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Author Question: If the density of ethanol, C2H5OH, is 0.789 g mL-1. How many millilitres of ethanol are needed to ... (Read 167 times)

Mr. Wonderful

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on: Nov 18, 2019

Question 1

Dinitrogen monoxide gas decomposes to form nitrogen gas and oxygen gas. How many grams of oxygen are formed when 10.0 g of dinitrogen monoxide decomposes?
◦ 0.275 g
◦ 14.5 g
◦ 3.64 g
◦ 7.27 g

Question 2

If the density of ethanol, C2H5OH, is 0.789 g mL-1. How many millilitres of ethanol are needed to produce 15.0 g of CO2 according to the following chemical equation?

C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l)

◦ 839.8 mL
◦ 9.95 mL
◦ 6.19 mL
◦ 19.9 mL
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by Mr. Wonderful on Nov 18, 2019

irishcancer18

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Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Mr. Wonderful

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Reply 2 on: Nov 18, 2019
Great answer, keep it coming :)

pratush dev

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Reply 3 on: Yesterday
Excellent

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