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ankoles [38]
3 years ago
13

Help chem will mark brainlist

Chemistry
1 answer:
JulsSmile [24]3 years ago
7 0

Answer:

b

d

152.4

Explanation:

: )

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How many moles of C2H2 are needed to react completely with 84.0 mol O2?
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The reaction between C2H2 and O2 is as follows:
2C2H2 + 5O2 = 4CO2 + 2H2O

After balancing the equation, the reaction ratio between C2H2 and O2 is 2:5.

The moles of O2 in this reaction is 84.0 mol. According to the above ratio, the moles of C2H2 needed to react completely with the O2 is 84.0mole *2/5 = 33.6 mole.
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All igneous rocks the basis of the rock cycle are formed by plate tectonics. ... The heat from the mantle that fuels plate tectonics causes both igneous and sedimentary rocks to be turned into metamorphic rocks. The metamorphic rocks can be eroded into sedimentary rocks are remelted back into igneous.

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a rapidly flowing river discharges into the ocean where tidal currents are weak.

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If an atom of chlorine had an atomic mass of 17 and it gained an electron what would you have?
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