Answer:
- At the negative electrode: Mg(s) => Mg2+ + 2e-
- At the positive electrode:Cl- + 2e- => Cl2(g)
Explanation:
1. Magnesium is formed at the negative electrode.
2. Chlorine gas is released at the positive electrode.
The change which increase the rate of the reaction is by increasing the amount of solution.
<h3>What is the rate of the reaction?</h3>
Rate of the reaction gives idea about the speed of the completion of the reaction or the formation of the products.
Given chemical reaction is:
2H₂O₂
2H₂O + O₂
In the above chemical reaction MnO₂ acts as a catalyst which helps in increasing the rate of the reaction without being involved in the reaction. So the formation of the product depends only on the concentration of the solution. So, by increasing the solution amount will increase in the rate.
Hence, increasing the amount of solution will increase the rate.
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Answer:
Organelles that use energy from sunlight to produce food are called mitochondria.
False
Answer:
There is 1 Sodium in NaCl, but 2 Sodiums in the sulfide. I can’t write it properly. But the “2” should be a subscript.
Explanation:
The number of moles of gas in the sample of chlorine gas is calculated by use of ideal gas equation
that is PV=nRT
n=number of moles
R= gas constant ( 62.36367 l.torr/k.mol)
P=pressure
V=volume
from ideal gas equation n= PV/RT
n= (328 x5.0)/ ( 62.36367 x310)= 0.085 moles