Chemistry Equilibrium

At what time does the system first reach equilibrium?

• 24s

• 40s

• 60s

• 80s

Tags

NGSS.HS-PS1-5

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

• NaCl(s)

• NaCl(aq)

• NaCl(l)

• NaCl(g)

If a K value is greater than 1,

• more products are present at equilibrium

• more reactants are present at equilibrium

Tags

NGSS.HS-PS1-6

Only (aq), (l), and (g) appear in an equilibrium expression.

• True

• False

A larger K means there are ______ products at equilibrium

• more

• less

Tags

NGSS.HS-PS1-6

What happens to K is a reaction is doubled?

• K²

• 2K

• 1/2K

• -K

Tags

NGSS.HS-PS1-5

If K<Q, then the reaction shifts to the _________

• left

• right

Tags

NGSS.HS-PS1-6

Catalysts and inert gases do not shift an equilibrium.

• True

• False

Tags

NGSS.HS-PS1-6

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

Tags

NGSS.HS-PS1-5