Multiple Choice
Ammonium bromide is a crystalline solid that decomposes endothermically when heated: NH4Br(s) ⇌ NH3(g) + HBr(g) .When solid NH4Br is added to an evacuated flask at 300°C,which change in reaction conditions below will cause the equilibrium to shift to the right?
A) add more HBr
B) add more NH4Br
C) decrease the temperature
D) decrease the pressure
Correct Answer:
Verified
Correct Answer:
Verified
Q109: K<sub>c</sub> = 1.2 × 10<sup>-42 </sup>at 500
Q110: The reaction CaCO<sub>3</sub>(s)⇌ CaO(s)+ O<sub>2</sub>(g)is endothermic at
Q111: In a reversible reaction,when the rate of
Q112: Picture (1)represents an equilibrium mixture of solid
Q113: The reaction A<sub>2</sub> + B<sub>2 </sub>⇌ 2AB
Q115: A reaction in which reactants form products
Q116: Which of the following statements is false
Q117: The following picture represents the equilibrium state
Q118: K<sub>p</sub> = 1.5 × 10<sup>3</sup> at 400°C
Q119: Iron oxide ores are reduced to iron