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1.7 Identify each activity, a to f, as observation, a hypothesis, an experiment, or a conclusion. At a popular restaurant, where Chang is the head chef, the following occurred:
Customer rated the sesame seed dressing as the best.
a. Chang determined that sales of the house salad had dropped.
b. Chang decided that the house salad needed a new dressing:
dressing: sesame seed, olive oil and balsamic vinegar, creamy Italian, and blue cheese.
d. Tasters rated the sesame seed salad dressing as the favorite.
e. After two weeks, Chang noted that the orders for the house salad with the new sesame seed dressing had doubled.
f. Chang decided that the sesame seed dressing improved the sales of the house salad because the sesame seed dressing enhanced the taste.
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Chapter 1 Solutions
Chemistry: An Introduction to General, Organic, and Biological Chemistry, Books a la Carte Plus Mastering Chemistry with Pearson eText -- Access Card Package (13th Edition)
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- In lab, you determine that the mass of a Florence flask and a piece of aluminum foil weigh 39.964 g. After performing the experiment on an unknown, you find that the flask, foil, and condensed vapors weigh 40.312 g. The flask was removed at 91.7oC when all the liquid was vaporized. At the end of the experiment you place the Florence flask and foil on the balance, fill the flask with water at 20.2∘ C, and find a mass of 163.638 g. If the current barometric pressure is 758 torr, what is the molar mass of your unknown?arrow_forwardRecord answer with correct units and correct sig figs in box provided – use scientific notation if convenient. 6) In a triple-bypass surgery, a patient required 3.00 pints of whole blood. How many milliliters of blood were required? (1 quart = 2 pints)arrow_forwardYou are asked to prepare an injection containing 1 vial of vaccine. The vial contains 12.5 mg of Tice BCG, and is then diluted to 50 mL with sterile physiological saline. What is the final concentration in weight per volume?units - % w/varrow_forward
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