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help me balance & find how many grams of water would be produced if 20.0 liters of O2 gas were burned at a temperature of -10.O*c & a pressure of 1.3 atm

help me balance amp find how many grams of water would be produced if 200 liters of O2 gas were burned at a temperature of 10Oc amp a pressure of 13 atm class=

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I have finished the balanced equation part. Give me a little more time for part B.

Edit: Found a way so here it is as well.
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Answer:

15.5 g or 16 grams of water, 2 SF. Balanced equation is 2 C8H18 + 25 O2 produces 16 CO2 + 18 H20

Explanation:Use Ideal Gas law, PV=nRT to find the moles of O2 and then use the mole ratio to find moles of water (0.864 mol), convert moles to mass.

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