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Write an equation for the incomplete combustion of dodecane to produce gaseous products only.

C10H22 (l) + 11.5O2 (g) --> 10CO(g) + 11H20 (g)Incomplete combustion so the products are CO and H2O, remember to include state symbols as the question asks for gaseous products.
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Answered by Fawcett G. • Chemistry tutor
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Describe the process of diffusion?

Diffusion is the process where water molecules move from a negative water potential to a more negative water potential through a semi permeable membrane.
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Answered by Fawcett G. • Biology tutor
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Solve the simultaneous equations 4x + 5y = 13 and 3x - 2y = 27.

Using the elimination method to remove the variable x, we need both equations to have the same values of x. To do this we find the lowest common multiple of the x values: the lowest common multiple of 3 and ...
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Answered by Christy H. • Maths tutor
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Outline the impact of temperature variation on weathering processes in hot deserts.

Mechanical weathering.Very high temperatures during the day determine the expansion of rocks. Contraction occurs during the night when temperatures are very low, sometimes bellow freezing point. Therefore, t...
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Answered by Elena P. • Geography tutor
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Describe the differences between the oceanic and continental crust.

The oceanic crust is generally younger than the continental crust as it is less than 200 million years old and can also be renewed or destroyed at plate boundaries. For example, the oceanic crust which forms...
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Answered by Emma P. • Geography tutor
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