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cluponka [151]
2 years ago
12

How many moles of ammonia are produced by 5 moles of hydrogen.

Chemistry
1 answer:
hichkok12 [17]2 years ago
8 0

Answer: 10 moles

Explanation:

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Which of the following is the correct chemical formula for Ca and F? CaF Ca2F CaF2
yawa3891 [41]

Answer:

CaF2

Explanation:

Calcium fluoride is a solid formed by the chemical combination of Calcium (Ca) and Fluorine (F). Two molecules of fluorine (F2) and one molecule of Calcium (Ca) are needed to form the Calcium Fluoride molecule.

An ionic bond is formed between the Calcium and Fluorine atoms i.e. electrons are transferred from calcium atoms to fluorine atoms. The calcium ion is a cation with formula; Ca2+ while fluorine is an anion with formula; F-. Hence, it takes two molecules of Fluorine ion (F-) to form a relatively stable and neutral molecule with 1 molecule of Calcium ion (Ca2+).

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This question is about iron three of the raw material added to a blast furnace used to extract iron from henatite are coke hemat
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Answer: The fourth material that is added to the blast furnace is HOT AIR which provides OXYGEN for used for combustion of carbon (Coke).

Explanation:

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Iron can be extracted from its ore with the used of blast furnace. The materials used for extraction of iron includes:

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--> haematite( iron ore)

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The iron ore is first roasted in air so that iron(III)oxide is produced. The iron(III)oxide is then mixed with coke and limestone and heated to a very high temperature. Hot air is introduced into it from the bottom of the furnace. The coke is oxidizes the the oxygen in the hot air blast to liberate carbondioxide.

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