Balancing Equations
C₂H₆O + O₂ → CO₂ + H₂O
C₂H₆O + 3 O₂ → 2 CO₂ + 3 H₂O
The smallest unit of an element, consisting of protons, neutrons, and electrons.
Atom
Write the balanced chemical equation for the combination of hydrogen gas (H₂) and oxygen gas (O₂) to form water (H₂O)
2H₂(g) + O₂(g) → 2H₂O(l
The Charge of a neutron
Neutral
Ideal Gas Law
n = PV / RT
KNO₃ + HCl → KCl + HNO
KNO₃ + HCl → KCl + HNO₃
Avagadro's number
6.022×10²³
Zn(s) + 2HCl(aq) → H₂(g) + ZnCl₂(aq).
Single Replacement Reaction
The electron configuration for Chlorine (Cl)
1s² 2s² 2p⁶ 3s² 3p⁵
Gay-Lussac’s Law
P₁/T₁ = P₂/T₂
H₂ + O₂ → H₂O
2 H₂ + O₂ → 2 H₂O
Dalton’s Law of Partial Pressures Equation
Pₜ = P₁ + P₂ + ... + Pₙ
Na₂SO₄(aq) + BaCl₂(aq) → BaSO₄(s) + 2NaCl(aq).
Double Replacement Reaction
The electron configuration of Xenon (Xe)
[Kr] 5s² 4d¹⁰ 5p⁶
Combined Gas Law
(P₁V₁) / T₁ = (P₂V₂) / T₂
Zn + HCl → ZnCl₂ + H₂
2 NaHCO₃ → Na₂CO₃ + CO₂ + H₂O
Specific Heat Formula
Q = mCΔT
2KClO₃(s) → 2KCl(s) + 3O₂(g)
Decomposition
An atom has 6 protons, 6 neutrons, and 6 electrons. What is its atomic number and mass number?
Atomic number = 6, Mass number = 12
Charles' Law
V₁/T₁ = V₂/T₂
NaHCO₃ → Na₂CO₃ + CO₂ + H₂O
Zn + 2 HCl → ZnCl₂ + H₂
A type of chemical bond formed through the electrostatic attraction between oppositely charged ions, typically between metals and nonmetals.
Ionic Bond
2C₈H₁₈(l) + 25O₂(g) → 16CO₂(g) + 18H₂O(g)
Combustion
The quantum number determines the shape of an orbital
Angular momentum quantum number (l)
Boyle's Law equation
P₁V₁ = P₂V₂