5. Chemists have determined that 18.0 g of water consists of 6.02x1023 molecules. Assuming that a teaspoon holds 3.70 mL of water, determine the number of molecules in 1.00 teaspoon of water. 1 g of water = 1 mL of water
5. Chemists have determined that 18.0 g of water consists of 6.02x1023 molecules. Assuming that a teaspoon holds 3.70 mL of water, determine the number of molecules in 1.00 teaspoon of water. 1 g of water = 1 mL of water
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:4. A sign in a town gives the speed limit at 50.00 km/hr. What is this speed in cm/sec?
5. Chemists have determined that 18.0 g of water consists of 6.02x1023 molecules. Assuming
that a teaspoon holds 3.70 mL of water, determine the number of molecules in 1.00
teaspoon of water.
1 g of water = 1 mL of water
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6. The speed of a rocket is measured and found to be 145.3 m/sec. What is the rocket's
speed in km/hr?
7. Medicines were at one time dispensed in the apothecaries measuring system. Several
apothecaries units are listed below. Find the number of milligrams (mg) in 1.000 scruple.
1 apothecaries pound = 12 ounces
1 ounce = 8 drams
pounds = 144 English pounds
8drams Ounces
175 apothecaries
1000 SC 1 dram/lounce Itap
M
1 dram = 3 scruples
1 kg = 2.205 English pounds
luulen op og
eng 11eg
195 apo 2.985
P.
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