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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 63 times)

Mr. Wonderful

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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


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Marked as best answer by Mr. Wonderful on Nov 18, 2019

irishcancer18

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Mr. Wonderful

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review


deja

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Reply 3 on: Yesterday
Wow, this really help

 

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