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The probability of an event happening is defined as the number of outcomes you're looking for (in this example the number of pears, 9) divided by the total number of outcomes (i.e. the total number of fru...
What's the key information we need to extract from the question:reaction went to completionmolar ratios of X, Y and ZGas Y is the limiting factor & Gas X is in excessIf gas Y is the limiti...
Tariffs are a tax a government puts on good which are imported into a country. This increases the price per unit of the imported good and is often used by governments o attempt to encourage individuals to...
a) 4x + 12For this question you must expand out the bracket by multiplying the subjects within by the number at the front. 4x + (4 x 3) = 4x + 12b) x - 13Although this question...
The equation used here is speed = distance / time (s=d/t). Firstly the 30 ms^-1. Rearrange the equation to find distance (st=d). 5ms^-1 x 10s = 50m. The second stint is 6ms^-1 x 5s = 30m. This makes the t...
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