ostwald process Flashcards

1
Q

What is produced by the Ostwald process

A

nitric acid

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2
Q

what other process does the Ostwald process go hand in hand with

A

the haber process

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3
Q

what is the Ostwald process

A

nitric acid made industrially by a catalytic reaction between ammonia and oxygen

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4
Q

where can the Ostwald process get its ammonia

A

the haber process

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5
Q

How many stages are in the Ostwald process

A

3

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6
Q

what is nitric acid used for

A

fertilisers

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7
Q

what can nitric acid make

A

a nitrate salt

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8
Q

what temperature is used for the Ostwald process

A

900 degrees

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9
Q

why is the temperature of the Ostwald process economical

A

once it reaches 900 degrees and the reaction has started then no extra heating is required. Enough heat is given out to keep the temperature at 900 degrees.

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10
Q

what catalyst is used in the Ostwald process

A

platinum catalyst

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11
Q

Stage one of the Ostwald process

A

the mixture of air and ammonia is passed over a platinum catalyst in the reaction chamber and nitrogen monoxide is produced

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12
Q

what is produced by the first stage of the Ostwald process

A

nitrogen monoxide

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13
Q

word equation of stage one of the Ostwald process

A

ammonia + oxygen –>nitrogen monoxide + water

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14
Q

symbol/chemical equation of stage one of the Ostwald process

A

4NH3 + 5O2 –> 4NO + 6H2O

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