Which of the following would become more soluble in water at lower temperature?
a) O2 (g)
b) CH3CH2CH2CH2CH3 (l)
C) C6H6 (l)
D) C6H12O6 (s)
Which of the following would become more soluble in water at lower temperature? a) O2 (g)...
1) Which of the following processes would be expected to have the largest increase in ?Srxn per mole of benzene? a) C6H6(l) + Cl2(g) ? C6H5Cl(l) + HCl(g) b) C6H6(l) + 15/2 O2(g) ? 6CO2(g) + 3H2O(g) c) C6H6(s) ? C6H6(g) d) 6H6(s) ? C6H6(l) e) C6H6(l) + 9/2 O2(g) ? 6CO(g) + 3H2O(g) 2) The heat of fusion of acetic acid is 11.5 kJ/mol. Its melting point is 16.6 oC. The change in entropy for the melting of acetic acid in...
1. Determine the ∆Sº using Appendix G for the following reaction. C2H5OH(l) + 3 O2(g) --> 2 CO2(g) + 3 H2O(l) Report your answer to three sig figs. Omit unit labels. Only add a - number is the sign is negative. Adding a + to a positive answer messes up the grading. 2. Which of the following equations will have a negative ∆S? A. 3 H2(g)+ N2(g) --> 2 NH3(g) B. C6H6(l)--> C6H6(g) C. NH4OH(s)--> H2O(l)+ NH3(g) D. NaCl(s) -->...
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...
The balanced combustion reaction for C6H6 is 2 C6H6(l) + 15 O2 (g) -----> 12 CO2 (g) + 6 H2O(l) + 6542 kJ If 8.800 g C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 C, What is the final temperature of the water? final temperature= ___________ C
Question 7a Which of the following compounds are soluble in water? More than one answer could be correct. 1. Lithium chloride 2. Ammonium hydroxide 3. Lead(II) sulfate 4. Mercury(I) iodide 0.8 points Question 7b Which of the following water soluble compounds will remain molecules in solution? More than one answer could be correct. 1. Ammonium chloride 2. Glucose (C6H12O6) 3. Carbon dioxide 4. Magnesium sulfate 0.8 points Question 7c Which of the following will completely dissociate into ions when dissolved...
L 13) In which of the following solutions would solid PbCl2 be expected to be the least soluble at 25°C? pure water BL 0.1 M HCI C) 0.1 M NaCl DI 0.1 M CaCl2 K (14) Which of the following would decrease the K, for Pblz? Pb1, 2 Pb!? +27 adding a solution of Pb(NO3)2 K) adding a solution of KI L_adding more Pb12(S) T aone of the above - K, of a compound is constant at constant temperature
Which of the following gases is likely to be the least soluble in water? CO, O2, NO, HCN
Which of the following compounds will be more soluble at lower pH? a. Ag2SO4 b. Ag2SO3 2. AgCl2 . AgBr2
Which compound in each of the following pairs would be more soluble or insoluble in water? Explain and draw the structure of each compound below. a. Ethanol or propane b. propanone or 3-hexanone.
. Which of the following would be more soluble if the pH of the solution was decreased? A. AgNO3 B. AgCl C. PbBr2 D. MgCO3 E. pH would have no effect on all of the above. Please explain how you answer this question.