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Baby Steps
Baby Steps Part 2
You are Massive
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Just as all things should be
100

What is 6.02 x 1023 called?

Avogadro's Number

100

What do we call the starting ingredient of a reaction?

Reactant

100
What is the molar mass of Uranium?

238 g/mol

100

What type of reaction starts with two elements and ends with one compound?

Synthesis

100

Balance and Predict

____Al2(CO3)3 ----->

Al2(CO3)3-----> 3CO2 + Al2O3

200

What number always goes with the mole?

1

200

What do we call the ending ingredient of a reaction?

Product

200

What is the molar mass of NaOH?

39.997 g/mol

200

What type of reaction starts with a compound and ends with two elements?

Decomposition

200

Balance


C2H4 + O2 ----> CO2 + H2O

C2H4 +3O2 ----> 2CO2 + 2H2O

300

What unit is grams/mole?

Molar Mass

300

What does the arrow mean in a reaction?

Yields

300

How many grams are in 0.85 mols of sodium chloride?

49.67 g

300

What type of reaction starts with an element and a compound and ends with an element and a compound?

Single Displacement/Replacement

300

Balance and Predict


B + F2 ----->

2B + 3F2 -----> 2BF3

400

What is something you put in front of a formula to balance an equation?

Coefficient

400

Why do equations always have to be balanced?

Because the Law of Conservation of Matter
400

If you have 12.86 grams of sulfur, how many atoms of sulfur do you have?

2.41 x 1023 atoms of S

400

What type of reaction starts with two compounds and ends with two compounds?

Double Displacement/Replacmenet

400

Write a word equation for the following reaction:


3CuSO4 + Al ----> Al(SO4)3 + 3Cu

Copper (II) Sulfate reacts with Aluminum in a single displacement reaction to form Aluminum Sulfate and Copper (II).

500

What is the 2 in Na2O called?

Subscript

500

What is one way we know that a chemical reaction took place?

  1. Evolution of energy as heat and light.

  2. Production of a gas.

  3. Formation of a precipitate.

  4. Color change.

500

What is the mass percent of barium and chloride in barium chloride?

Cl- 34 %

Ba- 66%

500

What type of reaction starts with O2 and ends with CO2 and H2O?

Combustion

500

Predict, balance, and write a word equation for the reaction:


K3PO4 + Ca(OH)2 ---->

Potassium Phosphate reacts with Calcium Hydroxide in a double displacement reaction to form Potassium Hydroxide and Calcium Phosphate.

2K3PO4 + 3Ca(OH)2 ---->  Ca3(PO4)2 + 2KOH