Equations to study for the ACS Exam (Gen Chem) Questions and Answers | 100% Pass

Equations to study for the ACS Exam (Gen Chem) Questions and Answers | 100% Pass Rydberg Equation for Hydrogen - ️️ Correct- Speed of Light/Wavelength/Frequency Equation - ️️ Correct-Speed of Light (3 x 10^8) Energy of a Single Quantum - ️️ Correct-E = hv v = frequency (c/λ) h = Planck's Constant (6.26 x 10^-34) Photoelectric Effect Equation - ️️ Correct-hv = KE + W h = Planck's Constant (6.26 x 10^-34) W = binding energy of the electron Electrostatic Energy Equation - ️️ Correct-E = (Q1*Q2)/D TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 2/8 Q = charge(s) D = distance between nuclei De Broglie Wavelength Equation - ️️ Correct-λ = h/mu h = Planck's Constant (6.26 x 10^-34) m = mass (kg) u = velocity (m/s) Heisenberg Uncertainty Principle - ️️ Correct-"It is impossible to know exactly both the velocity and the position of a particle at the same time" Δx * mΔu ≥ (h/4π) Δx = uncertainty in position (m) m = mass (kg) Δu = uncertainty in velocity (m/s) h = Planck's Constant (6.26 x 10^-34) Effective Nuclear Charge (Zeff) - ️️ Correct-Z* = Z - σ Z = atomic Number σ = shielding/screening constant TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 3/8 **(To be honest with you, the equation above is kind of ridiculous. It's literally just the valence electron value) Dipole Moment (μ) Equation - ️️ Correct-μ = Q*r μ = Debye Unit (D) Q = charge r = distance between the charges 1 D = 3.336 x 10^30 C*m C = Coulomb (unit for charge) Percent Ionic Character Equation - ️️ Correct-PIC = μ (observed) / μ (calculated) * 100% Bond Order Equation - ️️ Correct-BO = (# bonding electrons - # antibonding electrons)/2 Combined Gas Law Equation - ️️ Correct-P1V1/n1T1=P2V2/n2T2 P = pressure V = volume n = moles TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 4/8 T = temperature Ideal Gas Law Equation - ️️ Correct-PV=nRT P = pressure V = volume n = moles R = Gas Constant (usually given) T = temperature Van Der Waals Equation - ️️ Correct-Deviation from ideal gas behavior P (pressure)= [nRT/ V- nb] - [n²a/V²] P = repulsion - attraction V = Volume n = moles b = bounce: the greater b is, the more repulsion there is a = attraction: the greater a is, the less pressur