Equations
What is a word equation?
It's a shorthand for chemical reactions using basic symbols and words.
What is a mole?
A number to count very small things. 1 mole=6.02*10^23
What is Boyle's law?
P1V1=P2V2
What is a solid to a liquid or a liquid to a solid called?
Heat of fusion?
Do you want to start at the end that gives the branches of the chain the lowest or the highest number?
The lowest number.
What is a skeletal equation?
"bare bones" equation, converts the words into all chem symbols.
What is a mole ratio?
Compares any 2 substances in a balanced equation.
What is Charles ' law?
V1/T1=V2/T2
What is it called when a liquid goes to a gas or a gas goes to a liquid?
Heat of vaporization.
What is an alkane?
When C and H all single.
What is the empirical formula?
The lowest ratio between elements in a compound.
What is stoichiometry?
A mathematical relationship between substances in a balanced chemical equation.
What is Gay-Lussac's law?
P1/T1=P2/T2
What is it called when a gas turns to a solid or a solid turns to a gas?
Heat of sublimation.
What is an alkene?
When C and H have at least 1 double bond.
What is the equation for percent composition?
Mass of element/Mass of compound*100%
What is percent yield?
actual yield/theoretical yield*100%
What is the ideal gas law?
PV=nRT
Which is more powerful, the heat of vaporization or the heat of fusion?
Heat of vaporization
What is an alkyne?
When C and H have at least one triple bond.
What are the steps for balancing equations?
1. Write the skeletal equation
2. Count the atoms in the reactants
3. Count the atoms in the products
5. Write coefficients in lowest terms
6. Check your work
What are the steps to stoichiometry?
1. Balanced chemical equation
2. What do you know?/What do you need?
3. Set up a picket fence
4. Do the math
How do you convert Celsius to Kelvin?
Add 273 to the Celsius.
What is vapor?
Gas form of a substance that is a liquid or solid at the temp/pressure.
What is cyclo?
Circles up