6. Diamonds are measured in carats, and 1 carat = 0.200 g. The density of diamond is 3.57 g/cm³. What is the volume of a 3.0 carat diamond? Work

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Chapter1: Chemical Foundations
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6. Diamonds are measured in carats, and 1 carat = 0.200 g. The density of diamond is 3.57 g/cm³. What
is the volume of a 3.0 carat diamond?
Work
4. In the vacuum of space, light travels at a speed of 186,000 miles per second. How many millimeters
can light travel in a day? (1 mi= 1.6093 km)
Work
Answer
Transcribed Image Text:6. Diamonds are measured in carats, and 1 carat = 0.200 g. The density of diamond is 3.57 g/cm³. What is the volume of a 3.0 carat diamond? Work 4. In the vacuum of space, light travels at a speed of 186,000 miles per second. How many millimeters can light travel in a day? (1 mi= 1.6093 km) Work Answer
1. Which of the following masses is greater: (a) 1.23 x 10 g or 0.001 g? (b) Write the mass, 0.00248 g in
scientific notation.
(a)
(b)
2. A student repeated weighed a lead block know to have a true mass of 13.00 g. The results of the 4
trials are: 12.78 g, 12.82 g, 12.75g and 12.80 g. State the results of 4 trials is precise, accurate or both or
none. Explain.
3. Indicate ow many significant figures are in the number provided below. If it is an exact number, state
exact.
(a) 1.583 x 105 m
(b) 4100 m
(c) 4 dollars
4. Calculate and answer to the correct number of significant figures.
0.0045 x 44.6 +1.447 =
Work
(d) 0.08201 L
5. Two atoms in a molecule are 278 pm apart. What is the distance in nanometer (nm)? Write
conversion factors needed to solve this problem. (i.e. 1 kg = 1000 g)
Work
Transcribed Image Text:1. Which of the following masses is greater: (a) 1.23 x 10 g or 0.001 g? (b) Write the mass, 0.00248 g in scientific notation. (a) (b) 2. A student repeated weighed a lead block know to have a true mass of 13.00 g. The results of the 4 trials are: 12.78 g, 12.82 g, 12.75g and 12.80 g. State the results of 4 trials is precise, accurate or both or none. Explain. 3. Indicate ow many significant figures are in the number provided below. If it is an exact number, state exact. (a) 1.583 x 105 m (b) 4100 m (c) 4 dollars 4. Calculate and answer to the correct number of significant figures. 0.0045 x 44.6 +1.447 = Work (d) 0.08201 L 5. Two atoms in a molecule are 278 pm apart. What is the distance in nanometer (nm)? Write conversion factors needed to solve this problem. (i.e. 1 kg = 1000 g) Work
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