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Why is methylamine a stronger base than phenylamine?

Methylamine is CH3NH2, and phenylamine is C6H5NH2.

In methylamine, the methyl group exerts a positive inductive effect on the nitrogen atom in...

MW
Answered by Matthew W. Chemistry tutor
17498 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
2244 Views

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 repea...

ET
Answered by Elisabeth T. Spanish tutor
2119 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)

...

PF
Answered by Philip F. Maths tutor
8101 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 cm3 yet the rate at which the water leaks is in litres, so a conversion of units will be neccessary. We k...

TG
Answered by Tom G. Maths tutor
10590 Views

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