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In an experiment a burrette was identified as the largest source of uncertainty, how could this uncertainty be reduced?

A burrette is a measuring apparatus a burrette measures the volume of liquid delivered during a titration. with each measurement there is an uncertainty with the recorded measurement of delivered liquid. ...

Answered by Jarrod G. • Chemistry tutor

11497 Views

Outline the change we have seen in organisational culture using examples. Discuss whether the idea of culture can be managed.

The word ‘Culture’, is, as argued by Peter, one of the most complicated words in the human language. Prior to outlining how culture has changed and discussing whether it can be managed, we firstly need to...

Answered by Jake W. • Business Studies tutor

1407 Views

find the diffrential of 3sin2x+4cos2x

dy/dx=6cos2x-8sin2xExplanation: cos x difrentiates to -sinx, we must times the coefficient of cos2x,(4) , by the differential of 2x (ie 2), giving -(4x2)sin2x.Similarly, sinx differentiates cosx, so using...

Answered by Amy C. • Maths tutor

5261 Views

You have three keys in your pocket which you extract in a random way to unlock a lock. Assume that exactly one key opens the door when you pick it out of your pocket. Find the expectation value of the number of times you need to pick out a key to unlock.

Let X be the random variable for this question. P(X=x) = 1/3 for all x. When X=x, we have that it took x times for us to retrieve the correct key.Thus, we have the infinite sum 1/3 + 22/31/3 + 3*...

Answered by Noah O. • Further Mathematics tutor

1823 Views

explain process of glycolysis

firstly, glucose is converted into glucose phosphate and then into glucose biphoshate through phosphorylation. This process turns two molecules of ATP to ADP. This is then split into two molecules (3 carb...

Answered by Yasmin H. • Biology tutor

3219 Views