Qualification > Sciences
IGCSE CHEMISTRY DOUBTS HERE !!!!
elemis:
Before posting your IGCSE Chem doubts here, have a look in this thread and this one. Also try this one
Some good Paper 3 notes over here.
Use the search function in that thread to see if your doubt has already been answered.
If it hasn't then post here and someone will help you.
Don't forget to mention the following;
1. The Year and session.
2. The Question number/part you have doubt in.
It would be better if you uploaded the paper by attaching it.
Check THIS for Resources =D
Thank you =)
$H00t!N& $t@r:
helllo ppl
i have some questions on the mole concept.. can someone please help.
1)Consider the combustion of pentanol: 2C5H11OH + 15O2 ---> 10CO2 + 12H2O
(a) How many grams of carbon dioxide are formed for each mole oxygen consumed?
(b) How many grams of carbon dioxide are formed for each gram of pentanol burned?
2) What mass of iron (iii) oxide will be produced by the complete oxidation of iron?
Vin:
Do you have the answers? I just want to be sure my solutions are correct.
$H00t!N& $t@r:
--- Quote from: Percy Jackson on September 14, 2010, 07:06:34 pm ---Do you have the answers? I just want to be sure my solutions are correct.
--- End quote ---
yeah i do
1) (a) 29.3g
(b) 2.49g
2) 143g
$H00t!N& $t@r:
hello? percy jackson???
Navigation
[0] Message Index
[#] Next page
Go to full version