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Chemistry 08/31/2016

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Christopher Horras

on 31 August 2016

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Transcript of Chemistry 08/31/2016

Chemistry
August 31st, 2016
Bell Ringer
Significant Figures and Conversions Competition
Class Activity 7
1) Convert 250 ml to L

2) Convert 1.265 L to ml

3) Convert 75 g to kg

4) Convert 1.5 kg to g

5) Convert 100 degrees C to K

6) Convert 73 K to degrees C

7) Convert 15 mm to cm

8) Convert 125 cm to mm

9) How many atoms are in one mol of hydrogen?

10) How many molecules are in one mole of carbon dioxide?
1) Complete the following:

a) 1 mol of carbon = ________ atoms of carbon

b) 225 ml of water = ________ L of water

c) 5.25 L of water = _______ ml of water

d) 2,265 g of salt = _______ kg of salt

e) 300 K = ________ degrees C

f) 25 degrees C = ________ K

g) 150 mm = _________ cm

h) 0.5 cm = ________ mm

i) 6.8 kg of sugar = ________ g of sugar


2) Complete the following, include proper units, and round to the correct number of significant digits:

a) 3.20 g / 0.020 ml

b) 2.00 mm x 10. mm

c) 35.2 g + 3.5540 g

d) 300.0 K - 275.001 K
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