Problem: Which of the following reactions is the slowest at room temperature?a. Zn(s) + S(s) → ZnS(s)b. Ba2+(aq) + SO42-(aq) → BaSO4(s)c. NH3(g) + HCl(g) → NH 4Cl(g)d. 2 Ag+(aq) + CO32-(aq) → Ag 2CO3(s)

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We are being asked to determine which of the given reaction is slowest at room temperature. 

Under Collision Theory, a chemical reaction is successful if reactant molecules can combine to form a new product through effective collisions. 


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Problem Details

Which of the following reactions is the slowest at room temperature?

a. Zn(s) + S(s) → ZnS(s)

b. Ba2+(aq) + SO42-(aq) → BaSO4(s)

c. NH3(g) + HCl(g) → NH 4Cl(g)

d. 2 Ag+(aq) + CO32-(aq) → Ag 2CO3(s)

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Our tutors have indicated that to solve this problem you will need to apply the Rate of Reaction concept. You can view video lessons to learn Rate of Reaction. Or if you need more Rate of Reaction practice, you can also practice Rate of Reaction practice problems.

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Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.