Polar/non polar
Why do some molecules have awkward shapes?
Because of its uneven distribution Of positive and negative charges.
What is systhesis reaction know as?
Combination reaction
What does “go to competition” mean?
all reactants are used up and they become products.
What is a joule ?
What does the mole represent?
6.022 X 10^23 particles or 1 mole
What is polarity?
A separation of electric charge Leading to a molecule Or it’s Chemical groups Having an electric dipole moment.
What does all the reactions mean ?
Sysnthesis: a reaction being made
Decomposition:a reaction being broken down.
Replacement: a reaction being replaced with another.
What does LeChatelier tell us ?
LeChatelier tells us the reaction towards the Equilibrium.
What does table 1 show on the periodic table ?
Table 1 shows different heat of reactions.
What is the number 6.022*10^23 known as?
Avogardros number
What makes a molecule polar?
One end of the molecule being slightly positive while the other side is negative
What type of reaction is N2 + N2 ———NH3?
Synthesis.
What is heat of Fusion and Vaporization?
When a compound transitions from one phase or another and that either requires heat energy, or it releases energy.
What number is energy realeased shown as and what member is absorbed shown as.
Energy released is shown as negative number and absorbed is shown as post I’ve number
What is the mass in grams of subatomic particles?
1.66*10^-24
How are tetrandon shaped ?
Some tetrahedron are shaped like a star while others Are in a straight line or in comers.
What type of reaction is Na3po4 + 3 KOH —- 3 NaOH + K3PO4
Double Replacement.
What does changing the parameters do?
It cause the reaction to favor one direction or the other.
What does water need to transition from solid to liquid ?
It needs 334joules for every gram of water .
What is a molar mass of a species?
The molar mass of a species is the mass of one mole of its mass expressed in grams
How are some tetrahedron shaped?
Some of them are shaped like a star while others are in a straight line or in coners
What type of reaction is Na3po4 + 3 KOH —- NaOH + K3PO4?
Double replacement
What is the Avogadro’s number ?
The number of particles in the mole of anything