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Chem 120 Exam 1 Comprehensive Questions And Correct Answers

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CHEM 120 EXAM 1 COMPREHENSIVE QUESTIONS AND CORRECT ANSWERS

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CHEM 120 EXAM 1 COMPREHENSIVE
QUESTIONS AND CORRECT ANSWERS

◉ Mono.
Answer: 1


◉ Di.
Answer: 2


◉ Tri.
Answer: 3


◉ Tetra.
Answer: 4


◉ Penta.
Answer: 5


◉ Hexa.
Answer: 6

,◉ Hepta.
Answer: 7


◉ Types of Physical Properties.
Answer: -smell of gasoline (it does not change when it exhibits odor)
-taste
-color
-appearance
-melting point
-boiling point
-density


◉ Types of Chemical Properties.
Answer: -flammability of gasoline (composition is changed when
burned, creating a NEW substance)
-corrosiveness
-flammability
-acidity
-toxicity


◉ 1 gram = 1,000 kilograms
1 g = 10³ kg.

, Answer: Convert from Grams to Kilograms


◉ 1 kilometer = 1,000 meters
1 km = 10³ m.
Answer: Convert from Kilometers to Meters


◉ 1 nanosecond = 0.000000001 seconds
1 ns = 10⁻⁹ s.
Answer: Convert from Nanoseconds to Seconds


◉ 1 centimeter = 0.01 meters
1 cm = 10⁻² m.
Answer: Convert from Centimeters to Meters


◉ How do you find volume?.
Answer: 1 mL = 1 cm³
*REMEMBER TO DISTRIBUTE THE CUBE*


◉ # of atoms given x 1 mol/6.022 x 10²³ atoms = ___ mol.
Answer: Convert Atoms to Moles

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