During an investigation a scientist heated 2.76g of silver carbonate till it decomposed to leave a silver residue. the total mass of the silver residue formed was 2.16g. does the law if conservation of mass hold true in this case?

the formula would be mgso4

mgso[subscript]4

d. temperate deciduous forest

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.