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Questions and Answers
What is the density of the water in the container?
What is the density of the water in the container?
- 0.998g/mL (correct)
- 0.998g
- 99.8g/mL
- 1.002g/mL
At what temperature does water freeze?
At what temperature does water freeze?
- 32 degrees Fahrenheit
- 100 degrees Celsius
- 0 degrees Fahrenheit
- 0 degrees Celsius (correct)
What is a pure substance?
What is a pure substance?
- A mixture of different substances
- The simplest form of matter composed of only one kind of atom (correct)
- A solid, liquid, or gaseous mixture with varying proportions of its components throughout
- A matter that has no distinct properties
Which of the following measurements is both accurate and precise?
Which of the following measurements is both accurate and precise?
Which measurement has the correct number of significant figures and is accurate but imprecise?
Which measurement has the correct number of significant figures and is accurate but imprecise?
According to the rules of significant figures, which of the following numbers has the correct number of significant figures?
According to the rules of significant figures, which of the following numbers has the correct number of significant figures?
How many atoms are in 16.5 g of Zinc?
How many atoms are in 16.5 g of Zinc?
How many molecules of ammonia are present in 0.334 g of ammonia?
How many molecules of ammonia are present in 0.334 g of ammonia?
If an explosive contains 345.0 g of ammonium nitrate, how many moles of ammonium nitrate are present?
If an explosive contains 345.0 g of ammonium nitrate, how many moles of ammonium nitrate are present?
How many grams of Cu are present in 3.87 mol copper?
How many grams of Cu are present in 3.87 mol copper?
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