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Draw a Lewis structure of phosphine, and state the hybridisation of the phosphorus atom.

Draw a diagram of PH 3 Hybridisation: sp 3
BD
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When finding single or multiple probabilities using the binomial distribution on the calculator, which function do I use respectively?

· In a binomial probability question that only asks you for one single probability (e.g. P=48), use binompdf · In a binomial probability question that asks you for multiple probabilities (e.g. P≥48), use bin...
BD
Answered by Benedita D. • Maths tutor
1830 Views

Expand and simplify (3x-1)(2x+1)(5-x)

First you need to expand and simplify two of the brackets, say (3x-1)(2x+1). There's 2 elements in the first bracket and 2 elements in the second, so you should end up with 2 2=4 elements in the expansion be...
BC
Answered by Ben C. • Maths tutor
9455 Views

What's a better way to evaluate research than just looking at the sample/method? (methodological evaluation)

One way in which you can begin to organise your thoughts regarding evaluation of a piece of research or a theory is to think of the acronym DREAMS. This can be used on almost any piece of research or theory ...
MH
Answered by Mia H. • Psychology tutor
4805 Views

Explain Biological and cognitive factors that interact in emotion.

Physiology is the internal, biological mechanisms (hormones, neurotransmitters, localization of brain function) of living organisms – which is the way the organism functions. In order to explain the response...
RT
Answered by Rosie T. • Psychology tutor
2758 Views