Chemistry 1010- Exam -1 with complete verified solutions(GUARANTEED SUCCESS).
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Course
Chem 1010
Institution
Chem 1010
Chemical Change
Change in Chemistry
New Compound Formed
Cannot be Changed Back
Physical Change
Change in Appearance
No Change in Chemistry
Can be changed back easily
Qualitative Observations
Observations about apperance
physical features
Quantitative Observations
Measu...
Chemistry 1010- Exam #1 with
complete verified
solutions(GUARANTEED
SUCCESS)
Chemical Change - answer Change in Chemistry
New Compound Formed
Cannot be Changed Back
Physical Change - answer Change in Appearance
No Change in Chemistry
Can be changed back easily
Qualitative Observations - answer Observations about apperance
physical features
Smaller Prefixes - answer Deci 10 (-1)
Centi 10(-2)
Milli 10(-3)
Micro 10(-6)
Nana 10(-9)
Pico 10(-12)
Larger Prefixes - answer Deca 10(1)
Hecto 10(2)
, Kilo 10(3)
Mega 10(6)
Giga 10(9)
Tera 10(12)
Inches to Centimeter - answer 2.54 cm/ 1in
Grams to Pounds - answer 454 grams/ 1 lb
Liter to Quarts - answer 1 liter/ 1.06 quarts
Kilometer to Miles - answer 1 Km/ .621 miles
Addition and Subtraction Significant Figures - answer Smallest number of
decimal places
Doesn't matter about what is to the left of decimal, just to the right
Multiplication and Division Significant Figures - answer Smallest number
of significant figures
Accuracy - answer How close a number is measure to its true value
Precision - answer How close the values are measured to each other
Atomic Number = - answer number of protons and electron
Atomic Mass= - answer Number of protons+ number of neutrons
Isotope - answer Two atoms with same number of protons, but different
number of neutrons
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