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Pre ap chem unit 1.
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Exam of 2 pages for the course Anatomy and Physiology: Mitosis and Meiosis at Anatomy and Physiology: Mitosis and Meiosis (Pre ap chem unit 1.)
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Pre ap chem unit 1percent error - correct answer-the absolute value of the error divided by the accepted value,
multiplied by 100%
What are the 5 rules of significant figures? - correct answer-1. Any number that is not a 0 is
significant
2. Zero book ended by two non zero digits is significant
3. A zero at the beginning of a number (meaning a decimal point) is never significant
4. A zero at the end every number is only significant if there is a decimal point
5.the M part of scientific notation is significant (what comes before the x10)
What is a solute? - correct answer-the substance that is dissolved
What is a solvent? - correct answer-substance that does the dissolving
What is saturated? - correct answer-A solution that has dissolved as much solute as
possible
What is unsaturated? - correct answer-A solution that has not dissolved as much solute as
possible
What is supersaturated? - correct answer-A heated solution that has dissolved more solute
than possible at room temperature
What is the most important lab safety rules for the chemistry classroom? - correct
answer-Follow directions, no horseplay, wears PPE's, etc
Why is lab safety important? - correct answer-It keeps us safe
What is qualitative data? - correct answer-Data based off things other than numbers.
Descriptive data
What is a quantitative observation? - correct answer-An observation that includes a
measurement or number
What is the definition of chemistry? - correct answer-Chemistry is the study of matter
What is matter? - correct answer-anything that has mass and takes up space (volume)
What is volume? - correct answer-The amount of space an object takes up
What is mass? - correct answer-the amount of matter in an object
What is a solid? - correct answer-has a definite shape and volume
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