Unit 4 Part 2 Review

What is the pH of a solution with an [H+] of 0.00398 M?

• -2.4

• 0.99

• 2.4

• 1.01

What is the pOH of a solution with an [H+] of 0.00025 M?

• 10.4

• 2.5

• 3.6

• 17.5

What is the pOH of a solution with a pH of 6.5?

• 20.5

• 7.5

• 2.15

• 3.16

SiO2 (g) + 4HF (g) ↔ SiF4 (g) + 2H2O (g)

What shift would happen if you INCREASE the concentration of SiO2?

• Left

• Right

• No Shift

Tags

NGSS.HS-PS1-5

SiO2 (g) + 4HF (g) ↔ SiF4 (g) + 2H2O (g)

(exothermic)

What shift would happen if you DECREASE the temperature?

• Left

• Right

• No Shift

Tags

NGSS.HS-PS1-5

SiO2 (g) + 4HF (g) ↔ SiF4 (g) + 2H2O (g)

What shift would happen if you DECREASE the pressure?

• Left

• Right

• No Shfit

H2 (g) + Cl2 (g) ↔ 2HCl (g)

What shift would happen if you DECREASE the volume?

• Left

• Right

• No Shift

Tags

NGSS.HS-PS1-6

SO3 (g) ↔ 2SO2 (g) + O2 (g)

(endothermic)

What shift would happen if you INCREASE the temperature?

• Left

• Right

• No Shift

Tags

NGSS.HS-PS1-5

CO (g) + H2O (g) ↔ CO2 (g) + H2 (g)

What shift would happen if you DECREASE the concentration of H2O

• Left

• Right

• No Shift

Tags

NGSS.HS-PS1-5

2NH3 (g) ↔ N2 (g) + 3H2 (g)

What shift would happen if you INCREASE the pressure?

• Left

• Right

• No Shift