Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Ni and H in the balanced reaction? Ni2 (aq) NH4 (aq) → Ni(s) NO3-(aq).

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

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.