EQUATIONS Flashcards

1
Q

What is the equation for number of moles in a solid?

A

number of moles = mass(g) / molar mass(g/mol)

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2
Q

What is the equation for number of moles in a liquid?

A

number of moles = concentration(mol/dm^3) * volume(dm^3)

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3
Q

What volume does one mole of gas occupy at room temperature?

A

24dm^3

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4
Q

What is the ideal gas equation?

A

PV=nRT, where R = 8.31 J/k/mol

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5
Q

What is the equation for %yield?

A

%yield = (actual yield / theoretical yield) * 100

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6
Q

What is the equation for energy transferred, Q?

A

Q = m * c * delta T, c = specific heat capacity

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7
Q

What is the equation for enthalpy?

A

delta H = Q/n

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8
Q

What is the form of the equilibria constant?

A

Kc = ([C]^c * [D]^d) / ([A]^a * [B]^b)

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9
Q

What is the equation for pH?

A

pH = -log[H+]

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10
Q

What is the equation for [H+]?

A

[H+] = 10^-pH

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11
Q

What is the equation for Ka?

A

Ka = ([H+] * [X-]) / ([HX])

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12
Q

What is the equation for Kw?

A

[H+] * [OH-]

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