Answer:
a) Ag(NH₃)₂⁺, Cl⁻.
b) NH₃.
c) AgCl.
Explanation:
Based on LeChatelier's law, a system in chemistry can change responding to a disturbance of concentration, temperature, etc. in order to restore a new state.
In the reaction:
AgCl(s) + 2NH₃(aq) ⇌ Ag(NH₃)₂⁺(aq) + Cl⁻(aq)
When reactants are added, the system will produce more products restoring the equilibrium and vice versa. A reactant in solid state doesn't take part in the equilibrium, thus:
a) Ag(NH₃)₂⁺, Cl⁻. The addition of products will shift the equilibrium to the left
b) NH₃. The addition of reactant will shift the equilibrium to the right.
c) As AgCl is in solid phase, will not shift the equilibrium in either direction.
B)
CH₄ + 2O₂ ---> CO₂ + 2H₂O
Salt, sugar, baking soda, etc. Some also consider honey, tap water, and vegetable oil as pure substances.
Frosty the snowman is GUILTY. he broke into a room that was 20 degrees F, then moved into the room with the safe, which was 65 degrees F, above the freezing point, and no snow can not melt at 65 degrees. as he was tromping through the hot house, he began to turn back into liquid because he began melting in the heat. so all evidence points towards the fact that frosty did it.
Answer : 12 karat
Explanation : When pure gold is considered to be 24 karat then if its 50 mol% silver and 50 mol% silver then using karat scale calculation;
Karat/24 X 100 = 50 mol% (for gold) in alloy
So, Karat = (50 X 24) / 100 = 12 karat.
Hence the alloy will be of 12 karat.
