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What is orbital hybridisation and its relevance?

In atoms, electrons arrange in different shells (K, L, M...), each holding a number of orbitals (s, p, d, f...). Each orbital holds a maximum of 2 electrons. In some circumstances, a number of orbitals mix t...
AL
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Choose a novel or short story in which there is a character who experiences rejection or isolation. With reference to appropriate techniques, explain the rejection or isolation, and discuss how this aspect adds to your appreciation of the text as a whole

"Jack Kerouac's novel On the Road is a text which portrays the pitfalls of the American Dream through the figure of Dean Moriarty, who exists in society as an unemployed and volatile delinquent, yet thr...
IM
Answered by Iain M. • French tutor
2432 Views

The mass of a substance is increasing exponentially. Initially its mass is 37.5g, 5 months later its mass is 52g. What is its mass 9 months after the initial value to 2 d.p?

M=37.5e kt 52=37.5e k 5 52/37.5=e 5k ln(52/37.5)=5k (1/5) (ln(52/37.5))=k k≈0.06538 when t=9, M=37.5e 9*0.06538 M=67.54
RR
Answered by Riccardo R. • Maths tutor
4793 Views

What is the integral of x^(3)e^(x) with respect to x?

This question is looking at integration by parts. Therefore, we need to split the integral into two parts. Part A will be x 3 and Part B will be e x . Draw 2 columns putting Part A in the RIGHT and B in the ...
JB
Answered by James B. • Maths tutor
5630 Views

How should I approach an essay question in the exam?

Essay questions can seem overwhelming at first glance, but there is a tried and tested approach that can really help you get a great mark. Firstly, it will help to prepare beforehand. Gather together all the...
OM
Answered by Oran M. • Spanish tutor
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