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The standard reduction potential for the half-reaction HClO(aq) + H+(aq) + e- → ½Cl2(g) + H2O(l) is 1.61 V. What is the standard reduction potential for the following half-reaction? 2HClO(aq) + 2H+(aq) + 2e- → Cl2(g) + 2H2O(l) - Ans: 1.61 V Given that Eºcell = 0.60 V for a voltaic cell in which the following redox reaction takes place 2Rh(s) + 3Cl2(g) → 2Rh3+(aq) + 6Cl-(aq) and that the standard reduction potential for the half-reaction Cl2(g) + 2e- → 2Cl-(aq) is 1.36 V, calcul...

Which of the following titrations will result in a noticeably basic solution at the equivalence point? KOH(aq) + HI(aq) HCl(aq) + NaOH(aq) CH3COOH(aq) + NaOH(aq) NH3(aq) + HClO4(aq) NaHCO3(aq) + HCl(aq) - Ans: CH3COOH(aq) + NaOH(aq) Which of the following indicators is suitable for the titration of 0.10 M CH3COOH (Ka = 1.8 x 10-5) with 0.15 M NaOH? methyl orange (Ka = 2.0 x 10-4) phenolphthalein (Ka = 4.0 x 10-10) bromocresol green (Ka = 2.0 x 10-5) bromothymol blue (Ka = 1.0 x 10-7)...

Given the pKa's of several polyprotic acids choose the strongest acid among the ions given below. H3PO4: pKa1=2.16, pKa2=7.19, pKa3=12.32 H3AsO4: pKa1=2.26, pKa2=6.77, pKa3=11.29 H2SO3: pKa1=1.77, pKa2=7.21 H2CO3: pKa1=6.37, pKa2=10.33 > HCO3- > H2AsO4- > H2PO4- > HPO42- > HSO3- - Ans: H2AsO4- Which of the following is the weakest base? > (CH3CH2)2NH (pKb = 3.07) > NH2OH (pKb = 7.97) > (CH3CH2)3N (pKb = 3.25) > CH3CH2NH2 (pKb = 3.25) > (CH3)3N (p...

What is the total concentration of ions (in mol/L) in a solution obtained by dissolving 3.51 g of Cr(NO3)3 in enough water to make 351 mL of solution? (Molar mass of Cr(NO3)3: 238.01 g/mol) - Ans: 0.168 +/- 1% What is the concentration of sodium ions (in mol/L) in a solution obtained by mixing 90.5 mL of 0.181 M solution of Na2SO4 and 65.5 mL of 0.147 M solution of Na3PO4? Assume that volumes are additive. - Ans: 0.395 Which of the following molecules is polar? - Ans: IF5 What is the ...

Where you have found evidence of footing settlement, how can you predict whether there will be further settlement? (a) You can count the number of planes of movement. (b) You can determine the type of foundation material. (c) You cannot predict settlement from a single inspection. (d) You can determine the depth of the footing. - Ans: You cannot predict settlement from a single inspection 2. You typically identify a Freon leak (a) As an oil stain (b) As refrigerant coming ou...

Columns and piers are generally inspected from _________________. A. the inside of the home B. the outside of the home C. the basement or crawl space D. lifting the subfloor - Ans: C. the basement or crawl space Which action is required by most standards of practice? A. required to enter underfloor crawl spaces and attic spaces if the property has them B. required to probe structural components where deterioration is suspected C. required to report cracks in the foundation only if they...

During an inspection of a gas dryer, you observe no exhaust vent. Your report should: A. Recommend installing a metal dryer duct vented to the exterior. B. Recommend installing a flexible plastic dryer duct vented to the exterior. C. Indicate a code violation and state that corrective action should be taken. D. Indicate that this is not a problem. - Ans: A) Recommend installing a metal dryer duct vented to the exterior. A collar tie is found in: A. the attic near the top plate B. the ba...

American Home Inspector Training (AHIT) All Bundled together (Structural, Interior, exterior, roof, electrical, Insulation, heating, plumbing, Final exam) with correct and verified answers!

Which of the following does NOT have to be inspected during the plumbing inspection? A. fire and lawn sprinkler systems B. fixtures and faucets C. water heating equipment D. supply and drain, waste, and vent (DWV) piping - Ans: A. fire and lawn sprinkler systems Which action IS required by most standards of practice during the plumbing inspection? A. required to operate automatic safety controls B. required to observe onsite water supply quantity and quality C. required to describe wa...

When inspecting the heating equipment, the inspector is not required to _________. A. operate the system using normal operating controls B. open readily openable access panels provided by the manufacturer C. observe automatic safety controls D. operate heating systems when conditions may cause equipment damage - Ans: D. operate heating systems when conditions may cause equipment damage What should an inspector do if they find a cracked heat exchanger? A. turn off the furnace immediately ...