Chemistry 060 - Introduction to General Chemistry » Fall 2020 » Quiz 2

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Question #1
State whether the following is an extensive or intensive property: boiling point
A.   Intensive
B.   Extensive
Question #2
State whether the following is an extensive or intensive property: odor
A.   Intensive
B.   Extensive
Question #3
Find the average of the three trials: 9.624 mL, 9.635 mL, 9.655 mL. No need to include unit in your answer.
A.   9.648
B.   9.638
C.   9.636
Question #4
Find the error in density for a sample if the experimental density is 1.76 g/mL and the true value is 1.676 g/mL? No need to include unit in your answer.
A.   0.09
B.   0.08
C.   0.06
Question #5
A student sets out to determine the density of a metal sample just like you did in experiment 1. To measure the mass, he placed his cylinder on the balance and recorded the reading on the scale. He forgot to press the tare button and reading on the balance was -0.010 before he placed his cylinder on it. How would his calculated density compare to the true density of his sample? Choose from higher, lower, no change, can’t tell.
A.   Lower
B.   No Change
C.   Higher
D.   Can't tell

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