Mole Concept in Chemistry

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What is the origin of the term 'mole' in chemistry?

The term 'mole' comes from the Latin word meaning 'heap' or 'huge pile'

What is the difference between isotopes of the same element?

Isotopes have the same number of protons in the atomic nucleus but a different number of neutrons

What is the significance of Avogadro's number?

Avogadro's number is a large value (6.02 x 10^23) because the masses of atoms are small

How is the molar mass of an element calculated?

<p>Molar mass of an element is the atomic mass from the periodic table in units of g/mol</p> Signup and view all the answers

What is the difference between formula mass and molecular mass?

<p>Formula mass is the sum of atomic masses of all atoms in a compound, while molecular mass is the formula mass of a molecular substance</p> Signup and view all the answers

What information is implied by one mole of an element?

<p>One mole of an element implies both the molar mass of the element and Avogadro's number</p> Signup and view all the answers

What is the term for the solidified lava flow that originally forced its way between rocks?

<p>Dike</p> Signup and view all the answers

What is the name of the fast-moving current of gases and rocks that includes pumice, ash, and block flow?

<p>Pyroclastic flow</p> Signup and view all the answers

What is the term for particles that are less than 2mm in diameter?

<p>Ashes</p> Signup and view all the answers

What is the term for the mixture of volcanic debris and water that flows down the slopes of a volcano?

<p>Lahar</p> Signup and view all the answers

What is the term for the highest point of the apex of a volcano?

<p>Summit</p> Signup and view all the answers

What is the term for the channel or pipe that conveys liquid magma?

<p>Conduit</p> Signup and view all the answers

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