Answer:
The answer is D. The concentrations are different and the reactions are different, so the cell potential is 0.00 volts.
Explanation:
A concentration cell is an electrolytic cell that is comprised of two half-cells with the same electrodes, but differing in concentrations. A concentration cell acts to dilute the more concentrated solution and concentrate the more dilute solution, creating a voltage as the cell reaches an equilibrium.
Answer:
you can remove energy from the matter by lowering its temperature
<span>They both have the same number of atoms. The molar mass of CO2 is 44.01 g/mol.</span>
Answer:
60.08g/mol
Explanation:
Given parameters:
Formula of sand = SiO₂
Find the molar mass of the compound to the hundredths place;
Molar mass of Si = 28.085g/mol
Molar mass of O = 15.999
Molar mass = 28.085 + 2(15.999) = 60.08g/mol
3.6*10^20 atoms* (1 mol/ (6.02*10^23 atoms))= 6.0*10^(-4) mol.
6.0*10^(-4) mol* (28.1 g/ 1 mol)= 1.7*10^(-2) g.
Note that the units cancel out so you get the answer.
The final answer is 1.7*10^(-2) g Si.
