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TiliK225 [7]
3 years ago
9

A natural disaster caused an ecosystem to experience a significant drop in species richness. What can you conclude about the eco

system?
Evenness changed from high to low.
Evenness changed from low to high.
There’s decreased biodiversity in the ecosystem.
There’s increased biodiversity in the ecosystem.
Chemistry
2 answers:
forsale [732]3 years ago
5 0

C There’s decreased biodiversity in the ecosystem.

KATRIN_1 [288]3 years ago
3 0
C. Theres decreased Biodiversity Most likely because of natural or human causes (deforistation)
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C6H15O6

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GarryVolchara [31]

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True True False

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4) What mass of hydrogen is formed when 2.00g of magnesium<br> Mg + H2SO4–&gt;H2SO4
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2 years ago
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Mg + 2 AgNO₃ → Mg(NO₃)₂ + 2 Ag How many grams of magnesium nitrate, Mg(NO₃)₂, are formed when 9.87 moles of silver nitrate, AgNO
Aleksandr-060686 [28]

Mass of Magnesium nitrate formed : 731.86 g

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

Mg + 2AgNO₃ → Mg(NO₃)₂ + 2 Ag

moles of silver nitrate, AgNO₃ = 9.87

mole ratio AgNO₃ : Mg(NO₃)₂ = 2 : 1, so mol Mg(NO₃)₂ :

\tt \dfrac{1}{2}\times 9.87=4.935

mass of Mg(NO₃)₂(MW=148,3 g/mol) :

\tt mass=mol\times MW\\\\mass=4.935\times 148,3\\\\mass=731.86~g

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2 years ago
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