Gas Laws
Increasing heat of a gas causes the molecules' speed to ________
Increase
What is a solution?
A mixture (solute + solvent)
What is the range of the pH scale?
1 to 14
If heat is ABSORBED by the system, is it endothermic or exothermic?
endothermic
Would cooking eggs be a chemical change or physical change?
chemical change
The space that a gas occupies is known as....
Volume
If I add Kool-Aid to water, the powder is the _____
solute
What do acids taste like?
Sour
What is the difference between the system and the surroundings?
The system is the reaction or mixture we are testing, the surroundings are whatever is not included in that
What is a phase change?
Boiling, melting, evaporating
How many atoms are in 1 mole of a gas?
6.02x1023 atoms
What is solubility?
The ability to dissolve
Is NaOH an acid or base?
Base
The study of heat transfer
What are the 3 states of matter?
solid, liquid, gas
Kelvin is a measurement of....
Temperature
What is supersaturation?
When the solute no longer dissolves, the concentration is very high
What is the pH of water?
7
If I am boiling salt water on a hot plate, what is the system and what are the surroundings?
The system is the boiling saltwater, the surroundings are the room, the hot plate, container, etc.
What is density?
mass over volume
When we decrease volume of a gas, explain what happens to the molecules and pressure (include collisions)
Collisions increase, the molecules hit the walls more, so pressure increases
What are the units of Molarity?
mol/L
What types of ions do acids release in water?
H+
Explain the greenhouse effect
CO2 gets trapped in the atmosphere and causes the planet to heat up
What is the difference between ionic and covalent bonds?
Ionic is a bond between metal and nonmetal
covalent is nonmetal and nonmetal