Question

sample test item
the haber process is the main industrial method for producing ammonia, an important ingredient in fertilizer. the chemical equation for the haber process is shown. what do the letters in the chemical equation represent?
move one correct answer to each box. each answer may be used more than once. not all answers will be used.
nitrogen nickel hydrogen sodium helium
n₂ + 3h₂ → 2nh₃
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Explanation:

• In the chemical formula \(N_2\), \(N\) represents nitrogen.
• In the chemical formula \(H_2\), \(H\) represents hydrogen.
• In the chemical formula \(NH_3\), \(N\) represents nitrogen and \(H\) represents hydrogen.

Answer:

First box: nitrogen
Second box: hydrogen
Third box: nitrogen
Fourth box: hydrogen