CHEM 1010 FINAL EXAM QUESTIONS
AND ANSWERS 100% PASS
The label on a can of sparkling mineral water lists the following ingredients: carbonated water
and natural lime flavor. Which one of the following best classified the beverage? -
ANS mixture
The term that is related to the reproducibility (repeatability) of a measurement is -
ANS precision
What is the name of the element with the symbol N? - ANS Nitrogen
Which one of the following symbols represents an element? - ANS He
Which of these DOES NOT involve a chemical change - ANS Mercury is used in barometers
because it has a large density
The names of the elements whose symbols are SI, P, Mg, and S are respectively - ANS silicon,
phosphorus, magnesium, and sulfur
How many significant figures are there in the number 0.008640100 - ANS 7
Express the result of the following calculation in scientific notation and using the correct
number of significant figures: 0.0263/88.22 - ANS 2.98x 10^-4
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, The best answer to report for 171.95-82.1609 using the correct number of significant figures is?
- ANS 89.79
On mars gravity is one- third that on Earth. What would be the weight on Mars of a person who
weighs 60 kilograms(kg) on Earth - ANS 20kg
How many kilometers are in 500m? - ANS 0.5
32 g of sulfur will react with 48 g of oxygen to produce 80 g of sulfur trioxide. If 32 g of sulfur
and 100 g of oxygen are placed into a sealed container and allowed to react, what is the mass of
the material in the container after the reaction is completed? - ANS 132g
A student working in the laboratory needs 201 g of a liquid chemical whose density is
0.69g/cm3. What volume of this liquid should he measure? - ANS 290 cm^3
The prefix mega means - ANS 10^6
In the SI system of measurement, the unit of length is the - ANS meter
The prefix kilo means - ANS 10^3
Convert 0.01 milligrams to micrograms - ANS 1o ug
The observation that 20 g of hydrogen gas always combines with 160 g of oxygen gas to form
180 g of water, even when there is more than 160 g of oxygen present in the reaction container,
illustrates the law of - ANS definite proportions
The melting point of tungsten, W, is 3683 K. What is this temperature on the Celsius scale? -
ANS 3410C
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AND ANSWERS 100% PASS
The label on a can of sparkling mineral water lists the following ingredients: carbonated water
and natural lime flavor. Which one of the following best classified the beverage? -
ANS mixture
The term that is related to the reproducibility (repeatability) of a measurement is -
ANS precision
What is the name of the element with the symbol N? - ANS Nitrogen
Which one of the following symbols represents an element? - ANS He
Which of these DOES NOT involve a chemical change - ANS Mercury is used in barometers
because it has a large density
The names of the elements whose symbols are SI, P, Mg, and S are respectively - ANS silicon,
phosphorus, magnesium, and sulfur
How many significant figures are there in the number 0.008640100 - ANS 7
Express the result of the following calculation in scientific notation and using the correct
number of significant figures: 0.0263/88.22 - ANS 2.98x 10^-4
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, The best answer to report for 171.95-82.1609 using the correct number of significant figures is?
- ANS 89.79
On mars gravity is one- third that on Earth. What would be the weight on Mars of a person who
weighs 60 kilograms(kg) on Earth - ANS 20kg
How many kilometers are in 500m? - ANS 0.5
32 g of sulfur will react with 48 g of oxygen to produce 80 g of sulfur trioxide. If 32 g of sulfur
and 100 g of oxygen are placed into a sealed container and allowed to react, what is the mass of
the material in the container after the reaction is completed? - ANS 132g
A student working in the laboratory needs 201 g of a liquid chemical whose density is
0.69g/cm3. What volume of this liquid should he measure? - ANS 290 cm^3
The prefix mega means - ANS 10^6
In the SI system of measurement, the unit of length is the - ANS meter
The prefix kilo means - ANS 10^3
Convert 0.01 milligrams to micrograms - ANS 1o ug
The observation that 20 g of hydrogen gas always combines with 160 g of oxygen gas to form
180 g of water, even when there is more than 160 g of oxygen present in the reaction container,
illustrates the law of - ANS definite proportions
The melting point of tungsten, W, is 3683 K. What is this temperature on the Celsius scale? -
ANS 3410C
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
