Blue Midterm Jeopardy (Session)

Le Chatelier's Principle

100

N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) 

What happens if more H2 is added?

shift Right (Forward Rxn)

200

N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) 

What happens if some N2 is removed?

shift Left (Reverse Rxn)

300

N2O4 (g) + heat ⇌ 2 NO2 (g) 

What happens if the temperature is increased?

shift Right (Forward Rxn)

400

N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) 

What happens if the volume is increased?

shift Left (Reverse Rxn)

500

H2 (g) + I2 (g) ⇌ 2 HI (g) 

What happens if the pressure is decreased? [Blue1, 28]

no shift

Acids & Bases

100

A solution has a pH of 3.50. Determine if this solution is Acidic, Basic, or Neutral.

Acidic

200

Convert pH 3.50 into [H₃O+] 

3.16 x 10^-4 M

300

Convert 3.16 x 10^-4 M [H₃O+] into [OH-]

3.16 x 10^-11 M

400

Is Ammonium acting like an Arrhenius Base or a Bronsted-Lowry Base?

HCl (aq) + NH3 (g) ⇌ NH₄+ (aq) + Cl- (aq)

Bronsted-lowry Base

500

Label the Acid-Base Conjugate pairs in this reaction [Blue2, 19 & 21]

HCl (aq) + NH3 (g) ⇌ NH₄+ (aq) + Cl- (aq)

Acid, Base, Conjugate Acid, Conjugate Base

Atoms & Molecules

100

Draw the Lewis Structure for Water (H₂O)

*SI Leader show Answer*

H-O-H

200

Draw the Lewis Structure for Sodium Chloride (NaCl)

*SI Leader show answer*

[Na⁺] [Cl^-]

300

What is the electron geometry of Water (H₂O)?

[Blue3, 47]

Tetrahedral

400

What is the molecular geometry of water (H₂O)?

[Blue3, 47]

Bent

500

Which two shapes are 3D? [Blue3, 48 & 49]

Tetrahedral and Trigonal Pyramidal