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ser-zykov [4K]
3 years ago
8

A sample of granite contains various oxides of silicon, aluminum, sodium, potassium, calcium, and iron. each of these oxides giv

es the granite a coarse-grained texture. which term or terms could be used to describe this sample of granite? check all that apply. check all that apply. mixture heterogeneous mixture homogenous mixture solution pure chemical substance compound element
Chemistry
1 answer:
Julli [10]3 years ago
4 0
It would have a solubility substance and surface

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The reaction ch4 (g) + 2 o2 (g) ? co2 (g) + 2 h2o (g) is: the reaction ch4 (g) + 2 o2 (g) co2 (g) + 2 h2o (g) is: an exothermic
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3 years ago
How many moles of oxygen are needed to react with 87 grams of aluminum
labwork [276]

Answer:

2.4 moles of oxygen are needed to react with 87 g of aluminium.

Explanation:

Chemical equation:

4Al(s)  + 3O₂(l)   → 2AlO₃(s)

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Mass of aluminium = 87 g

Moles of oxygen needed = ?

Solution:

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Now we will compare the moles of aluminium with oxygen.

                              Al         :         O₂

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                               3.2       :         3/4×3.2 = 2.4 mol

2.4 moles of oxygen are needed to react with 87 g of aluminium.

5 0
3 years ago
A stream leaving a mountain range deposits a large part of its load in a(n): alluvial fan sandbar meander sand dune
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3 0
3 years ago
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