Answer:
A. manganese change from +7 to +2
Explanation:
Reduction means a gain of electrons, which means the oxidation number will go down or the charge goes down basically or become more negative charge. On the left, Mn has +7 in MnO4-. On the right, it has 2+, so it has been reduced.
We can apply Charles's law:
V/T = constant
V₁/T₁ = V₂/T₂
V₂ = 3 x 200 / 300
V₂ = 2 L
Answer: they can combine to form water or hydrogen peroxide.
Explanation:
sorry if it wrong i just looked it up lol. hope this helps tho
That would be convection. This is a test. ;)