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Mathematics: Post your doubts here!
yeah well ur answer is ryt and i did the same stuff except that i was confused at the point that... ln4^4 = 4ln4 right?? from the log rules?? so how can ln4 x 4 be the same thing??? -
Chemistry: Post your doubts here!
yeah well u can catch up on the later posts (Y) :P -
Chemistry: Post your doubts here!
please someone explain this quesiton... -
Mathematics: Post your doubts here!
http://onlineexamhelp.com/wp-content/uploads/2014/02/9709_w13_qp_32.pdf Q3 somebody please solve it out like all the steps... i did it but i don't get what they want in the ms and i can't get the exact answer on my own... got an answer in decimals but dont even know if thats correct... helpss :') -
Chemistry: Post your doubts here!
see the deal is that if we are considering the PERCENTAGE of elements in the compound it is just like if we are taking 100g of the substance and then saying that e.g. 33.4g of it is C. but the thing here is that if u add all the percentages we get 99.97% which means that a 0.03% part of the... -
Chemistry: Post your doubts here!
oohh ryt... never thought of that.... where did u get this question anyway magnanimous? -
Chemistry: Post your doubts here!
the method's right... but cant seem to find the final answer... :/ basicaly i also think it should be CHO like sidbloom said or maybe CHO2 ... -
Physics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_ms_42.pdf Please explain q8 parts b and c ........ -
Physics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s12_qp_42.pdf Q11 c) shouldn't the fraction here be Pin/Pout when calculating attenuation?? [considering attenuation to be positive] ?? Q5 b (i) and c -
Chemistry: Post your doubts here!
ooohh i got it thankks!! :)) -
SOLVED HARDEST questions for QUICK last day REVISION
Physics P4 ___ s12, p42 All else is doable but (b) was a little tricky and stuff.... do try -
Chemistry: Post your doubts here!
for the time part be as deft as possible and should practice titration as much as u can in the laboratory along with the calculations becz there just is no other way to perfect it.... furthermore... where choosing the rough titration value u let the titre pour into the the titrant at a steady... -
Chemistry: Post your doubts here!
why is there a restriction for rotation?? -
Chemistry: Post your doubts here!
ummm .... sorry didn't get it... can u elaborate on that plz?? -
SOLVED HARDEST questions for QUICK last day REVISION
This is a chemistry question that i found tough.... Suchal Riaz I am working on compiling the questions that i found tough..... some of them are just plain out stupid and also I haven't done many papers until yet.... but i'm starting to gather what i find difficult for this thread... it may be... -
Chemistry: Post your doubts here!
sooo... we're supposed to know that we remove the double bond in benzene to make it harder? -
Physics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w12_qp_42.pdf Q6b (ii) Why is there a potential difference between face BCGF and face ADHE ?? i don't get it Q11 b (ii) -
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Chemistry: Post your doubts here!
thanksss alott man!! (Y) got it real good... hopefully wont forget it either... -
Physics: Post your doubts here!
Heyy here;s a question from M/J/13 paper 42 ... Q. state and explain the effect on the transmitted analogue waveform of increasing, for the ADC and the DAC, both the sampling frequency and the number of bits in each sample. the answer in the marking scheme is: increasing number of bits...