Answer:
Option D.
Explanation:
4 e⁻ + N2 + 5 H+ ⟶ N2H5+
The only way that charges are ballanced.
N2H5+ comes from hydrazine, which act as a base.
N2H4 + H2O → N2H5+ + OH-
The blood the reaches the cells from the capillaries food and O2 pass to cells, CO2 and wastes
pass to blood. The rest of the choices do not answer the question above.
CBr4 the carbon would be taken electro positive as plus4 and bromine -1 as its in group 7
Answer:
Solution A : calcium hydroxide
Solid B : calcium oxide
Gas C : Hydrogen gas
Explanation:
i) When metals react with water they form hydroxides thus calcium hydroxide
ii) When metals eact with oxygen they form oxides.
iii) Wehn metals react with hydrochloric acid they form a salt and a gas hydrogen.
HOPE THIS HELPED
The sun is what gives the water the energy.
The sun evaporates the water, causing it to condense and precipitate, only to repeat the process again.