Explanation:
You can solve for volume using radius or diameter.
Sphere Volume = 4/3 • π • r³ = ( π •d³)/6
We're given the diameter so let's use that.
Volume = PI * d^3 / 6
Volume = 3.14159 * 3.0^3 / 6
Volume = 3.14159 * 9 / 2
Volume = 14.137 cubic centimeters
Answer:
Right to left
Explanation:
From right hand thumb rule, the magnetic field at the centre of loop points out of the plane of paper. Thus the straight wire current should create magnetic field into the plane of paper at the centre. Hence the direction of current in long wire should be from right to left
A decomposition reaction would be the electrolysis.
<span>Usually it is separated in two equations, one for oxidation
and another for reduction, which are called half reactions:</span>
2 H+ + 2e− → H2
2 H2O → O2 + 4 H+ + 4e−
Then you should add them up. In order for the equation to be
balanced, the first equation has to be added twice:
2 H+ + 2e− + 2 H+ + 2e−+2
H2O → H2+ H2 + O2
+ 4 H+ + 4e−
4 H+ + 4e− +2 H2O → 2H2
+ O2 + 4 H+ + 4e−
Then you should cancel the substances which are both in reactives
and in products, and also the electrons:
2 H2O → 2H2 + O2
And there you have the overall equation for electrolysis.
Electrolysis does not happen naturally – you have to provide
electric energy for it to happen.
A synthesis reaction would be the opposite reaction, which
would be called: electrosyntesis.
2H2 + O2 → 2 H2O
Physical change
Because it's changed by heat