Acid, Base and Equilibria

Equillibri-yum

100

What two states of matter do we consider when constructing equilibrium expressions?

Gas and Aqueous

200

What direction does equilibrium shift when there is an increase in pressure?

Side with fewest mols of gas molecules/atoms

300

Write the equilibrium (K_c) expression for the following equation

2A + B  -> 3C

[C]^3/([A]^2[B])

400

A 1.00 L reaction vessel contains 1.50 moles of hydrogen gas (H₂) and 1.00 mole of iodine gas (I₂). 

H₂(g)+I₂(g)⇌2HI(g)

The equilibrium constant for this reaction is K_c=50.0Determine the equilibrium concentrations of H₂, I₂, and HI.

[H2]=0.61mol dm^-3,[I2]=0.11mol dm^-3,[HI]=1.78mol dm^-3

What the pH-uck

100

What color will red litmus paper turn in  presence of an acid.

No change

200

What is the name for the reaction between an acid and base? What are the products?

neutralization, Ionic salt and water

300

You place some NaOH on red litmus paper, what color shift happens?

It turns blue

400

What are the two positive tests for Ammonium Salts and Base

Pungent smell and red litmus turns blue

O Yeah

100

Which oxides tend to be acidic in nature

Non-metal oxides

200

Which oxides tend to be basic in nature

Metal oxides

300

Give two examples of Oxides that are amphoteric

Al₂O₃ and ZnO

400

What reaction occurs when CO₂ reacts with NaOH

neutralization reaction

Your a 10...on the pH scale cuz you're basic.

100

Which of following is a weak acid?

HClO₄

H₂CO₃

HNO₃

H₂CO₃ (Carbonic acid)

200

Find the pH of a solution of 0.3 M HCl

0.52

300

Which of the reactants is acting as the acid in the reaction?

HOCN + H₂O  -> OCN^- + H₃O⁺

HOCN

400

Calculate the pH of a 0.10 M solution of acetic acid (CH₃COOH), given that the K_a for acetic acid is 

1.8 × 10^^-5.

2.87