At 298 K,the Value of K_c for the Reaction H₂(g)

question 19

Multiple Choice

At 298 K,the value of K_c for the reaction H₂(g) + Br₂(g) 2HBr(g) is 2.0 × 10¹⁹.What is K_c for HBr(g)
1/2H₂(g) + 1/2Br₂(g) ?

• A)4.0 × 10^-38
• B)5.0 × 10^-20
• C)1.0 × 10¹⁹
• D)-2.0 × 10¹⁹
• E)2.2 × 10^-10

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