Homework Answers
D. Dextrose.
It contains covalent bonds within. It is non conductor basically. When we dissolve in water then also dissociate s into ions in a less fraction. That dextrose solution considered as a non condcutor Or least conductive.
Remaining all have some greater amount of conductivity than dextrose.
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Which 1.00 Msolution will be the least conductive? Choose all that apply Choose one or more:...
Which of the following 0.500 M solutions will be the most conductive? Choose all that apply....
Which of the following 0.500 M solutions will be the most conductive? Choose all that apply. A. Sodium chloride B. Acetic acidC. Methanol D. Dextrose (table sugar) Which 0.500 M solution will be the least conductive? Choose all that apply. A. Acetic acidB. Methanol C. Dextrose (table sugar) D. Sodium chloride
Choose any of the reactions below that would form a precipitate. (select all that apply) a.Silver...
Choose any of the reactions below that would form a precipitate. (select all that apply) a.Silver Nitrate reacting with Sodium Chloride b. Hydrochloric Acid reacting with iron metal c. iron(III)nitrate reacting with potassium hydroxide d. calcium chloride reacting with sodium phosphate e. Potassium Nitrate reacting with Lithium Chloride
Which of the following aqueous solutions are good buffer systems? (check all that apply) . 0.22...
Which of the following aqueous solutions are good buffer systems? (check all that apply) . 0.22 M hydrochloric acid + 0.20 M sodium chloride 0.21 M acetic acid + 0.18 M sodium acetate 0.13 M sodium hydroxide + 0.26 M sodium chloride 0.38 M calcium iodide + 0.26 M potassium iodide 0.28 M ammonia + 0.39 M potassium hydroxide Which of the following aqueous solutions are good buffer systems? (check all that apply) . 0.19 M acetic acid + 0.15...
Identify which of the following are acid-base reactions. Select all that apply. Choose one or more:...
Identify which of the following are acid-base reactions. Select all that apply. Choose one or more: 0 A. HCOOH(aq) + NaOH(aq) + HCOONa(aq) + H2O O B. Hl(aq) + CH3NH2(aq) + CH3NH3 + (aq) + 1-(aq) O C. NaOH(aq) + HCIO4(aq) + NaClO4(aq) + H20(1) O D. 2 NaCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 NaNO3(aq) o E. Fe3+(aq) + 3 Ag(s) + 3Ag+(aq) + Fe(s)
Use the graph to answer the following questions: most volatile: choose one Which liquid is the...
Use the graph to answer the following questions: most volatile: choose one Which liquid is the most volatile? Which is the least volatile? least volatile: choose one octane: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. acetic acid: toluene: more Suppose a beaker of acetic acid is put inside a sealed tank containing acetic acid gas at 105. degree C and 651. torr. After...
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic...
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic variation on that chromosome b. The genes on the chromosome do not assort independently c. The genes on the chromosome assort independently d. More genetic variation on that chromosome
Part D Choose the monomer(s) from which styrene-butadiene rubber is made. Check all that apply. isoprene...
Part D Choose the monomer(s) from which styrene-butadiene rubber is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Request Answer Submit Provide Feedback Request Answer Submit Part C Choose the monomer(s) from which poly(vinyl chloride) is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Submit Request Answer Part B Choose the monomer(s) from which polypropylene is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene...
Which of these compounds can be reduced by sodium borohydride? Check any and all that apply....
Which of these compounds can be reduced by sodium borohydride? Check any and all that apply. 1st attempt Choose one or more: Amides Aldehydes Ketones Acid chlorides Carboxylic acids
Why are enzymes important to metabolism? Select all that apply. Choose one or more: O A....
Why are enzymes important to metabolism? Select all that apply. Choose one or more: O A. Metabolism would be extremely slow without enzymes. O B. Enzymes help in catabolism reactions but not anabolism reactions. O C. Enzymes facilitate almost all metabolic reactions. O D. Enzymes can slow down reactions that are not needed at the time.
Which of the following would most likely fit the following chemical scheme? More than one answer...
Which of the following would most likely fit the following chemical scheme? More than one answer may be correct. XY(aq)=x*(aq) + (aq) Sodium chloride Acetic acid Hydrobromic acid Hydrofluoric acid Methanol None of these
Identify which of the following are acid-base reactions. Select all that apply. Choose one or more: 0 A. HCOOH(aq) + NaOH(aq) + HCOONa(aq) + H2O O B. Hl(aq) + CH3NH2(aq) + CH3NH3 + (aq) + 1-(aq) O C. NaOH(aq) + HCIO4(aq) + NaClO4(aq) + H20(1) O D. 2 NaCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 NaNO3(aq) o E. Fe3+(aq) + 3 Ag(s) + 3Ag+(aq) + Fe(s)
Use the graph to answer the following questions: most volatile: choose one Which liquid is the most volatile? Which is the least volatile? least volatile: choose one octane: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. acetic acid: toluene: more Suppose a beaker of acetic acid is put inside a sealed tank containing acetic acid gas at 105. degree C and 651. torr. After...
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic variation on that chromosome b. The genes on the chromosome do not assort independently c. The genes on the chromosome assort independently d. More genetic variation on that chromosome
Part D Choose the monomer(s) from which styrene-butadiene rubber is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Request Answer Submit Provide Feedback Request Answer Submit Part C Choose the monomer(s) from which poly(vinyl chloride) is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Submit Request Answer Part B Choose the monomer(s) from which polypropylene is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene...
Which of these compounds can be reduced by sodium borohydride? Check any and all that apply. 1st attempt Choose one or more: Amides Aldehydes Ketones Acid chlorides Carboxylic acids
Why are enzymes important to metabolism? Select all that apply. Choose one or more: O A. Metabolism would be extremely slow without enzymes. O B. Enzymes help in catabolism reactions but not anabolism reactions. O C. Enzymes facilitate almost all metabolic reactions. O D. Enzymes can slow down reactions that are not needed at the time.
Which of the following would most likely fit the following chemical scheme? More than one answer may be correct. XY(aq)=x*(aq) + (aq) Sodium chloride Acetic acid Hydrobromic acid Hydrofluoric acid Methanol None of these
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