Chemistry Solutions Library

Chemistry Solutions Library

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36,630 solutions

Lewis Acid and Base

Q. All are potential Lewis bases except:   A. Ammonia B. Water C. Methane (CH4) D. Cyanide ion (CN-)

Solved • Feb 2, 2016
Lewis Acid and Base

Q. All are examples of Lewis acid-base reactions except: A. Cu2+(aq) + 4NH3(aq)   ⇌   [Cu(NH3)4] 2+(aq) B. HCl(aq) + NH3(aq)   ⇌   NH4Cl(aq) C. H+ ...

Solved • Feb 2, 2016
Le Chatelier's Principle

Q. Consider this reaction, carried out at constant volume:  2SO2(g) + O2(g)    2SO3(g)          ∆H=  –198kJ The concentration of oxygen gas at equilib...

Solved • Feb 2, 2016
Le Chatelier's Principle

Q. Given the reaction: 2 X (g) + Y (g)   ⇌    2 Z (g)                      ∆H = – 335kJ Which combination of pressure and temperature gives the highes...

Solved • Feb 2, 2016
Le Chatelier's Principle

Q. When equilibrium has been reached in the reaction: AE + CD ⇌ CE + AD + xkJ in which all substances are in solution, A. Adding AE will increase the ...

Solved • Feb 2, 2016
Le Chatelier's Principle

Q. The reaction for the formation of ammonia by direct combination is:      N2(g) + 3H2(g) ⇌ 2NH3(g)                                                  ...

Solved • Feb 2, 2016
Le Chatelier's Principle

Q. Which factors will affect both the position of equilibrium and the value of the equilibrium constantfor this reaction?           N2(g) + 3H2(g) 2NH...

Solved • Feb 2, 2016