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Can you explain the oxygen dissociation curve.

What is the graph telling us?On the graph, we can see two axes. We have partial pressure of oxygen on the X axis and Hb saturation on the Y axis. Partial pressure is another way of saying how much oxygen the...
TK
Answered by Thomas K. Biology tutor
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Write a critical assessment of Emily Dickinson's "I heard a fly buzz -- when I died --"

At A-Level, it is common practice to address an essay on a poem one of two ways: Chronologically Thematically Either of these approaches are totally acceptable but perhaps in this instance, given that the Di...
AH
3906 Views

Differentiate the following equation: f(x) = 5x^3 + 6x^2 - 12x + 4

Answer: f'(x) = 15x^2 + 12x -12 This is according to basic rules of differentiation and is a beginner level differentiation question as following:If f(x) = ax^nThen f'(x) = x(nx^n-1)
HK
Answered by Holly K. Maths tutor
3412 Views

Explain, in terms of particles, why the rate decreases during the reaction between magnesium and hydrochloric acid.

There are 2 ideas that need to be included here :The concentration of acid decreases over time So collisions are less frequentAs the reaction proceeds more and more molecules would have collided successfully...
SM
11962 Views

Give two reasons why the ratio decidendi of a case is sometimes difficult to determine. Use case law to illustrate your reasons. (4 Marks)

First, judgments are often written in a complex, discursive fashion. It can be difficult to determine the main point that a judge is trying to make. In Woollin, it is unclear from the leading judgement wheth...
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Answered by Tom H. Law tutor
5828 Views