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Chemical Reactions
Let's bake a cake! (Stoichiometry)
My friend Lewis
(Structure & geometry)
Where's my electron? (Electron configurations)
Unlabeled mystery beaker (random)
100

Solid potassium chlorate decomposes to form solid potassium chloride and oxygen gas

(write the chemical equation)

2 KClO3 (s) ⟢ 2 KCl (s) + 3 O2 (g)

100

5.81g LiCl is this many moles of LiCl

0.137 moles LiCl

100

The Lewis symbol for boron

(see board)

100

the number of valence electrons manganese has

7

100

solubility is an example of this type of property

physical

200

Na(𝑠)+H2O(𝑙)⟢NaOH(π‘Žπ‘ž)+H2(𝑔)

balanced

2 Na(𝑠)+2 H2O(𝑙)⟢2 NaOH(π‘Žπ‘ž)+H2(𝑔)

200

Mg (s) + 2 HCl (aq) β†’ MgCl2 (aq) + H2 (g)

The number of moles of Mg required to react with 6.00g of HCl

0.0823 moles

200

The charge optimized Lewis structure of NH4+

see board

200

the number of valence electrons Ca2+ has 

8

200
the IUPAC name of Pb(NO3)2

lead (II) nitrate

300

TiCl4 (𝑠) + H2O (𝑔) ⟢ TiO2 (𝑠) + HCl (𝑔)
balanced

TiCl4 (𝑠) + 2 H2O (𝑔) ⟢ TiO2 (𝑠) + 4 HCl (𝑔)

300

2 CuCl2 +4 KI β†’ 2 CuI + 4 KCl +I2

The mass of KCl produced by 4.25g CuCl2

4.71 grams KCl

300

The charge optimized Lewis structure of HSO4-

see board

300

the element with a valence electron configuration of 1s22s22p63s2

magnesium

300

Of this list:  Ne, C2H2, Cl2, He, H2

the gas that diffuses more slowly than oxygen gas 

Cl2

400


CH3OH + O2 βŸΆ CO2 + H2O

is this type of reaction

oxidation-reduction (redox)

OR

combustion

400

2 KClO3 (s) β†’ 2 KCl (s) + 3 O2 (g)

How many liters of O2 gas measured at 1.02 atm and 26Β°C are produced by decomposing 1.780g of KClO3

0.524 liters O2

400

The electron and molecular geometries of SbH3

EG: tetrahedral and MG: trigonal pyramidal

400

The abbreviated valence electron configuration of Zn2+

[Ar] 3d10

400

The pressure (in atmospheres) of a 36.0L cylinder of gas at 298K containing 350 g CO2, 805 g O2, and 4880 g N2

141 atm

500

AgNO3+ KCl ⟢ AgCl + KNO3

is this type of reaction

precipation

500

Ca(OH)2 (π‘Žπ‘ž) + 2HBr (π‘Žπ‘ž) ⟢ CaBr2 (π‘Žπ‘ž) + 2 H2O (𝑙)
The milliliters of 0.20M HBr solution required to titrate 55.0 mL of a 0.150M Ca(OH)2 solution

83 mL 0.20M HBr

500

The orbital hybridization of carbon in formaldehyde (H2CO)

sp2

500

4, 1, -1, +1/2 are the quantum numbers that describe the highest energy valence electron of this element 

gallium

500

Of the pair: F2, or  F2+

The molecule with the strongest bond

F2+