At STP, copper (Cu) would be the only substance here that will exist in the solid state.
Oxygen in oxides has oxidation number -2.
<span>Al⁺³₂O⁻²₃
+3*2 -2*3=0</span>
Answer:
the energy value of the olive oil kJ/g = 36.880 KJ/g
Explanation:
we can calculate energy gained by the water which generated by the reaction from this formula :
Q = mc∆t
where:
m is the mass of water= 370 g
c specific heat of water = 4.184 J/g·°C
∆t is the change or difference in temperature in °C = 38.9 - 22.7 = 16.2 °C
by substitution:
Q = 370g * 4.184 J/g.°C* 16.2°C
= 25078.896 Joule
the energy value of the olive oil = Q / mass of olive oil
= 25078.896 Joule/ 0.68 g
=36880 J/g
= 36880 / 1000 = 36.880 KJ/g
The atoms are not really sharing electrons as much as they are fighting over them this creates a force that makes the atoms stick together.
