Worksheet: Kc to Kp Conversions

In this worksheet, we will practice converting between equilibrium constants defined by partial pressures and those defined by concentration.

Q1:

For the reaction shown, ๐พ=1.22ร—10P๏Šฑ๏Šง at 50โˆ˜C. HO()HO()22lg If partial pressures are measured relative to a standard pressure of 1 atm, what is the value of ๐พc at this temperature to three significant figures?

  • A 2 . 9 3 ร— 1 0 ๏Šฑ ๏Šช
  • B 1 . 2 2 ร— 1 0 ๏Šฑ ๏Šง
  • C 4 . 5 4 ร— 1 0 ๏Šฑ ๏Šซ
  • D 2 . 9 7 ร— 1 0 ๏Šฑ ๏Šจ
  • E 4 . 6 0 ร— 1 0 ๏Šฑ ๏Šฉ

Q2:

For the reaction shown, ๐พ=4.08ร—10P๏Šฑ๏Šจ๏Šซ at 25โˆ˜C. NaSOยท10HO()NaSO()+10HO()242242ssg If partial pressures are measured relative to a standard pressure of 1 atm, what is the value of ๐พc at this temperature? Give your answer to two significant figures.

  • A 4 . 6 6 ร— 1 0 ๏Šฑ ๏Šซ ๏Šฏ
  • B 3 . 0 9 ร— 1 0 ๏Šฑ ๏Šจ ๏Šฎ
  • C 4 . 0 8 ร— 1 0 ๏Šฑ ๏Šจ ๏Šซ
  • D 2 . 7 1 ร— 1 0 ๏Šฑ ๏Šช ๏Šฎ
  • E 5 . 3 1 ร— 1 0 ๏Šฑ ๏Šฉ ๏Šฏ

Q3:

For the reaction shown, ๐พ=0.502ร—10c๏Šจ at 448โˆ˜C. H()+I()2HI()22ggg If partial pressures are measured relative to a standard pressure of 1 bar, what is the value of ๐พP at this temperature?

Q4:

For the reaction shown, ๐พ=5ร—10c๏Šฑ๏Šง at 400โˆ˜C. N()+3H()2NH()223ggg If partial pressures are measured relative to a standard pressure of 1 bar, what is the value ๐พP at this temperature to two significant figures?

  • A 1 . 6 ร— 1 0 ๏Šฑ ๏Šฎ
  • B 4 . 6 ร— 1 0 ๏Šฑ ๏Šช
  • C 9 . 0 ร— 1 0 ๏Šฑ ๏Šฉ
  • D 5 ร— 1 0 ๏Šฑ ๏Šง
  • E 1 . 6 ร— 1 0 ๏Šฑ ๏Šช

Q5:

What is the equation for the conversion of ๐พc to ๐พP for the reaction shown? CH()CH()+H()26242ggg

  • A ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • B ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • C ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • D ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • E ๐พ = ๐พ P c

Q6:

What is the equation for the conversion of ๐พc to ๐พP for the reactionCO()+HO()CO()+H()?gggg222

  • A ๐พ = ๐พ ๐‘… ๐‘‡ p c
  • B ๐พ = ๐พ ๐‘… ๐‘‡ p c
  • C ๐พ = ๐พ p c
  • D ๐พ = ๐พ ( ๐‘… ๐‘‡ ) p c ๏Šจ
  • E ๐พ = ๐พ ( ๐‘… ๐‘‡ ) p c ๏Šจ

Q7:

What is the equation for the conversion of ๐พc to ๐พP for the reaction shown? N()+3H()2NH()223ggg

  • A ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • B ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • C ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • D ๐พ = ๐พ P c
  • E ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ

Q8:

๐พ c is equal to 28ร—10๏Šฑ๏Šจ for the reaction shown at 900โˆ˜C. CS()+4H()CH()+2HS()2242gggg. Under standard conditions, all species have a concentration of 1.00 M and partial pressure of 1.00 atm. Calculate ๐พP for this reaction at 900โˆ˜C to two significant figures.

  • A 5 . 1 ร— 1 0 ๏Šฑ ๏Šซ
  • B 1 . 5 ร— 1 0 ๏Šฉ
  • C 3 . 0 ร— 1 0 ๏Šฑ ๏Šซ
  • D 2 . 6 ร— 1 0 ๏Šฉ
  • E 2 8 ร— 1 0 ๏Šฑ ๏Šจ

Q9:

What is the equation for the conversion of ๐พc to ๐พP for the reaction shown? 2SO()+O()2SO()223ggg

  • A ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • B ๐พ = ๐พ P c
  • C ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • D ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • E ๐พ = ๐พ ๐‘… ๐‘‡ P c

Q10:

What is the equation for the conversion of ๐พc to ๐พP for the reaction shown? NO()2NO()242gg

  • A ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • B ๐พ = ๐พ P c
  • C ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • D ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • E ๐พ = ๐พ ๐‘… ๐‘‡ P c

Q11:

What is the equation for the conversion of ๐พc to ๐พP for the reaction shown? CH()+5O()3CO()+4HO()38222gggg

  • A ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • B ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • C ๐พ = ๐พ ๐‘… ๐‘‡ P c
  • D ๐พ = ๐พ ( ๐‘… ๐‘‡ ) P c ๏Šจ
  • E ๐พ = ๐พ P c

Q12:

At 227โˆ˜C, the following reaction has ๐พ=9.52ร—10c๏Šฑ๏Šจ. CHOH()CO()+2H()32ggg Under standard conditions, the concentration of each species is 1.00 M and the partial pressure is 1.00 bar. Calculate ๐พP for this reaction at 227โˆ˜C to three significant figures.

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