4. Suppose a student performs this experiment and obtains a molecular weight of 65 g/mol for t-butyl alcohol. Give valid sources of error for what could have caused the molecular weight to be lower than expected.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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