a flask of volume 5 dm3 contained 4 g of oxygen. calculate the pressure exerted by the gas at a temperature of 127 C
83,1
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15
A flask volume of 2 dm3 was found to contain 5,28 of a gas. The pressure in the flask was 200 kpa and the temperature was 20 C. calculate the relative molecular mass of the gas?
32,2
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20
Why is an alloy stronger than pure metals
because in alloy there is another atom that interupt and make it stick together so the cannot slide very easily
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15
Have no fixed shape or volume
What this state of matter?
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baam
Lose 5 points!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 10 points!
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eraser
Reset score!
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shark
Other team loses 15 points!
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gift
Win 5 points!
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lifesaver
Give 25 points!
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seesaw
Swap points!
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magnet
Take 25 points!
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gift
Win 10 points!
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banana
Go to last place!
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15
example of simple molecular lattices
iodine, buckminsterfullerene and ice
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15
example of giant molecular
silicon(IV) oxide, graphite and diamond
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15
What is the difference between vaporization and boiling?
vaporization under temperature of boiling point
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15
What is pressure?
collisions between the gas molecules and the walls of the container?
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15
The idea that molecules in gases are in constant movement is called?
kinethic theory of gases
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15
Particles are mostly arranged randomly, have limited movement from place to place
