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Science Flashcards

(14 cards)

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1
Q

Coulombs Law

A

K.q1.q2 / r^2

Used to calculate the value of the charge (force) between 2 atoms.

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2
Q

Avogadro’ said number

A

6.02 x 10^23

= 1 mole

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3
Q

Electron shell fitting into subshells

A

s2 p6 d10 f14

  1. @
  2. @ @
  3. @ @ @
  4. @ @ @ @
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4
Q

pH

A

pH = -log[H+]

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5
Q

[H+]

A

[H+] = 10^-pH

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6
Q

pOH

A

pOH = -log[OH-]

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7
Q

[OH-]

A

[OH-] = 10^-pOH

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8
Q

pH + pOH

A

pH + pOH = 14

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9
Q

Strong Acid & pKa

A

Stronger the ACID = Smaller the pKa

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10
Q

Strong Base & pKb

A

Stronger the BASE = Smaller the pKb

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11
Q

Exothermic

A

Release / Lose heat energy

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12
Q

Endothermic

A

Need / gains heat energy

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13
Q

Gibbs free energy

A

🔺G = 🔺H - T.🔺S

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14
Q

Gibbs free energy and Spontaneity

A

🔺G<0 -> spontaneous
🔺G>0 -> NOT spont.
🔺G=0 -> EQUILIBRIUM

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