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valkas [14]
2 years ago
12

Please help me find what type of chemical reaction takes place from numbers 1-5.

Chemistry
2 answers:
Marrrta [24]2 years ago
7 0
Sorry I’m not sure sksnsnsns. Sksnsnsnsnss sksnsnsnsnsnssnsnsns
NeX [460]2 years ago
4 0
It takes 3 cheminical, in my minds and the way I’m solving its 3 for sure, but if not try 4.5
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2MG+O2 ...........2MGO
Galina-37 [17]
Mg + 1/2 O2 → MgO

1 mol = 24 g of Mg

X mol = 12 g of Mg

x = 0.5 moles of Mg

Mg :MgO = 1:1 (coefficient from equations using mole ratio)

So

0.5 moles of MgO

1 mol MgO = (24+16) g = 40 g

0.5 moles of MgO = 0.5 × 40

= 20 g of MgO produced
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2 years ago
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elena-14-01-66 [18.8K]
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lana66690 [7]

it is the second one

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D. Sublimation is a solid turning directly into a gas
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