Unit 3 Definitions Flashcards Preview

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Flashcards in Unit 3 Definitions Deck (9)
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1
Q

What is the definition of a feedstock?

A

A substance derived from a raw material which is used to manufacture another substance.

2
Q

What is the definition of Hess’s Law?

A

The enthalpy change of a chemical reaction depends only on the chemical nature and physical state of the reactants and products and is independent of any intermediate steps.

3
Q

What is the definition of the enthalpy of combustion?

A

The enthalpy change when one mole of a substance is completely burned in oxygen.

4
Q

What is the definition of Equilibrium?

A

State attained in a reversible reaction when the forward and reverse reactions are taking place at the same rate.

5
Q

What is the definition of oxidation in terms of electrons?

A

A process in which electrons are lost.

6
Q

What is the definition of reduction in terms of electrons?

A

A process in which electrons are gained.

7
Q

What is the definition of REDOX?

A

A reaction in which reduction and oxidation take place. Electrons are lost by one substance and gained by another.

8
Q

What is the definition of a reducing agent?

A

A substance that loses electrons, in other words is an electron donor/gives away electrons.

9
Q

What is the definition of an oxidising agent?

A

A substance that gains electrons, in other words is an electron acceptor/receives electrons.