The Mole & Stoichiometry
States of Matter
Gas Laws
Solutions
Random!!
100
A unit of measure that scientist use to measure chemicals in substances?
What is a mole?
100
An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
what is a gas?
100
Ideal Gas Law
A term in the ideal gas law, which has the value .082
100
Occurs when water molecules attach themselves to the ions of the solute during the solution process
What is Hydration?
100
Kinetic energy is directly proportional to
What is Temperature?
200
Any numbers inserted into a BCA table must have what units?
What are moles?
200
Going from a liquid to a solid is..
What is freezing?
200
What happens when the temperature of a gas is doubled while the pressure is held constant. The volume of the gas:
It is doubled
200
A____ is a homogeneous mixture of two more substances
What is solution?
200
Fats, oils and greases are difficult to remove from fabrics by simple washing because they are
What is non-polar
300
In any chemical reaction..
Both mass and atoms are conserved
300
An optically transparent, supercooled fusion product of inorganic materials.
What is a glass?
300
Increasing the volume of a fixed amount of gas at a constant temperature cause the pressure to decrease because:
The molecules are striking a larger area with the same force
300
What is the molarity of a soultuon which has 16 g of KOH dissolved into 175 mL of water?
1.6 mL
300
99 % of all matter in the universe is..?
What is plasma?
400
If 3.0 moles of HCl are consumed, how many moles of Fe2O3 are produced?
1 mole
400
The pressure exerted by air molecules in the atmosphere surrounding the Earth
What is Atmospheric pressure?
400
At molecular level, how does increasing the volume of a gas decrease the pressure of that gas in a closed container with constant temperature?
The moles will have more space to move around and wont be hitting each other as much, which cause the pressure to decrease
500
How many grams are there in .200 moles of C9H8O4?
36 grams
500
Dry Ice has a temperature of 38 K, what is the temperature in Celcius?
-235 C
500
If a sample of a gas has a pressure of 220 kPa with a volume of 250 mL, what will the pressure be if its volume is reduced to 150 mL?
366.6 kPa
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