1. C
2. G
3. A
4. I
5. H
6. D
7. B
8. J
9. E
10. F
Hope I helped!
Specific heat is the amount of energy needed to increase the temperature per unit mass in 1°C.
The nature of the elements or compounds (metalic elements in this case) determines the transference of heat inside the body of the object. The mechanism of heat transfer inside the metals is conductivty. The more compact and denser the metal, the closer the atoms and the faster the transference of heat by conductivity and the lower the specific heat.
Then, the reason why specific heat of Al is much lower than gold, is that gold is much denser than Al.
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Explanation:
Ag+(aq) + 2NH3 (aq) ⇄ Ag(NH3)2 (aq)
When it comes to question of this sort, the LeChatelier principle should come to mind. The LeChatelier principle states that changes in the temperature, pressure, volume, or concentration of a system will result in predictable and opposing changes in the system in order to achieve a new equilibrium state.
increasing the concentration of Ag+
This would lead to an increase in concentration of reactants, the system would annul or oppose this change by moving towrds the right, favouring the forward reaction.
decreasing the concentration of NH3
This would lead to a decrease in concentration of reactants, the system would annul this change by moving to the left, favourin the backward reaction.
increasing the concentration of Ag(NH3)2
This would lead to an increase in concnetration of products, the system would annul or oppose this change by moving towards the left, favouring the backward reaction.
For the equation to be balanced, the Atom's coefficient on the left side and the right side of the equation has to be equal
so, the answer would be :
Br2 + S2032- + 5H20 -- > BR2- + 2S02- + H+
Hope this helps
