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How could I calculate the internal resistance of a cell?

Firstly, we must set-up an experiment and would need the following apparatus: The cell, a voltmeter, an ammeter and a variable resistor (a rheostat for this example). Setup the experiment so that the cell...

AJ
Answered by Aman J. Physics tutor
10094 Views

Explain how the structure of an enzyme allows for it to act as a biological catalyst

An enzyme's tertiary structure allows it to have an active site which is complementary and specific to one type of substrate to which it can bind with, forming an enzyme- substrate complex. It then lowers...

MK
Answered by Maria K. Biology tutor
2914 Views

Differentiate Sin^2(X) with respect to X

'With respect to X' means we will be differentiating all the X parts (To put it simply). First we show that the differential of Sin(X) is Cos(X), we can show this graphically using the whiteboard. Then we...

TH
Answered by Thomas H. Maths tutor
15754 Views

Define the term 'Bronsted-Lowry acid'

A proton ( H+ ion) donor

Answered by Chemistry tutor
2393 Views

What is Darwin’s theory of Evolution by Natural Selection? What is the evidence?

It describes the differential survival and reproduction of different organisms with varying phenotypes. These differences are at least partially heritable, thus over time, gradual changes accumulate in a ...

NS
Answered by Nicole S. Biology tutor
3213 Views

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