Honestly I don’t even know
One kilogram is equal to one thousand grams. Further, one gram is equal to 1000 mg. The conversion is as shown below,
(6.285 x 10³ mg) x (1 g / 1000 mg) x (1 kg / 1000 g)
The numerical value of the operation above is 0.006285 kg.
sunlimation is when a solid goes to a gas thats all i can awnser i havent got that far in chemistry yet.
It’s decomposition. The compound is being broken apart into two different things aka decomposing.