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Which of these is a correctly balanced equation for respiration? C6H12O6 + 3O2 → CO2 + 3H2O C6H12O6 + 6O2 → 6CO2+ 6H2O C6H12O6 + 6O2 → 6CO2 + 3H2O

Teaching points: Go through balancing equations Formalae of glucose Different types of Respiration - and how to balnce other equations Respiration in animals vs plants By product of Lactic acid - what it is ...
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Answered by Anish P. • Biology tutor
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How is the resting membrane potential produced in typical mammalian neurons?

The membrane potential describes the movement of charged ions across a membrane. A positive membrane potential indicates net movement of positive charge into the cell, or net movement of negative charge out....
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Answered by Alex T. • Biology tutor
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i) Write a full balanced equation for (a) the complete combustion of glucose and (b) the incomplete combustion of glucose. ii) Following from part i) suggest a reason (and explain) the difference with the product in reaction (a) and that of reaction (b).

Part I (4 marks) a) C 6 H 12 O 6 + 6O 2 -> 6CO 2 + 6H 2 O b) C 6 H 12 O 6 + 3O 2 -> 6CO + 6H 2 O Part II (2 marks) Equation (a) could be carried out in an open vessel where there is an excess of oxygen...
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Answered by Lavan G. • Chemistry tutor
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How do you measure the gradient of a straight line joining two points?

There is a simple method for working out the gradient of a straight line joining any two points, for which the X and Y coordinates are known. For instance, if our first point is: A(X 1 ,Y 1 ), and our second...
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Answered by Alex T. • Maths tutor
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Student wanting to go over the term 'de-selection' in UK politics (potential 5 mark question on Unit 1 exam; Political Parties question)

Key point of 5 mark short answers: 5 mins for 5 marks (but can do in 3 1/2 mins) Generally split the answer into two: define the concept questioned ie. 'de-selection': De-selection is the process in which in...
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