AQA GCSE Chemistry Paper 1 8462 Higher - 16 May 2019 Unofficial Markscheme

Watch this thread
This discussion is closed.
ettamagill
Badges: 4
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#1
Report Thread starter 3 years ago
#1
Post your answers for questions for TRIPLE AQA from today x
1
username3829122
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#2
Report 3 years ago
#2
For the last question I got 0.62 mol/dm^3 and 69.44 g/dm^3 for the last question, but the second one is wrong
Last edited by username3829122; 3 years ago
5
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#3
Report 3 years ago
#3
For the bond energy one (higher tier) I got -2... something lol can’t remembrr
(Original post by ettamagill)
Post your answers for questions for TRIPLE AQA from today x
0
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#4
Report 3 years ago
#4
I got 0.62 mol too!
(Original post by mosquito1234)
For the last question I got 0.62 mol/dm^3 and 68.44 g/dm^3 for the last question, but the second one is wrong
4
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#5
Report 3 years ago
#5
Why aluminium oxide is a mixture one I said how it’s melting point is way too high so it needs to be a mixture to lower it
(Original post by ettamagill)
Post your answers for questions for TRIPLE AQA from today x
5
ettamagill
Badges: 4
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#6
Report Thread starter 3 years ago
#6
For the 6mark question on the back I got 0.62 mol/dm3 and then 34.72g/dm3
35
nabihaa
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#7
Report 3 years ago
#7
I got 0.62 and then 34.72 for the second one
16
kandy1023
Badges: 2
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#8
Report 3 years ago
#8
what was the answer for why the positive elctrode had to be replaced? I said because gas is produced at the positive electrode and it can corrode the electrode
6
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#9
Report 3 years ago
#9
Same
(Original post by nabihaa)
I got 0.62 and then 34.72 for the second one
1
nabihaa
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#10
Report 3 years ago
#10
what was the reason for it being an exothermic reaction, I put the energy used to make bonds was greater than the energy released
4
tanyapriya
Badges: 4
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#11
Report 3 years ago
#11
how did everyone find it ???
0
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#12
Report 3 years ago
#12
Yh that’s what I said and how the anode is made up of carbon which would react With oxygen to make carbon dioxiede
(Original post by kandy1023)
what was the answer for why the positive elctrode had to be replaced? I said because gas is produced at the positive electrode and it can corrode the electrode
2
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#13
Report 3 years ago
#13
Good! A lot of ppl came out saying it was hard thou
(Original post by tanyapriya)
how did everyone find it ???
1
meriem_ait
Badges: 9
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#14
Report 3 years ago
#14
Yh same
(Original post by nabihaa)
what was the reason for it being an exothermic reaction, I put the energy used to make bonds was greater than the energy released
0
Jmander
Badges: 6
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#15
Report 3 years ago
#15
Said the same thing
(Original post by kandy1023)
what was the answer for why the positive elctrode had to be replaced? I said because gas is produced at the positive electrode and it can corrode the electrode
0
daeho14
Badges: 11
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#16
Report 3 years ago
#16
(Original post by nabihaa)
what was the reason for it being an exothermic reaction, I put the energy used to make bonds was greater than the energy released
That’s what I put as well but I put greater than the energy used to break bonds in the reactants
0
Ddfvbjjjhgvvh
Badges: 1
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#17
Report 3 years ago
#17
I got 0.617777777 so did u lot just round to 6.2
0
Evil Homer
Badges: 20
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#18
Report 3 years ago
#18
Hope the exam went well!
3
charlieost
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#19
Report 3 years ago
#19
-1200 ish (cant remember the exact number) on the bond energies. And i got 200kg ish for the mass of oxygen however i am not confident
13
ridaax
Badges: 6
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#20
Report 3 years ago
#20
(Original post by kandy1023)
what was the answer for why the positive elctrode had to be replaced? I said because gas is produced at the positive electrode and it can corrode the electrode
Because it’s made of graphite which is a form of carbon and it reacts with oxygen to form carbon dioxide
6
X
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

How did your AQA A-level Sociology Paper 1 go?

Loved the paper - Feeling positive (11)
22.92%
The paper was reasonable (21)
43.75%
Not feeling great about that exam... (10)
20.83%
It was TERRIBLE (6)
12.5%

Watched Threads

View All