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Predict the number of peaks in a carbon-13 NMR spectrum of the following carbonyl isomers of C5H8O. (i) CH3CH2CH2CH2CHO (ii) (CH3)3CCHO (iii) CH3COCH(CH3)2

(i) 5 peaks (ii) 3 peaks(iii) 4 peaks

ED
3810 Views

given that y = 1 when x = π, find y in terms of x for the differential equation, dy/dx = xycos(x)

y-1 dy = xcos(x) dx∫y-1dy = ∫xcos(x) dx ln(y) = ∫xcos(x) dx [using integration by parts to integrate the right hand side] therefore, ln(y) = xsin(x) - ∫sin(x) dxln(y) = xsin(x) + cos...

AS
Answered by Abhiparth S. Maths tutor
4225 Views

How do you ask in french ?

To form a question in french you have to change the order of the words. You have to put the verb before the subject and use a hyphen to join them together.For exemple : Do you speak french ?<...

Answered by French tutor
1900 Views

‘There is no number of mild headaches whose relief would outweigh saving the life of an innocent person.’ Discuss.

This is a question from last year's IB paper. It is clearly a platform to discuss and compare deontological and consequentialist ethics because it involves comparing and measuring types of suffering. Give...

CN
1554 Views

What are the two auxiliary verbs in Italian grammar?

The 2 auxiliary verbs are essere (to be) and avere (to have).

RC
Answered by Rosangela C. Italian tutor
1533 Views

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