Unit 7 Equilibrium AP Chemistry

What order is this graph?

• Zero

• First

• Second

• Third

Tags

NGSS.HS-PS1-5

What is the unit for the rate constant (k) for 2^nd order reactions?

• s^-1

• M/s

• M^-1s^-1

What is the rate law for the reaction with this slow elementary step? A --> B + C

• rate = k[A]²

• rate = k[B]²

• rate = k[A][B]

• rate = k[A]

Tags

NGSS.HS-PS1-5

What is NOT a way to speed up a reaction

• Add a catalyst

• Decrease the volume

• Increase the concentration of reactants

• Increase surface area of the solid

• Decrease the pressure

Tags

NGSS.HS-PS1-5

At equilibrium, rates of the forward and reverse reaction are...

• The same

• Not the same

A system at equilibrium

• Must have reactants and products

• Must have products only

• Must have reactants only

At equilibrium, concentrations of reactants and products are

• equal

• constant

The equilibrium constant expression, Kc, given aA + bB ⇄ cC + dD, is...

Tags

NGSS.HS-PS1-7

Which substance(s) would not be included in a equilibrium constant expression?

• NaCl(s)

• NaCl(aq)

• NaCl(l)

• NaCl(g)

What order is this graph?

• Zero

• First

• Second

• Third

Tags

NGSS.HS-PS1-5