Chemistry, asked by sayedsaniyanamra44, 10 months ago

when magnesium is burned in oxygen, the product formed becomes heavy..WHY???
PLZZ tell clearly

Answers

Answered by shreyashrath38
0

no the product does not form heavy it depends upon the nature of reactants


sayedsaniyanamra44: nitrogen gas has filled in electric bulbs and to store living cells and tissues...why???
sayedsaniyanamra44: plzz telk
sayedsaniyanamra44: tell*
shreyashrath38: nitrogen gas are filled in electric bulb to see the light clearly
shreyashrath38: it provider dark environment
shreyashrath38: it also prevent the melting of tungsten
shreyashrath38: i it is store living cells and tissues because it act a antioxidant and does not let the living cells to be oxidized if they will they release a fowll smell and shrink
sayedsaniyanamra44: thanks
shreyashrath38: welcome
Answered by sriharini04
2
2Mg + O2 = 2MgO 

The magnesium reacts with Oxygen in the air to form an oxide. It's now heavier because you have the weight of the oxygen that's chemically bonded to the Magnesium you had when you started.

when magnesium burns this reaction occurs 

Mg + 1/2 O2---> MgO 

So you see you have incorporated 1 oxygen to the atom Mg and the result MgO is heavier as Mg 

if you take atomic weights 1 mole of Mg weighs 24g whereas 1 mole of MgO weighs 24+16=40g

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