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Question 9 (1 point) Benzene and toluene...
1-Calculate the vapor pressure of a solution of 0.34 mol of cholesterol in 4.4 mol of...
1-Calculate the vapor pressure of a solution of 0.34 mol of cholesterol in 4.4 mol of toluene at 32°C. Pure toluene has a vapor pressure of 41 torr at 32°C. (Assume ideal behavior.) 2-The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 3.60 g of naphthalene (C10H8) in 655 g of benzene (Kf of benzene = 4.90°C/m)? 3-In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.015 g poly(vinyl...
ch.13 answer each of these please What is the boiling point of an aqueous solution that...
ch.13
answer each of these please
What is the boiling point of an aqueous solution that has a vapor pressure of 22.5 torr at 25°C? (Puo 23.78 torn; Kb = 0,512 °C/m). Express your answer using four significant figures. VO AXO ? c A solution contains 10.55 g of unknown compound (non-electrolyte) dissolved in 50,0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -4,35 °C. The mass percent composition of...
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benze...
Need assistance with graph and pre-lab questjons
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benzene and toluene miscible or immiscible? b) What is the boiling point of a benzene-toluene mixture that is 20% benzene? c) What percent benzene is a benzene-toluene mixture that boils at 85°C? 110 100 95 0F-- 85 A" 80 75 0 10 20 30 40 50 60 7o 80 90 100 Molo porcont benzene 2. Refer to the Boiling...
Е. попе E. 0.733 and 1.324 14. the molar mass of toluene is 92.6 gmol, how much tokuene is needed to depress the fr...
Е. попе E. 0.733 and 1.324 14. the molar mass of toluene is 92.6 gmol, how much tokuene is needed to depress the freezing point of 200 g of benzene by 047C? K 5.12 Cm a The vapor pressure of pure water at 26 "C is 25.2 torr. What is he vapor pressure of a solution that contains 16.0 g of glucose (CaHuO) dissolved in 80 g of water? A. 1.7g A. 14.1 tor B. 17g B. 24.7 torm C....
1. [1 pt] What is the boiling point of compound A? Please round final answer to...
1. [1 pt] What is the boiling point of compound A? Please round
final answer to a whole number. Do not include units. °C
2. [1 pt] At what temperature will a solution consisting of 14
mole % A and 86 mole % B begin to boil? Please round final answer
to a whole number. Do not include units. °C
3. [1 pt] Beginning at point X trace out the lines for one
theoretical plate. What is the composition of...
Q55,56,57 s374810008 1064 glmole)erystailines in face-centered 563 S3.Palindim 104 gmole) astalines in a face-centered cubic system....
Q55,56,57
s374810008 1064 glmole)erystailines in face-centered 563 S3.Palindim 104 gmole) astalines in a face-centered cubic system. What is the Kc c) 222x10», 10648 e) 5.55x S4. A metal cystailines in a face-centered cuhic lattice. The radius of the atom is 97 xam What is the volume of the unit oell? a)1.73 x 10 308x10 5)0611 x 10 )5.22 x 10m 55 Beee and tolbene Soem ideal solutions At 35 "C the vapor pressure of benzene is 160 torr and thut...
Please answer all questions in both worksheets! Thank you! 1. What is the ideal gas law?...
Please answer all questions in both worksheets! Thank
you!
1. What is the ideal gas law? Write the equation below and label all the components of the equation. 2. Write the balanced chemical equation for the reaction between Mg and HCI below include phases of each constituent. Mg + HCI 3. If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H2...
Please answer both questions thank you. Question 5 (1 point) Consider a file called input.txt that...
Please answer both questions thank you.
Question 5 (1 point) Consider a file called input.txt that has the following 4 lines: Trace the program I when it is 89 lines 78.5 is average. Isn't it? What would be the value of count after the following code snippet executes? Scanner in = new Scanner (new File("input.txt")); int count = 0; while (in.hasNext() ( String value = in.next()); count++; System.out.println(count); A/ Question 7 (1 point) Assume that n is 8 and k...
Please answer both questions thank you. Question 39 (1 point) Translate the following conditions to Java,...
Please answer both questions thank you.
Question 39 (1 point) Translate the following conditions to Java, where x is an integer and s is a string. 1. x >= 6 2. x < 0 s is "Day" 3. S = "Day" x is at least 6 4. X == -7 DODO x is at most 6 5. x = -7 x is - 7 6. s.equals("Day") 7. x <= 6 x is not 27 8. X >O x is positive...
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
ch.13
answer each of these please
What is the boiling point of an aqueous solution that has a vapor pressure of 22.5 torr at 25°C? (Puo 23.78 torn; Kb = 0,512 °C/m). Express your answer using four significant figures. VO AXO ? c A solution contains 10.55 g of unknown compound (non-electrolyte) dissolved in 50,0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -4,35 °C. The mass percent composition of...
Need assistance with graph and pre-lab questjons
1. Refer to the vapor-liquid composition curve for a benzene/toluene solution below. a) Are benzene and toluene miscible or immiscible? b) What is the boiling point of a benzene-toluene mixture that is 20% benzene? c) What percent benzene is a benzene-toluene mixture that boils at 85°C? 110 100 95 0F-- 85 A" 80 75 0 10 20 30 40 50 60 7o 80 90 100 Molo porcont benzene 2. Refer to the Boiling...
Е. попе E. 0.733 and 1.324 14. the molar mass of toluene is 92.6 gmol, how much tokuene is needed to depress the freezing point of 200 g of benzene by 047C? K 5.12 Cm a The vapor pressure of pure water at 26 "C is 25.2 torr. What is he vapor pressure of a solution that contains 16.0 g of glucose (CaHuO) dissolved in 80 g of water? A. 1.7g A. 14.1 tor B. 17g B. 24.7 torm C....
1. [1 pt] What is the boiling point of compound A? Please round
final answer to a whole number. Do not include units. °C
2. [1 pt] At what temperature will a solution consisting of 14
mole % A and 86 mole % B begin to boil? Please round final answer
to a whole number. Do not include units. °C
3. [1 pt] Beginning at point X trace out the lines for one
theoretical plate. What is the composition of...
Q55,56,57
s374810008 1064 glmole)erystailines in face-centered 563 S3.Palindim 104 gmole) astalines in a face-centered cubic system. What is the Kc c) 222x10», 10648 e) 5.55x S4. A metal cystailines in a face-centered cuhic lattice. The radius of the atom is 97 xam What is the volume of the unit oell? a)1.73 x 10 308x10 5)0611 x 10 )5.22 x 10m 55 Beee and tolbene Soem ideal solutions At 35 "C the vapor pressure of benzene is 160 torr and thut...
Please answer all questions in both worksheets! Thank
you!
1. What is the ideal gas law? Write the equation below and label all the components of the equation. 2. Write the balanced chemical equation for the reaction between Mg and HCI below include phases of each constituent. Mg + HCI 3. If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H2...
Please answer both questions thank you.
Question 5 (1 point) Consider a file called input.txt that has the following 4 lines: Trace the program I when it is 89 lines 78.5 is average. Isn't it? What would be the value of count after the following code snippet executes? Scanner in = new Scanner (new File("input.txt")); int count = 0; while (in.hasNext() ( String value = in.next()); count++; System.out.println(count); A/ Question 7 (1 point) Assume that n is 8 and k...
Please answer both questions thank you.
Question 39 (1 point) Translate the following conditions to Java, where x is an integer and s is a string. 1. x >= 6 2. x < 0 s is "Day" 3. S = "Day" x is at least 6 4. X == -7 DODO x is at most 6 5. x = -7 x is - 7 6. s.equals("Day") 7. x <= 6 x is not 27 8. X >O x is positive...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
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