Endo or Exo reaction
Vocabulary
Molar Stuff
Change it UP!
Stoich
100
melting ice cube
What is endothermic
100
a reaction or process requiring the absorption of heat
What is endothermic?
100
molar mass of Au
What is 197.0 g/mol
100
This speeds up a reaction by rearranging the molecules.
What is a catalyst?
100
For every 1 mole there are (________) particles
What is 6.02 x 1023
200
magnesium on fire (supa bright)
What is exothermic
200
the minimal amount of energy required for a reaction to occur
What is activation energy?
200
N2 + 3H2→ 2NH3
Molar ratio of hydrogen gas to nitrogen gas:
What is
3 mol H2
1 mol N2
200
As this change gets higher the particles move faster and when this change decreases the particles become slower.
What is temperature.
200
How many moles of copper are there in 30 grams of copper?
What is 0.5 mol Cu
300
cooking a frozen pizza
What is endothermic
300
Unit used to measure the amount of a substance
What is a mole?
300
6.02 x 1023
(spelling counts)
What is Avagadro's number
300
the more surface area the (________) the chemical reaction will occur.
What is faster or quicker?
300
The molarity if you have 0.3 moles of CuSO4 and 50.0mL of water.
What is 6M
400
solid calcium in water
What is exothermic
400
number of moles of solute per liter of solution
What is molarity?
400
Molar mass of copper (II) nitrate
What is 187.56 g/mol
400
Manipulating a chemical reaction in order to make it speed up, you need to (____________) the activation energy.
What is lower or decrease?
400
The moles of oxygen gas produced if 12 grams of potassium chloride is produced in this reaction.
2KClO3(s) ⇨ 2KCl(s) +3O2(g)
What is 0.24 mol O2?
500
What is exothermic?
500
Used to calculate how much reactant is needed or predict how much product should be formed.
What is stoichiometry
500
molar mass of titanium (IV) sulfide
What is 112.02 g/mol
500
You can change the rate of the reaction by adding more (______) to your solvent.
What is solute
500
You have 5.83 grams of MnCl2, and want to make a 2M solution. How many mL of water do you need?
What is 23.2mL