bonds Flashcards

(8 cards)

1
Q

what is required to break bonds

A

energy

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2
Q

what happens when bonds are formed

A

energy released

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3
Q

is breaking bonds exo or endo thermic

A

endothermic

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4
Q

is making bonds exo or endo thermic

A

exothermic

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5
Q

is the energy to break bonds more or less than the energy needed to make bonds in exothermic reactions

A

less

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6
Q

is the energy to break bonds more or less than the energy needed to make bonds in endothermic reactions

A

more

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7
Q

what is combustion in terms of bonds

A

a chemical reaction where bonds in the fuel and oxygen molecules are broken and new bonds are formed in the products

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8
Q

what is neutralization in terms of bonds

A

Neutralisation occurs when an acid reacts with a base, producing water and a salt. breaking of H–O or OH bonds in the acid and base, and the formation of new O–H bonds in water.

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