NH 4 HS(s) <==> NH 3 (g) + H 2 S(g) ΔH RXN > 0 A sealed rigid vessel contains NH 4 HS(s) in equilibrium with NH 3 (g) and H 2 S(g)as represented by the equation above. Which of the following changes will increase the amount of NH 4 HS(s) in the vessel?

Removing a small amount of NH 3 (g)

Removing a small amount of H 2 S(g)

HgO(s) + 4 I− + H2O ⇄ HgI42− + 2 OH− ∆H < 0 Consider the equilibrium above. Which of the following changes will increase the concentration of HgI 4 2− ?

Increasing the concentration of OH −

Increasing the mass of HgO present

What is the effect of increasing the pressure on the following reaction: 2NO + O 2 ---> 2NO 2 ?

The concentration of O2 increases.

What is the equilibrium expression for: Fe 3 O 4 (s) + 4H 2 (g) <--> 3Fe(s) + 4H 2 O(g)

([Fe] 3 [H 2 O] 4 ) / ([Fe 3 O 4 ][H 2 ] 4 )

([Fe 3 O 4 ][H 2 ] 4 )/ ([Fe] 3 [H 2 O] 4 )

([Fe][H 2 O]) / ([Fe 3 O 4 ][H 2 ])

There are more products than reactants when the reaction reached equilibrium.

There are more reactant than products when the reaction reached equilibrium.

The amount of reactants is equal to the amount of products.

When the reaction is reversed,

K for the reverse is the reciprocal of K for the forward reaction

K for the reverse equals K for the forward reaction

K for the reverse is the negative of K for the forward reaction

C( s ) + H 2 O( g ) ↔ H 2 ( g ) + CO( g ) ΔH° = +131 kJ/mol Which stress will INCREASE the value of the equilibrium constant, K ?

the temperature of the system is increased

the temperature of the system is decreased

AP CHEM EQUILIBRIUM

Authored by Steven Mccambridge

Chemistry

12th Grade

NGSS covered

Used 423+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
heat + N₂ + O₂ <−> 2NO
If O₂ is removed, the concentration of N₂ will _______.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
heat + N₂ + O₂ <−> 2NO
If NO is removed from the system, the concentration of N₂ will _______.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-5

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AP CHEM EQUILIBRIUM

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If O₂ is removed, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If NO is removed from the system, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is removed to the chemical system, the equilibrium will shift _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is removed from the chemical system, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the concentration of O₂ will _______.

Access all questions and much more by creating a free account

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AP CHEM EQUILIBRIUM

For the reaction...SO2 + O2 <−> SO3If the concentration of SO2 is increased, the equilibrium of the reaction will shift ___________.

For the reaction...SO2 + O2 <−> SO3If the equilibrium shifts to the right, the concentration of O2 will ___________.

For the reaction...SO2 + O2 <−> SO3If the equilibrium shifts to the right, the concentration of SO3 will ___________.

For the reaction...SO2 + O2 <−> SO3If the concentration of O2 is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...heat + N2 + O2 <−> 2NOIf O2 is removed, the concentration of N2 will _______.

For the reaction...heat + N2 + O2 <−> 2NOIf NO is removed from the system, the concentration of N2 will _______.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is added to the chemical system, the equilibrium will shift _______.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is removed to the chemical system, the equilibrium will shift _______.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is removed from the chemical system, the concentration of N2 will _______.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is added to the chemical system, the concentration of O2 will _______.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If O₂ is removed, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If NO is removed from the system, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is removed to the chemical system, the equilibrium will shift _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is removed from the chemical system, the concentration of N₂ will _______.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the concentration of O₂ will _______.