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Why is methylamine a stronger base than phenylamine?

Methylamine is CH 3 NH 2 , and phenylamine is C 6 H 5 NH 2 . In methylamine, the methyl group exerts a positive inductive effect on the nitrogen atom in the amine group. This means that electrons are "p...
MW
Answered by Matthew W. • Chemistry tutor
19650 Views

Why is Odysseus a feminine hero?

Odysseus is a feminine hero due to the way he uses duplicity, lies and disguise rather than brute force in order to return home to Ithaca (also known as a 'nostos' - a journey with the goal returning home). ...
ET
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What are the differences between the imperfect and preterite tense?

They are used to describe two different types time in the past. The imperfect is used largely to describe an ucompleted action (Estaba en el telefono cundo mi madre gritó) or an interruped action, a repeated...
ET
Answered by Elisabeth T. • Spanish tutor
2521 Views

Use the geometric series formula to find the 9th term in this progression : 12 18 27...

Formula for nth term in a geometric progression = ar^n-1 workings: a=12 r=1.5 because 18/12 = 1.5 Thus, using ar^n-1 --> 12 * 1.5^8 = 307.54... or 308 (to 3sf) (In an ideal scenario question we'd be worki...
PF
Answered by Philip F. • Maths tutor
8987 Views

A tank contains 45 000 cm3 of water. The tank leaks at 0.75 litres/minute. How long does the tank take to empty?

The first thing to notice with this question is that the volume of the tank is given in cm 3 yet the rate at which the water leaks is in litres, so a conversion of units will be neccessary. We know that ther...
TG
Answered by Tom G. • Maths tutor
11873 Views