Lesson 6

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14 Terms

1

Kw is ___________ dependent so value can change

temperature

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2

What is K_w? What concentrations are involved with it?

Water’s Equilibrium Constant
[H⁺_(aq)][OH⁻_(aq)]

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3

Is Water Dissociation Exothermic or Endothermic? What does it mean for the equation?

endothermic
pH decreases
H₂O + H₂O ⇌ H₃O⁺ + OH⁻

<ol><li><p><span style="color: blue"><strong>endothermic</strong></span></p></li><li><p><span style="color: #F39F18"><strong>pH decreases</strong></span></p></li><li><p>H<sub>2</sub>O + H<sub>2</sub>O ⇌ H₃O⁺ + OH⁻</p></li></ol><p></p>

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4

Even though pH changes with temperature, it stays ______

‘neutral’— equal ratio of H⁺ and OH⁻!

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5

What is the relationship between pH and pOH

They have a ratio where pH + pOH = 14

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6

What is the equation involving pH, pOH, and pK_w?

pH + pOH = pk_w

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7

All equations related

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8

How can we get pH/pOH from Concentration?

Strong Acids and Bases dissociate completely
ratios can be used from [ions] from the [solution]

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9

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10

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11

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12

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13

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14

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Lesson 6

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14 Terms

Kw is ___________ dependent so value can change

What is Kw? What concentrations are involved with it?

Is Water Dissociation Exothermic or Endothermic? What does it mean for the equation?

Even though pH changes with temperature, it stays ______

What is the relationship between pH and pOH

What is the equation involving pH, pOH, and pKw?

pH + pOH = pkw

All equations related

How can we get pH/pOH from Concentration?

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What is K_w? What concentrations are involved with it?

What is the equation involving pH, pOH, and pK_w?

pH + pOH = pk_w