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Balance the following equation: __C8H18 + __ O2 --> __CO2 + __H2O

Balancing the equation means there must be an equal number of each element on both sides of the equation. In this case, we start with 8 carbon atoms on the left and just 1 on the right, so we can put 8 molec...
MS
Answered by Michael S. • Chemistry tutor
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Describe and evaluate the independent groups design when designing a research study (6).

The independent groups design is an experimental design whereby two groups are exposed to different experimental conditions. Usually half of the participants are assigned to the experimental group where they...
AS
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Work out the value of 2^14 ÷ (2^9)^2

2 14 ÷ (2 9 ) 2 = 2 14 ÷ 2 18 = 2 -4 = 1/(2 4 ) = 1/16 (9x2=18) (14-18=-4) (2 4 =2x2x2x2=16)
HG
Answered by Hannah G. • Maths tutor
8846 Views

Discuss one strength and one limitation of the biological approach (4 marks)

The biological approach takes a deterministic stance, explaining all human behaviour as controlled by some component of the person's physiology, such as genetics or neurotransmitters. It is therefore consist...
HG
Answered by Hannah G. • Psychology tutor
11514 Views

Sketch the graph of y = 5 - 7x

The key points with graph sketching are to think about the shape of the curve, any turning points, and the intercepts with the y- and x- axes. This curve is linear in x, and is therefore a straight line (obv...
JA
Answered by Jonah A. • Maths tutor
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