1.Which compound is the most soluble in water?
A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2OH
C. CH3CH2CH2CH2CH2CH2CH2OH D. CH3CH2CH2OH
E. All of these compounds are equally soluble in water.
2. Which of these compounds is a strong electrolyte?
A. H2O B. O2 C. H2SO4 D. C6H12O6 (glucose) E. CH3COOH (acetic acid)
3. Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene (406.9 g/mol) must be added to 125 g of chloroform to give a solution with a boiling point of 62.60°C? (For chloroform, Kb = 3.63°C/m; boiling point of pure chloroform = 61.20°C)
A. 19.6 g B. 17.2 g C. 40.7 g D. 50.9 g E. 157 g
4. If a molecule at the surface of a liquid has enough kinetic energy to escape the liquid phase and enter the gas phase, then which of the following terms is used to describe this phenomenon? A. Boiling point B. Condensation C. Vaporization D. Sublimation E. Gasification
5.
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1.Which compound is the most soluble in water?
A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2OH
C. CH3CH2CH2CH2CH2CH2CH2OH D. CH3CH2CH2OH...
38) Which of these compounds is the most soluble in water? A) CH3CH2CH2CH2CH2COOH (B) CH3CH2CH2CH2CH2COO-Na+ C)...
38) Which of these compounds is the most soluble in water? A) CH3CH2CH2CH2CH2COOH (B) CH3CH2CH2CH2CH2COO-Na+ C) CH3CH2OCH2CH2CH3 D) CH3CH2CH2CH2CH2OH E) CH3CH2CH2CH2CH2CH3
For the overall reaction A+B+C products the following initial rate data were obtained: Rate, mol L-'s-1...
For the overall reaction A+B+C products the following initial rate data were obtained: Rate, mol L-'s-1 Experiment # [A] [B]. [C]. 0.200 0.200 0.200 0.300 0.200 0.200 0.200 0.400 0.200 0.300 0.200 0.400 How many of the following statements are correct? 2.00 2.83 4.00 1) the reaction is first order in A 2) the overall reaction is second order 3) the rate of the reaction is proportional to [B]"2 4) the value of the specific rate constant, k, is 50.0...
c) HC d) CCl4 16. The hybridization of C in H-C N: is a) sp b)...
c) HC d) CCl4 16. The hybridization of C in H-C N: is a) sp b) sp3d c) sp d d) sp e) sp 17. A triple bond consists of a) three sigma bonds one sigma and two pi bonds b) three pi bonds c) two sigma and one pi bond d) none of the above 18. What is the best bond angle for the C-O-C bond in the molecule shown below? a) 180° b) 120° c) 105° d) 90°...
Which organic solvent - A, B, C, or D - would be most soluble in water?...
Which organic solvent - A, B, C, or D - would be most soluble in water? Explain your choice. A. CH3CH2CH2CH2CH2CH3 B. CH3OCH2CH2CH3 C. CH3OCH2CH2OCH3 D. CH3CH2CH2CH3 In which of the following alcohol solvents do you think NaCl would be the most soluble? A. CH3OH B. CH3CH2OH C. CH3CH2CH2OH D. CH3CH2CH2CH2OH
two Part question A: The boiling point of water is 100.0°C at 1 atmosphere. How many...
two Part question A: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of chromium(II) bromide (211.8 g/mol), must be dissolved in 287.0 grams of water to raise the boiling point by 0.400°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 g chromium(II) bromide. ____ ? B...
w Fast 5. + 5. Which ionic solid is most soluble in water at 0°C? A....
w Fast 5. + 5. Which ionic solid is most soluble in water at 0°C? A. sugar (CuzH2011) B. KNO, C. NaNO, D. NaBr E. Ce, (SO) - 6. Which ionic solid is most soluble in water at 50'C? A. sugar (CH2011) B. KNO, C. NaNO, D. NaBr E. Cez(50) 7. :- 7. Which ionic solid is most soluble in water at 60°C? A. sugar (CH22011) B. KNO C. NaNO, D. NaBr E. Ce:(SO.) --- 8. Which ionic solid is...
Q1) solve part A,B,C and D A)Magnesium carbonate thermally decomposes to magnesium oxide and carbon dioxide...
Q1) solve part A,B,C and D A)Magnesium carbonate thermally decomposes to magnesium oxide and carbon dioxide gas: MgCO3(s) → MgO(s) + CO2(g) Determine the volume of carbon dioxide in liters that would form if 4.22 g of magnesium carbonate decomposes completely at 355oC and 1.05 atm. B) A 6.00 L vessel contains 10.5 g of O2, 2.12 g of CO2 and 1.12 g of He. Determine the partial pressure in atm of each gas and the total pressure in atm...
we - Google Given the following data, determine the rate law for the following reaction 2A+B+2C...
we - Google Given the following data, determine the rate law for the following reaction 2A+B+2C - products Experiment 2 [A] 0.273 0.819 0.273 0.273 [B] [C] Rate (M/s) 0.763 0.400 3.0 0.763 0.400 9.0 1.526 0.400 12.0 0.763 0.800 4 6.0 Rate = k[A][B][C] Rate = k[A][B][C] Rate = K[A] [B]*C]2 Rate = K[A]2[B] [CH Rate = k[A] [B][C] Question 16 5 pts SOCl2 gas dissociates into SO2 and Cly via the following reaction: SOCI2(e) + SO2(g) + Cl2(8)...
6. (20 pts) The data below were collected for the following reaction at 25 °C: NO2(g)...
6. (20 pts) The data below were collected for the following reaction at 25 °C: NO2(g) + CO(g) ? NO(g) + CO2(g) [NO2Initial 0.100 M 0.200 M 0.200 M 0.400 M COJinitial 0.100 M 0.100 M 0.200 M 0.100 M Initial rate 0.0021 Ms 0.0082 Ms 0.0083 Ms 0.033 M s a. (8 pts) What is the rate law for this reaction? (in the form Rate k[NOJ'icoj) b. (6 pts) What is the value of K? (Be careful with units...
7) Which compound has the lowest boiling point? A) CH3CHO B) CH3CH2CHO C) CH3CH2OH D) CH3CH2CH2OH...
7) Which compound has the lowest boiling point? A) CH3CHO B) CH3CH2CHO C) CH3CH2OH D) CH3CH2CH2OH E) CH3COCHZ
38) Which of these compounds is the most soluble in water? A) CH3CH2CH2CH2CH2COOH (B) CH3CH2CH2CH2CH2COO-Na+ C) CH3CH2OCH2CH2CH3 D) CH3CH2CH2CH2CH2OH E) CH3CH2CH2CH2CH2CH3
For the overall reaction A+B+C products the following initial rate data were obtained: Rate, mol L-'s-1 Experiment # [A] [B]. [C]. 0.200 0.200 0.200 0.300 0.200 0.200 0.200 0.400 0.200 0.300 0.200 0.400 How many of the following statements are correct? 2.00 2.83 4.00 1) the reaction is first order in A 2) the overall reaction is second order 3) the rate of the reaction is proportional to [B]"2 4) the value of the specific rate constant, k, is 50.0...
c) HC d) CCl4 16. The hybridization of C in H-C N: is a) sp b) sp3d c) sp d d) sp e) sp 17. A triple bond consists of a) three sigma bonds one sigma and two pi bonds b) three pi bonds c) two sigma and one pi bond d) none of the above 18. What is the best bond angle for the C-O-C bond in the molecule shown below? a) 180° b) 120° c) 105° d) 90°...
w Fast 5. + 5. Which ionic solid is most soluble in water at 0°C? A. sugar (CuzH2011) B. KNO, C. NaNO, D. NaBr E. Ce, (SO) - 6. Which ionic solid is most soluble in water at 50'C? A. sugar (CH2011) B. KNO, C. NaNO, D. NaBr E. Cez(50) 7. :- 7. Which ionic solid is most soluble in water at 60°C? A. sugar (CH22011) B. KNO C. NaNO, D. NaBr E. Ce:(SO.) --- 8. Which ionic solid is...
we - Google Given the following data, determine the rate law for the following reaction 2A+B+2C - products Experiment 2 [A] 0.273 0.819 0.273 0.273 [B] [C] Rate (M/s) 0.763 0.400 3.0 0.763 0.400 9.0 1.526 0.400 12.0 0.763 0.800 4 6.0 Rate = k[A][B][C] Rate = k[A][B][C] Rate = K[A] [B]*C]2 Rate = K[A]2[B] [CH Rate = k[A] [B][C] Question 16 5 pts SOCl2 gas dissociates into SO2 and Cly via the following reaction: SOCI2(e) + SO2(g) + Cl2(8)...
6. (20 pts) The data below were collected for the following reaction at 25 °C: NO2(g) + CO(g) ? NO(g) + CO2(g) [NO2Initial 0.100 M 0.200 M 0.200 M 0.400 M COJinitial 0.100 M 0.100 M 0.200 M 0.100 M Initial rate 0.0021 Ms 0.0082 Ms 0.0083 Ms 0.033 M s a. (8 pts) What is the rate law for this reaction? (in the form Rate k[NOJ'icoj) b. (6 pts) What is the value of K? (Be careful with units...
7) Which compound has the lowest boiling point? A) CH3CHO B) CH3CH2CHO C) CH3CH2OH D) CH3CH2CH2OH E) CH3COCHZ
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