Multiple Choice
The following two isomers of C3H7NO exist in equilibrium with each other in solution: ![The following two isomers of C<sub>3</sub>H<sub>7</sub>NO exist in equilibrium with each other in solution: If K<sub>c</sub> = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M,what are the concentrations at equilibrium? A) [reactant] = 0.43 M and [product] = 0.24 M B) [reactant] = 0.67 M and [product] = 0.38 M C) [reactant] = 0.76 M and [product] = 0.44 M D) [reactant] = 0.82 M and [product] = 0.47 M](https://d2lvgg3v3hfg70.cloudfront.net/TB4940/11ea7e2d_d168_1a29_a2f7_bf7192b07265_TB4940_00.jpg)
If Kc = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M,what are the concentrations at equilibrium?
A) [reactant] = 0.43 M and [product] = 0.24 M
B) [reactant] = 0.67 M and [product] = 0.38 M
C) [reactant] = 0.76 M and [product] = 0.44 M
D) [reactant] = 0.82 M and [product] = 0.47 M
Correct Answer:
Verified
Correct Answer:
Verified
Q78: A reaction reaches dynamic equilibrium at a
Q79: The decomposition of nitrosyl bromide is exothermic:
Q80: Picture (1)represents the equilibrium mixture for the
Q81: The decomposition of ammonia is: 2 NH<sub>3</sub>(g)=
Q82: If K<sub>c</sub> = 0.600,and K<sub>p</sub> = 359
Q84: The reaction below virtually goes to completion
Q85: The reaction CaCO<sub>3</sub>(s)⇌ CaO(s)+ O<sub>2</sub>(g)is endothermic 298
Q86: The hexaammine cobalt(III)ion is very unstable in
Q87: If K<sub>c</sub> = 7.04 × 10<sup>-2</sup> for
Q88: Consider the interconversion of A molecules (shaded