Question

1) Explain how you got your answer and show work.

What is the correct name for the chloroalkene whose structure is shown here?

Select one:

1,1-dichloro-3-methyl-but-2-ene

4,4-dichloro-2-methyl-but-3-ene

1,1-dichloro-3,3-dimethyl-prop-1-ene

4,4-dichloro-1-methyl-but-2-ene

1,1-dichloro-3-methyl-but-1-ene

2) Which of the following complex ions is neutral and would precipitate from aqueous solution? Explain how you got your answer.

Select one:

Triaquatrihydroxochromium(III)

Tetraamminedichlorochromium(III)

Pentaaquachlorochromium(III)

Hexaaquachromium(III)

Hexahydroxochromate(III)

3) When 150 cm³ of 0.5 M solution of nitric acid was mixed with 0.150 dm³ of 0.5 M solution of NaOH in a calorimeter, a temperature rise of 3.3 K was recorded. What is the heat change for this reaction? (heat capacity of aq. solutions = 4.18 J/gK) Show all work.

Select one:

2100 kJ

41,000 J

4.1 kJ

41 J

2.1 J

4. Show all work.

Select one:

+ 84 J K^-1 mol^-1

+ 1000 J K^-1 mol^-1

+ 0.084 J K^-1 mol^-1

+ 30 J K^-1 mol^-1

- 440 J K^-1 mol^-1

Answer 1

el d 1,1-dichloro-3-methyl-But-1-ene 2 Ans's Triaqua trihydroco Chromium ii) [Co Lt2 conths o co oxidatess state is +3 H2O charge on H2O is он charge on olf is al 3 (* *4209 Couble] Total change on Complexóm * 293€ = (+3)4+ 360) +36-1) It is neutral ③ volume of Harz = 150 cm3 volume of woolt hal volume cus=1507150 = 300ch of density & solution is considered as looglan s mass & solution Heat change (Q).= mSAT-300g x 44,8J/33k =41385 orsodm3 = 150cm3 of = 300g Cs, Scanned, with ger As = 4.1 kJ = 4.1K5

© ņo NOIG) + H219) AGO =-17, 165l mol = 82 kJ/mol AH f No 440 f NO E +90 Kilmol Aten AH / No 19) THAT I LI9) - AH ALO 90+to storan ran -82 8 kJ AGO = AHOTASO AH-ago aso T=25€ = 298k T = 8 .(-7) ; 298K = 0.0839 kJ/kmol È 83,9 J/kmol = 84Jkmol And as = 84Tlk. mol CS Scanned with CamScanner