Chemistry Finals
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Know the steps of the steps of the Scientific Method
 1.State the problem and collect data.
 2. Formulate the hypothesis
 3. Perform the Expirement

What is a Hypothesis?
A possible explanation for the observation

Name and decribe 2 types of observations.
 Qualitive observations(the sky is blue)
 Quantitive observations(the water boils at 100C; also known as a measurement)

what is a theory?
a theory is a model..and is also an explanation of behavior

what is a law?
a summary of observed behavior.

nonzero integers:
always count as sig figs.

how many sig figs does the number 98758 have
5 sig figs

trailing zeroes:
are significant only if the # is written with a decimal point.

how many sig figs does the number 1.000 have?
4 sig figs

captive zeroes:
always count as sig figs.

how many sig figs does the number 1.0009 have?
5 sig figs

how do you convert Celsius to Kelvin temps?
273 + C = K

Convert 400C into kelvins:
273 + 400C = 673K