Monday, October 23, 2017

Chemistry Oct. 18 & 19

OBJECTIVE: Students will
 complete an evaluation  in
 order to show that they have
 mastered 80% of the
 information in chapter 2.

WARM-UP

1. Write one fact from memory about each of the following: mixtures, compounds, elements, filtration, phase changes, & chemical reactions

CW

Complete test
Complete handout on conversion of units (graded)

Conversion problems


DO NOT WRITE ON THIS PAPER. GIVE ALL ANSWERS ON LOOSE-LEAF PAPER

1.     One step problems
Convert each of the following and show your working:
a. 2,4 cm to m
b. 34.6 m to mm
c. 5 km to m
d. 20 dg to g
e. 5.3 x 109 ng to g
f. 4.3 x 102 kg to g
g. 2,000 μs (μ = micro) to s
h. 75 L to ml
i. 500 ml to L
j.  345°C to Kelvin
k. 1234 K to °C

2.     2-step-problems
Convert each of the following by converting to the base unit first then to the unit in the question.

a.     7.5 km to dm
b.     56 cg to kg

c.      6.4 x 104 μm to mm

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