances,...
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...
MISSED THIS? Read Section 7.4 (Pages 272-278), 7.6 (Pages 281-284); Watch KCV 7.4, 7.6, IWE 7.2,...
MISSED THIS? Read Section 7.4 (Pages 272-278), 7.6 (Pages 281-284); Watch KCV 7.4, 7.6, IWE 7.2, 7.7. Natural gas burns in air to form carbon dioxide and water, releasing heat. CH&(g) +O2(g)->CO2(g) + H20(g) AH 802.3kJ What minimum mass of CH4 is required to heat 50.0 g of water by 24.0 °C? (Assume 100% heating efficiency) (For water.C 4.18 J/g "C). o 10.0 g e 0.100 g o 9.97 g 2.50 x 10 g Request Answer Submit
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium....
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. Substance B has a specific heat capacity that is two times that of substance A. The mass of substance A is two times the mass of substance B. Which statement best describes the final temperature of the two substances after they are allowed to reach thermal equilibrium? The final temperature will be midway between the initial temperatures of the two substances The relative final...
Find the final temperature Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 2...
Find the final temperature
Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 272 - 278) : Watch KGV 7.4, IWE 7.3. A 31.2 g wafer of pure gold initially at 69.5 °C is submerged into 63.6 g of water at 26.9 °C in an insulated container.
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 7.4 (Pages 272-278). A gas is compressed from an initial volume of...
MISSED THIS? Read Section 7.4 (Pages 272-278). A gas is compressed from an initial volume of 5.45 L to a final volume of 1.24 L by an external pressure of 1.00 atm. During the compression the gas releases 124 J of heat. Part A What is the change in internal energy of the gas? Express your answer to three significant figures. VOAESD ΔΕ- Request Answer Submit Provide Feedback
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium....
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.38 g and its initial temperature is 20.7 ∘C. The mass of substance B is 25.6 g and its initial temperature is 52.0 ∘C. The final temperature of both substances at thermal equilibrium is 47.0 ∘C. If the specific heat capacity of substance B is 1.17 J/g⋅∘C, what is the specific heat capacity of substance A? Express your...
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass...
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.21 g and its initial temperature is 20.1 ∘C. The mass of substance B is 25.4 g and its initial temperature is 52.2 ∘C. The final temperature of both substances at thermal equilibrium is 47.0 ∘C. If the specific heat capacity of substance B is 1.17 J/g⋅∘C, what is the specific heat capacity of substance A? C = ...
③ 28 of 32 Review Constants Periodic Table Part A Which statement is true of the...
③ 28 of 32 Review Constants Periodic Table Part A 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 substances.) The final temperature of both substances will be closer to the initial temperature of substance A than the initial temperature of substance B. The final temperature of substance A will be greater than the final temperature of substance B. The final temperature...
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 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...
MISSED THIS? Read Section 7.4 (Pages 272-278), 7.6 (Pages 281-284); Watch KCV 7.4, 7.6, IWE 7.2, 7.7. Natural gas burns in air to form carbon dioxide and water, releasing heat. CH&(g) +O2(g)->CO2(g) + H20(g) AH 802.3kJ What minimum mass of CH4 is required to heat 50.0 g of water by 24.0 °C? (Assume 100% heating efficiency) (For water.C 4.18 J/g "C). o 10.0 g e 0.100 g o 9.97 g 2.50 x 10 g Request Answer Submit
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. Substance B has a specific heat capacity that is two times that of substance A. The mass of substance A is two times the mass of substance B. Which statement best describes the final temperature of the two substances after they are allowed to reach thermal equilibrium? The final temperature will be midway between the initial temperatures of the two substances The relative final...
Find the final temperature
Exercise 7.67 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.4 (Pages 272 - 278) : Watch KGV 7.4, IWE 7.3. A 31.2 g wafer of pure gold initially at 69.5 °C is submerged into 63.6 g of water at 26.9 °C in an insulated container.
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 7.4 (Pages 272-278). A gas is compressed from an initial volume of 5.45 L to a final volume of 1.24 L by an external pressure of 1.00 atm. During the compression the gas releases 124 J of heat. Part A What is the change in internal energy of the gas? Express your answer to three significant figures. VOAESD ΔΕ- Request Answer Submit Provide Feedback
③ 28 of 32 Review Constants Periodic Table Part A 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 substances.) The final temperature of both substances will be closer to the initial temperature of substance A than the initial temperature of substance B. The final temperature of substance A will be greater than the final temperature of substance B. The final temperature...
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...
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