Answer:
Explained below.
Explanation:
In oil rigs, Sacrificial protection is the protection of the steel against corrosion by using magnesium block which is a more reactive metal. This means that steel which is to be protected from corrosion will be the cathode while magnesium block preventing it from corrosion will be the anode and as such the block will be the one to corrode instead.
The mechanism behind this sacrificial protection is that the steel pipe on the rig will be connected to the magnesium block through copper wires and then the magnesium block will donate its electrons to the steel thereby preventing it from rusting. Thus is a reversible reaction and as such, after the steel Iron undergoes oxidization by receiving electrons from the magnesium block, it will be immediately be reduced to iron as depicted in the equation below.
Mg⇌Mg^(2+) + 2e-
Fe^(2+) + 2e-⇌Fe
Wait what are we supposed to be helping you with?
It affects the volume of air you can inhale.
Answer:
Igneous rocks are constructed due to the cooling and solidification of molten magma. For example, Granite, Basalt, and Diorite. This solidification or crystallization process can take place below the earth's surface or at the earth's surface. These are often known as the intrusive (when magma crystallizes at a certain depth) and the extrusive (when crystallizes at the surface) igneous rocks.
Before the crystallization of magma and turning into granitic rocks, the molten magma present below the earth's surface, heats up the surrounding country rock, resulting in the alteration of its constituent minerals and rocks. When this radiated heat from the magma is extremely high, then it slowly leads to the changing of a rock type into metamorphic rocks.
