Question

Which symbol can be used to indicate a chemical reaction that takes place in the presence of a catalyst?

350 degrees Celsius over a right-pointing arrow.
Upper P t over a right-pointing arrow.
0.5 a t m over a right arrow.
Delta over a right arrow.

Answer 1

Pt over (→) right pointing arrow

Step-by-step explanation:

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Answer 2

Upper Pt over a right-pointing arrow.

Step-by-step explanation:

Which symbol can be used to indicate a chemical reaction that takes place in the presence of a catalyst?

• 350 degrees Celsius over a right-pointing arrow. NO. This indicates the temperature at which the reaction occurs.
• Upper Pt over a right-pointing arrow. YES. This indicates that the element platinum (Pt) is being used as a catalyst.
• 0.5 atm over a right arrow. NO. This indicates the pressure at which the reaction occurs.
• Delta over a right arrow. NO. This indicates that the reaction requires heat to occur.