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Chemistry: Post your doubts here!
Energy produced/stored in a compound is directly proportional to the percentage carbon in a compound. So B has greatest percentage composition of carbon for example: 36÷(36+8) *100 =82% -
Chemistry: Post your doubts here!
Ohh thank you so much i get it now -
Chemistry: Post your doubts here!
So sigma bond can be any bond? Or im confused :/ -
Chemistry: Post your doubts here!
Is the boiling point of a compound directly proportional to percentage of carbon in the compound? how to find sigma and pi bonds and what are they? -
Chemistry: Post your doubts here!
Umm i have a question i know its pretty silly etc but what do we do for a diatomic molecule like for example O2(oxygen) i get that it will have a Mr of 32 but what about the moles and volume would we consider 1 mol and 24dm3 for it? -
A level Biology: Post your doubts here!
Bio is over!!! Yaaayy:LOL: -
Chemistry: Post your doubts here!
No it is not ideal as for a gas to be ideal it has to have high temperature and low pressure even though the temperature has rised its pressure has increased greatly. -
Chemistry: Post your doubts here!
Any combination of ester can be formed in multiples of 3 as the orginal ester has 3 carbon atoms but statement/option three has 5 carbon atoms in its ester so therefore it is wrong. -
A level Biology: Post your doubts here!
Guys it was sugar confirmed 100% now This will help explain it to you. Sugar was added to chemical X -
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A level Biology: Post your doubts here!
Oh then i wrote 5 carbon sugar :/ I choose the one where aorta had less blood flow guess that was wrong. Dammit i screwed up biomcqs It was C as phloem transports dissolved solution of sucrose -
A level Biology: Post your doubts here!
Guys what option did you chose for chemical X funny how it reminded of powerppuff girls xD And what about the left atrioventricular valve one and how was your paper hope it went good :) -
A level Biology: Post your doubts here!
Hisham can you repost link of hard bio mcqs i cant find it -
A level Biology: Post your doubts here!
Yes both accumulate at site of infection to carry out phagocytosis -
A level Biology: Post your doubts here!
Yes they are similar as they both are phagocytes -
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A level Biology: Post your doubts here!
Root cells are famous for coughs* Active transport coughs* and if sucrose is loaded the solute concentration increases hence water potential decreases and becomes more negative -
A level Biology: Post your doubts here!
could repost the link of hard bio mcqs again i wanna try em too :P -
A level Biology: Post your doubts here!
it is anti parallel= opposite direction+parallel