Fill in the coefficients that will balance the following reaction: a0c8h18 + a1o2 → a2co2 + a3h2o

=2,=25,=16, =18

Explanation:This is an oxidation reaction in which alkane is getting oxidised to give carbon dioxide and water.

According to the law of conservation of mass, the number of atoms on product side must be equal to the number of atoms on reactant side so s the mass remains conserved.

Thus =2

=25

=16

=18

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3