Hydrogen and Chlorine Gases React to Form HCl

question 31

Multiple Choice

Hydrogen and chlorine gases react to form HCl.You and a friend are on opposite sides of a long hallway,you with H₂ and your friend with Cl₂.You both want to form HCl in the middle of the room.Which of the following is true?

• A)You should release the H₂ first.
• B)Your friend should release the Cl₂ first.
• C)You both should release the gases at the same time.
• D)You need to know the length of the room to answer this question.
• E)You need to know the temperature to answer this question.

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