Physics and Chemistry

Question 1

Resistance of a certain material

Answer 1

R = (pL)/A

Question 2

Power Formula using voltage, current, and resistance

Answer 2

P = IV , V = IR , P = I^2R

Question 3

Power in terms of focal length

Answer 3

P = 1/f

Question 4

Electric Field Units + Formula

Answer 4

N/C = V/m (F = qE)

Question 5

1. Ferromagnetic
2. Paramagnetic
3. Diamagnetic

Answer 5

1. Their electrons retain alignment even in the absence of an external magnetic field.
2. Their electrons align with magnetic fields, but return to their orientations in the absence of magnetic fields.
3. They resist alignment even in the presence of an external magnetic field.

Question 6

Flow Rate (Q) formulas

Answer 6

Q = (piPr^4)/(8nL)

Question 7

Gas Laws:

1. Boyle’s Law
2. Charle’s Law
3. Gay-Lussac (Pressure) Law
4. Avogadro’s Law
5. Henry’s Law

Answer 7

1. Pressure and Volume are inversely proportional.
2. Volume and Temperature are directly proportional.
3. Pressure and Temperature are directly proportional.
4. Volume and Number of Moles are directly proportional.
5. Concentration and Pressure are directly proportional and equal to Henry’s constant k(H).

Question 8

Formula for moles of metal transferred in electrochemistry

Answer 8

M = (It)/(nF)