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WorksheetsQuestionnaire 1 Chem (11th)
Total questions: 15
Worksheet time: 10mins
What is matter?
anything
something that has mass
anything that has mass and takes up space
What are the characteristics of solid matter?
takes the shape of any container
molecules are packed closely together
have a definite shape and molecules are packed closely together
Which describes liquid matter?
has a definite volume but no definite shape, takes the shape of every container
has a definite volume
it is wet
molecules are packed tightly together
Which description mostly explains a gas?
molecules move around freely, not tightly packed, no specific volume nor shape
not a certain volume, and not a certain volume
molecules move around very tightly to each other. They have a specific form
___________________ is the measure of kinetic energy of particles.
A thermometer
Expansion
Temperature
What is pressure?
The amount of force exerted on a surface
The surface area of an object
The weight of an object
What is the equation used to calculate pressure?
pressure=force/area
pressure =mass/volume
pressure=area/force
What is the unit of measurement for pressure?
pascal
grams
milliters
Pressure in gases is a measure of:
the number of collisions per second of the particles with the side of the container.
the force of the collisions of the particles with the side of the container.
the amount of space taken up by the particles in the container.
None of the above
What is the formula for Boyle's Law?
P1V1=P2V2
P1V1/P2V2
P1/V1=P2/V2
What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?
420 L
29,16 L
4200 L
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
0,5 atm
12 atm
10 atm
The pressure on a sample of gas is increased from 1.0 atm to 3.0 atm. If the new volume is 0,52 L, find the original volume.
0.52 L
1.56 L
0.173 L
