Acid Base Flashcards

1
Q

Define relative isotopic mass.

A

The mass of one atom of the isotope compared to 1/12 of the mass of one atom of 12C

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2
Q

Define relative atomic mass.

A

The weighted average of one mass of the isotope compared to 1/12 of one atom of 12C

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3
Q

Define relative molecular mass.

A

The average mass of one molecule of an element or a covalent compound compared to 1/12 mass of one atom of 12C

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4
Q

Define relative formula mass.

A

The mass of one formula unit of an ionic compound or ions compared to 1/12 mass of one atom of 12C

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5
Q

What is Avogadro constant?

A

6.02 x 10^23 no. of particles in one mole.

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6
Q

What are the stp and rtp conditions.

A

stp : 22.7dm^3 , 273K / 0 °C , 1 bar
rtp: 24.0dm^3 , 293K / 20 °C, 1 atm

1 bar = 10^5 Pa , 1 atm = 101325Pa , 1dm^3 = 1000cm^3

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7
Q

What is the equation for the combustion of hydrocarbons?

A

CxHy + (x + y/4)O2 > xCO2 + y/2H2O

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8
Q

What is an Arrhenius acid?

A

A substance that produces hydrogen ions H+ in water

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9
Q

What is an Arrhenius base?

A

A substance that produces hydroxyl ions in water , OH-.

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10
Q

What is a Bronsted-Lowry acid?

A

It is a conjugate base where it donates a proton to a base.

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11
Q

What is a Bronsted-Lowry base?

A

A conjugate acid that accepts a proton from an acid.

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12
Q

What is a Lewis acid?

A

A substance that accepts an electron pair , known as a lone pair acceptor.

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13
Q

What is a Lewis base?

A

A substance that donates an electron pair , known as a lone pair donator.

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