Multiple Choice Answers (1 Viewer)

McLake

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MY ANSWERS:

1A
2A
3B
4A
5-
6D
7D
8 Your kidding, right?
9
10C
11A
12?
 
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CharlieB

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1a
2a
3b
4b
5c
6d
7d
8d
9a
10c
11a
12c
13c
14a
15b

i suck tho... :(
 
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jumb

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This is after rechecking

1 A
2 A
3 B
4 B
5 C
6 D
7 D
8 D
9 D
10 A
11 A
12 C
13 Guessed B
14 D
15 forget

I'm pretty pissed off, I wouldve gotten 9 or 10 out of 15
 

withoutaface

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Here's mine, feel free to debate them
1 A
2 A (not 100% sure on this one)
3 B (all the others give orange flames)
4 B
5 C
6 C (I think this is wrong)
7 D
8 D
9 A
10 C
11 A
12 C
13 C (Although none of them seemed to match my answer:S)
14 A
15 B
 

omg_a

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no recollection. how do you guys remember. my brain is already overflowing eith now irrelevant info.
had a major mind blank on difference between allotropes and isomers-got that question wrong!! also, what was davys acid theory???
and the molar heat of combustion q, was the specific heat capicity of water wrong on the data sheet or is it just me who got a tiny tiny difference in temp???
 

ay_caramba

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1a
2a
3b
4b
5c
6d
7d
8d
9a
10c
11d <- this one's wrong, i got confused
12c
13a
14a
15b
 
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Bridget

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1. A Esterification. Everyone seems to agree
2. A Biopolymers decompose more easily than traditional synthetic polymers.
3. A Just a guess
4. B Isomers
5. D Acids ionise in solution to for H ions. Everyone else got C though!
6. C
7. B but I have no idea
8. D Atmopshere temperatures
9. A Everyone else at school got D though
10. C High temperature and low pressure
11. B 1- Hexanol
12. C This question really threw me off! I would have said Ammonia and water but it wasn't an option!
13. B I'm not too confident here though...
14. D
15. B I think this is right... not too sure


~~Bridget
 

Bridget

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Can someone please explain question 13?

Everyone's answers vary. Confused...
 

kow_dude

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How come 11 is (a) 1-hexanol?

1-octanol takes the longest to destect ... coz there's 8 carbons
1-heptanol is the second longest... so shouldnt it be (c) 1-heptanol?
 

The Bograt

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It is the second lightest hydrocarbon
Why is the answer to 9 A?
I got B, and it seems no one else did. The number of moles of O3 was less than that of NO so NO was in excess, and therefore only a max of 0.37 could be achieved..
At least I hope so, since I changed my answer from A to B :mad:
 

Gesus

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The Bograt said:
It is the second lightest hydrocarbon
Why is the answer to 9 A?
I got B, and it seems no one else did. The number of moles of O3 was less than that of NO so NO was in excess, and therefore only a max of 0.37 could be achieved..
At least I hope so, since I changed my answer from A to B :mad:
Your right about ozone being the limiting factor, but you prolly used the wrong mole of gas volume.
 

hfis

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Question 9 is weird. I originally got A through the mole method, using the O3 molecule. When I checked it, I used the NO molecule instead, and got an answer that rounded to 50. As the question states the maximum amount, I changed it to D.
 

Bridget

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And also question 12. With the pictures there I immediately though ammonia and water but it wasn't an option.
 

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