Shanti mixes 39 g of potassium with 39 g of chlorine. She chtains 74 g of potassium chloride and recovers 4
g of unreacted chlorine. Do Shanti's results confirm the law of conservation of mass? (SC.8.P.9.1)

No, because no potassium is left over.

Yes, because the mass of all the reactants is accounted for.

Yes, because all of the potassium reacted with the
chlorine.

No, because the mass of the potassium chloride is greater than the amount of potassium used.

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there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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