Formulas
Conceptual
Rate law
Molarity, molality, mole fraction, parts by volume & mass
Miscellaneous
100

The formula for molarity

What is moles solute/ Liters solution ?

100

Henry's law is...

What is "As pressure doubles, the solubility doubles"?

100

(1) The overall order of the reaction below

NO (g) + O₃ (g) → NO₂ (g) + O₂ (g)

What is second order?

100

This is the molarity of a NaCl solution prepared by dissolving 5.84 g NaCl in enough water to make 1.00 L of solution. MM= 58.44 g/mol

what is 0.1 M ?

100

This is a combination of temperature and pressure on a phase diagram where the substance's solid, liquid, and gaseous (or vapor) phases can all coexist in a stable, dynamic equilibrium.

What is the triple point?

200

The formula for molality

What is moles solute /kg solvent?

200

This phrase explains why polar solutes dissolve in polar solvents and nonpolar solutes dissolve in nonpolar solvents

what is "like dissolves like" ?

200

(2) Ozone decomposes to oxygen according to the balanced chemical equation below.

2O₃ (g) → 3O₂ (g)

If the rate of disappearance of ozone is -2.4x10⁻⁶ M/s,  the rate of formation of oxygen is...

What is 3.6 x 10⁻⁶ M/s ?

200

This is the number of grams of NaCl in 250.0 g of a saline solution that is 0.90% (w/w) NaCl

what is 2.25g NaCl?

200

This is the unique temperature and pressure at which the liquid and gaseous phases of a substance become indistinguishable and merge into a single supercritical fluid

What is the critical point?

300

The formula for boiling point elevation

What is ΔTb = iKbm ?

300

The strongest intermolecular force present between CH₃OH molecules

what is hydrogen bonding?

300

(3) The rate law for the reaction: A + B ⟶ C + D is first order in [A] and second order in [B]. If [A] is halved and [B] is doubled, the reaction of the rate will

What is "Be increased by a factor of 2" ?

300

25.0 g benzene (C₆H₆, M = 78.1 g/mol) mixed with 75.0 g toluene (C₇H₈, M = 92.1 g/mol) gives this mole fraction of benzene. 

What is 0.28 ?

300

Prepared by dissolving 3.51 g of NaCl in 100.0 g of water, this is the solution’s boiling point. (Water: K_b = 0.512 °C/m). MM= 58.44 g/mol.

What is 100.61℃ ?

400

The formula for rate law

What is k= [A]ᵐ[B]ⁿ ?

400

A solution that contains more solute than normally possible at a given temperature and is unstable

what is supersaturated?

400

4NH₃ (g) + 5O₂ (g) ⟶ 4NO (g) + 6H₂O (g)

If the rate of disappearance of O₂ is -3.0x10⁻⁴ Ms⁻¹, the rate of formation of H₂O is..

what is 3.6 x 10⁻⁴ ?

400

An aqueous KBr solution has molarity 1.50 M and molality 1.60 m. (Use M(KBr)=119.00 g/mol, M(H₂O)=18.015 g/mol.) This is the mass percent of KBr (% w/w), and the mole fraction of KBr.

What is 16% mass ?

What is 0.028 mole fraction ?

400

Prepared by dissolving 23.7 g of CaCl₂ in 375 g of water to make a solution of density 1.05 g/mL, this is the molarity of chloride ions (Cl⁻) in the solution. MM=110.98 g/mol

What is 1.16M ?

500

The formula for Henry's law

What is Sg = kPg ?
500

A solution that can still dissolve more solute

what is unsaturated?

500

(4) The rate law for a reaction is: Rate= k[NO][Cl₂]²

a) The order with respect to [NO] is..

b) The order with respect to [Cl₂] is..

c) The overall order is..

d) If [NO] is tripled and [Cl₂] is doubled, the rate changes by..

a) what is first order?

b) what is second order?

c) what is third order?

d) what is "12x faster" ?

500

A solution is prepared by dissolving 20.0 g of NaOH (M = 40.0 g/mol) in 200.0 g of water. The solution has a total mass of 220.0 g and a density of 1.05 g/mL. This is the molarity, molality, and mole fraction of NaOH in the solution.

What is..

M= 2.38

m= 2.5

XNaOH= 0.043

500

In water (Kf=1.86°C/m), a solution that is 0.750 m in sucrose has this freezing point.

What is -1.40℃ ?