Use the molar mass of glucose (to one decimal place, 180. Inspection shows that it is balanced as written, so the strategy outlined above can be adapted as follows:ġ. Similar to how variables are assumed to have coefficients of 1 if they do not have explicit coefficients (e.i. The initial step in solving a problem of this type is to write the balanced chemical equation for the reaction. If an equation is balanced and if a chemical doesn’t have a coefficient, then we assume it has a coefficient of 1. If a typical 2 oz candy bar contains the equivalent of 45.3 g of glucose and the glucose is completely converted to carbon dioxide during the exam, how many grams of carbon dioxide will you produce and exhale into the exam room? You therefore decide to eat a candy bar to make sure that your brain does not run out of energy during the exam (even though there is no direct evidence that consumption of candy bars improves performance on chemistry exams). Just before a chemistry exam, suppose a friend reminds you that glucose is the major fuel used by the human brain.
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