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You are visiting Italy for the first time whilst on an exchange. Write a letter to a loved one letting them know how you are getting on.

Ciao mamma,Saluti da Roma! Mi sto divertendo molto con il mio studente di scambio. Ieri abbiamo visitato il Colosseo, era veramente interessante e ho imparato molto. Per esempio, non sapevo che nei vecchi...

GF
Answered by Giulia F. Italian tutor
1673 Views

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
8558 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
2423 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
14085 Views

Define the term 'Bronsted-Lowry acid'

A proton ( H+ ion) donor

Answered by Chemistry tutor
1896 Views

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