How does an anhydride differ from an acid?

Answer 1

acid is formed when water is added to an anhydride

when you add water into anhydrides, the relative acids are formed. for example, take #SO_3#, when you add water it forms #H_2SO_4# which is the hydride or simply the acid. notice that the oxidation state has not changed even though the anhydride has turned into it's acid.

a few additional instances of adding water to anhydrides

#SO_2 + H_2O rarr H_2SO_3# #CO_2 + H_2O rarr H_2CO_3# #N_2O_5 + H_2O rarr HNO_3# #P_2O_5 + H_2O rarr H_3PO_4#

In other words, anhydride is essentially a state devoid of water, whereas acid is a state that contains water.

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Answer 2

An anhydride is a compound formed by the removal of water from two molecules, often two molecules of an acid. An acid is a substance that donates a proton (H+) to another substance.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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