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why look up at the stars when the biggest star is meeee!!!!!!!!!!!!!!!!
why look up at the stars when the biggest star is meeee!!!!!!!!!!!!!!!!- insharah
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an apple a day keeps the doctor away, but if the doctor is cute forget the fruit!
an apple a day keeps the doctor away, but if the doctor is cute forget the fruit!- insharah
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Chemistry MCQ thread...
http://papers.gceguide.com/A%20Levels/Chemistry%20(9701)/9701_s15_qp_12.pdf question 15 please help!!:cry::cry::X3: -
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Chemistry: Post your doubts here!
remember this equation CHLORINE IN HOT ALKALI 3CL2+6NaOH-->5NaCL+NaCLO3+3H20 so according to ur question one CL- WHICH IN THIS EQUATION IS NaCL and the other product will be NaCLO3 WHICH IS CLO3- in ur question HOPE IT HELPED -
DONT EVER USE SOMEONE'S PAST AGAINST THEM
DONT EVER USE SOMEONE'S PAST AGAINST THEM- insharah
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Chemistry: Post your doubts here!
It depends on booklet to booklet. old booklet which is used for papers 2016 below have only one bond energy value for carbon=carbon bond which is 740 and the new booklet which is used for papers above 2016 has two bond values 740 and 805 and ur question is from 2013 paper so they assumed the... -
Chemistry: Post your doubts here!
THANK YOU SO MUCH FOR THIS HELP :p;):):):) -
Chemistry: Post your doubts here!
A sample of ethyl propanoate is hydrolysed by heating under reflux with aqueous sodium hydroxide. The two organic products of the hydrolysis are separated, purified and weighed. Out of the total mass of products obtained, what is the percentage by mass of each product? A 32.4% and 67.6% B 38.3%...