Homework Answers
Higher members of alcohols usually have very low Vapor pressure due to stronger intermolecular forces as compared to lower alcohols,thus amongst C8 and C5 ,C8 members will have lower vapor pressure.Moreover, it's a known fact that vapour pressure increases with increase in temperature.Thus amongst the given options, Option c is correct.
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6 pts Taking into account both the substance and the temperature, which of the following liquids...
Question 10 1 pts Which one of the following liquids would you expect to have the...
Question 10 1 pts Which one of the following liquids would you expect to have the highest vapor pressure at room temperature? (all boiling points are normal boiling points) acetic acid, b.p. - 118°C ethanol, b.p. - 78.3°C carbon disulfide, b.p. - 46.3°C water, b.p. - 100°C
1-2. Rate data were obtained for the following reaction A (g) + 2B (g) -C(8) Experiment...
1-2. Rate data were obtained for the following reaction A (g) + 2B (g) -C(8) Experiment Initial (Al Initial [B] 1 Initial Rate, Ms 0.15 0.10 0.45 2 0.30 0.10 0.9 3 0.15 0.20 1.8 1. What is the rate law of the above reaction? This question is for the test taker to work out independently, any help from others including online service is prohibited. rate = K[A][B]^2 O rate = K[A](B) rate = k[A]^2[B] rate = K[A] O rate...
please answer 1and 3 quick 1.0 atm, is 0 30 0 110 Temperature oc) 31 Which of the icuowing liquxls "...
please answer 1and 3 quick
1.0 atm, is 0 30 0 110 Temperature oc) 31 Which of the icuowing liquxls "wild hane il high s xii'니nesure, aking into account both tbe nature of t substanse & the temperature? C) NaClat 325°C ) The mole fraction of lead nitrate (mol mass 3312 g/mol) in an aqueous 5.85x101: What is the molar concentrationt of nitrat ons is solution? A) 0.032 NM trate ions in this solution? B) 0.064 M C) 0.096M D)...
Consider the following list of liquids and their boiling points: ether, bp = 35°C acetone, bp...
Consider the following list of liquids and their boiling points: ether, bp = 35°C acetone, bp = 56°C cyclohexane, bp = 80°C water, bp = 100°C Which liquid is predicted to have the largest vapor pressure near room temperature (25°C)? O A. cyclohexane B. cannot tell with the information given C. water D. ether E. acetone
Given the following boiling point data, which one of the liquids would you expect to have...
Given the following boiling point data, which one of the liquids would you expect to have the HIGHEST vapor pressure at room temperature? a) water, H2O; 100°C b) methanol, CH3OH; 64.96°C c) ethanol, CH3CH2OH; 78.5°C d) diethyl ether, CH3CH2-O-CH2CH3; 34.5°C e) ethylene glycol, HO-CH2-CH2-OH; 198°C
You are given the following boiling point data, Which one of the liquids would you expect...
You are given the following boiling point data, Which one of the liquids would you expect to have the highest vapor pressure at room temperature! a. ethanol, CH3CH2OH 78.5°C b. water, H20 100°C Oc. diethyl ether, CH3CH2 O CH2CH3 34.5°C Od. ethylene glycol, HO CH2 CH2 OH 198°C Oe methanol, CH3OH 64.96°C
check each statement about the temperature, check each item that is a unit of pressure, which...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn...
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn = AH) at T = 298 K? O 2 Fe (s) + 1.5 O2() → Fe2O3(s) O N2(1) + 2 O2(1) ► N204(1) O CO(g) + 2H2(g) + CH3OH(1) O C(s, graphite) + H2(g) + O2(g) → C6H1206(s) O Cl2(g) + H2(g) →2 HCl(g) Question 4 1 pts A sample of 1.71 moles of a substance was burned in a constant pressure calorimeter. The...
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have...
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have the same solubility? Solubility Curve Grams of solute/100g H30 to .- 30. 0 10 70 80 90 100 20 30 40 50 60 Temperature (°C) O 93°C 56°C O 85°C 0750 Previous Page Next Page Page 2 of 24 Question 2 (1 point) Saline (salt) solution is 0.9% by mass which is similar to tears, blood, and other body fluids. Which of the following...
photos for each question are all in a row (1 point) In the following questions, use...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
Question 10 1 pts Which one of the following liquids would you expect to have the highest vapor pressure at room temperature? (all boiling points are normal boiling points) acetic acid, b.p. - 118°C ethanol, b.p. - 78.3°C carbon disulfide, b.p. - 46.3°C water, b.p. - 100°C
1-2. Rate data were obtained for the following reaction A (g) + 2B (g) -C(8) Experiment Initial (Al Initial [B] 1 Initial Rate, Ms 0.15 0.10 0.45 2 0.30 0.10 0.9 3 0.15 0.20 1.8 1. What is the rate law of the above reaction? This question is for the test taker to work out independently, any help from others including online service is prohibited. rate = K[A][B]^2 O rate = K[A](B) rate = k[A]^2[B] rate = K[A] O rate...
please answer 1and 3 quick
1.0 atm, is 0 30 0 110 Temperature oc) 31 Which of the icuowing liquxls "wild hane il high s xii'니nesure, aking into account both tbe nature of t substanse & the temperature? C) NaClat 325°C ) The mole fraction of lead nitrate (mol mass 3312 g/mol) in an aqueous 5.85x101: What is the molar concentrationt of nitrat ons is solution? A) 0.032 NM trate ions in this solution? B) 0.064 M C) 0.096M D)...
Consider the following list of liquids and their boiling points: ether, bp = 35°C acetone, bp = 56°C cyclohexane, bp = 80°C water, bp = 100°C Which liquid is predicted to have the largest vapor pressure near room temperature (25°C)? O A. cyclohexane B. cannot tell with the information given C. water D. ether E. acetone
You are given the following boiling point data, Which one of the liquids would you expect to have the highest vapor pressure at room temperature! a. ethanol, CH3CH2OH 78.5°C b. water, H20 100°C Oc. diethyl ether, CH3CH2 O CH2CH3 34.5°C Od. ethylene glycol, HO CH2 CH2 OH 198°C Oe methanol, CH3OH 64.96°C
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn = AH) at T = 298 K? O 2 Fe (s) + 1.5 O2() → Fe2O3(s) O N2(1) + 2 O2(1) ► N204(1) O CO(g) + 2H2(g) + CH3OH(1) O C(s, graphite) + H2(g) + O2(g) → C6H1206(s) O Cl2(g) + H2(g) →2 HCl(g) Question 4 1 pts A sample of 1.71 moles of a substance was burned in a constant pressure calorimeter. The...
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have the same solubility? Solubility Curve Grams of solute/100g H30 to .- 30. 0 10 70 80 90 100 20 30 40 50 60 Temperature (°C) O 93°C 56°C O 85°C 0750 Previous Page Next Page Page 2 of 24 Question 2 (1 point) Saline (salt) solution is 0.9% by mass which is similar to tears, blood, and other body fluids. Which of the following...
photos for each question are all in a row
(1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...
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