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Debora [2.8K]
3 years ago
8

Explain how index minerals allow scientists to understandthe history of a metamorphic rock

Chemistry
1 answer:
Sonbull [250]3 years ago
7 0
It's shows the relative age around them so they can guess as to the age of the metamorphic rock with out having to use carbon dating
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How many grams of carbon dioxide will form if 5.5 g of C3H8 burns in 15 g of O2?
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C3H8+3O2--->3CO2+8H
Therefore for every 1:3 there are 3 Carbon dioxides that form. That means find the limiting reactant from the two reactants.
5.5g(1mole C3H8/44.03g of C3H8)=0.1249 moled of C3H8 and if for every one C3H8 we can form three CO2. We can assume 0.3747 miles of CO2 will be produced.
15g of O2(1 mole O2/32g of O2)=0.4685moles O2 and if for every three O2 we can produce three CO2 we may assume a 1:1 ratio.
This means C3H8 will be your limiting reactant. Therefore 0.3747 moles of CO2 will be produced.
0.3747 moles of CO2(48.01 g of CO2/1 mole of CO2)= 17.99 grams of CO2
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