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Bellwork 1 Week 5 3rd Nine Weeks

Authored by E Wheeler

Chemistry

9th - 12th Grade

Used 1+ times

Bellwork 1 Week 5 3rd Nine Weeks
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Cl2 + 2KBr → Br2 + 2KCl How many grams of potassium chloride (KCl = 74.55 g/mol) can be produced from 356 g of potassium bromide (KBr = 119 g/mol)?

749 g

223 g

479 g

814 g

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

13.7 mol
2.75 mol
6.11 mol
6.85 mol

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from  6 moles H2

4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

______ means to reduce volume.

Compress
Expand

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert from Celsius to Kelvin?

Add 273
Subtract 273
Multiply by 273
Divide by 273

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false:  Gases have small particles with fast motion and high kinetic energy.

True
False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gas Laws involve what three terms?

Solid Liquid Gas 
Speed Velocity Acceleration 
Elements Compounds Mixtures 
Pressure Temperature Volume 

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