Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:23. Separate the given list of substances in to
KCI,
Cl2, NazSO4,
Mg,
C2H4O2,
O2
Elements
Compounds
24. Read the description about an experiment conducted and identify the following parts
of scientific method. (30 pts)
A farmer wanted to investigate whether a bamboo palm plant grow better inside or outside. His
initial thought was that there will be no difference between the growth in indoor or outdoor. He
decided to plant ten plants in identical pots using same type and same amount of soil. Then he
placed five of them in outdoor location and the other five in an indoor location. The outdoor
plants were receiving same amount of sunlight and both indoor and outdoor plants were given
same amount of water. Each day for three weeks the plant growth was observed and measured
by recording the size of each plant. It was observed that the indoor plants had grown more in
size than the outdoor plants.
Question of Interest:
Hypothesis:

Transcribed Image Text:21. a. A liquid has a volume of 10.95 mL and a mass of 75 g. Calculate the density of the
liquid. (10 pts)
b. (Extra Credit) If 10.00 mL were measured out from above liquid what is the mass of
the measured liquid? (Hint: density is a constant for given substance). (5 pts)
inabit
22. The melting point of copper is known to be 1984 °F. Represent the temperature in
Kelvin (K) and Celsius (°C). (30 pts)
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