Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, throug

Question

Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the reaction

NH4HS(s)NH3(g)+H2S(g)

This reaction has a Kp value of 0.120 at 25 C.

An empty 5.00-L flask is charged with 0.450 g of pure H2S(g), at 25 C.

Part A

Evaluate the validity of the following statements.

Drag each item to the appropriate bin.

T or F: Q is equal to 0

T or F: Q is greater than K

T or F: No reaction occurs

T or F: The reaction proceeds to the left

T or F: The reaction proceeds to the right

T or F: The pressure of ammonia is zero

Explanation / Answer

Since only H2S is present in reaction mixture initially no reaction will occur.

Q is equal to 0 TRUE

Q is greater than K FALSE because Q = K = 0

No reaction occurs TRUE

The reaction proceeds to the left FALSE because no reaction occurs

The reaction proceeds to the right FALSE

The pressure of ammonia is zero TRUE because no ammonia is present initially or formed

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