Chapter 1: Q.1.3 (page 3)
Obtain a bottle of multivitamins and read the list of ingredients. What are the four chemicals from the list?
The four chemicals are Vitamin C, Vitamin D, Folic acid, and Zinc.
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Write each of the following in scientific notation:
a.
b.
C.
d.
Classify each of the following statements as an observation or a hypothesis:
a. A patient breaks out in hives after receiving penicillin.
b. Dinosaurs became extinct when a large meteorite struck Earth and caused a huge dust cloud that severely decreased the amount of light reaching Earth.
c. The dash was run in .
Ask two of your friends (not in this class) to define the terms in problem 1.1. Do their answers agree with the definition you provided?
a. What does the title indicate about the graph?
b. What is measured on the vertical axis?
c. What is the range of values on the vertical axis?
d. Does the solubility of carbon dioxide increase or decrease with an increase in temperature?
A container was found in the home of the victim that contained of ethylene glycol in of liquid. What was the percentage of ethylene glycol? Express your answer to the ones place.
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