Answer:
The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Sulfur, or 32.065 grams.
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Water is a polar molecule
<u>Given:</u>
E⁰cathode = -0.76 V
E⁰anode = -0.91 V
<u>To determine:</u>
The equilibrium constant K for the reaction-
Cr(s) + Zn2+ (aq) ↔ Cr2+(aq) + Zn(s)
<u>Explanation:</u>
The relation between, E⁰cell and Keq is-
E⁰cell = (0.0592/n) log(Keq)
E⁰cell = E⁰cathode-E⁰anode = -0.76-(-0.91) = 0.15 V
n = # electrons in the reaction = 2
0.15 = (0.0592/2) * logKeq
logKeq = 5.07
Keq = 10⁵.⁰⁷ = 1.17*10⁵
Ans: the equilibrium constant is 1.17*10⁵
<span>Answer:
2Al(s) + 3Cl2(g) ---> 2AlCl3(s)
Always work in moles
moles = mass of substane / molar mass
2Al (s) + 3Cl (g) --> 2AlCl3 (s)
moles Al = 23.0 g / 26.98 g/mol
= 0.852 moles Al</span>