The atomic mass<span> is </span>not<span> given as a </span>whole number<span> because it is a heavy average taken of all of an </span>atom's<span> isotopes found in nature relative to the </span>mass<span> of carbon-12.</span>
Answer: 2.749 x 10^-14
Explanation:
<u>Given:</u>
The concentration of Ce(IO3)4 in the solution = 1.5 x 10-2 g/100 mL= 0.15 g/1000 mL= 0.15 g/L
Molar mass of Ce(IO3)4 = 839.7267 g/mol
Therefore, the molarity of Ce(IO3)4 in the solution is given by:
The solubility equilibrium is given by:
Therefore, the solubility product is given by:
Answer:
The molecules move more slowly and their average kinetic energy decreases
Explanation:
The increased temperature meant that the atoms in liquid had a greater average energy of motion so as the temperature decreases the reaction would be inverse.
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Answer:
The concentration of CH₃OH in equilibrium is [CH₃OH] = <em>2,8x10⁻¹ M</em>
Explanation:
For the equilibrium:
CO (g) + 2H₂(g) ⇄ CH₃OH(g) keq= 14,5
Thus:
14,5 =
In equilibrium, as [CO] is 0,15M and [H₂] is 0,36M:
14,5 =
Solving, the concentration of CH₃OH in equilibrium is:
<em>[CH₃OH] = 0,28M ≡ 2,8x10⁻¹ M</em>
I hope it helps!