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Author Question: A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25-g sample of the gas occupies a ... (Read 68 times)

desireelg_7

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on: Nov 5, 2023

Question 1

A gas evolved during the fermentation of sugar was collected. After purification its volume was found to be 25.0 L at 22.5°C and 702 mmHg. How many moles of gas were collected?
◦ 0.95 mol
◦ 1.05 mol
◦ 12.5 mol
◦ 22.4 mol
◦ 724 mol

Question 2

A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass.  A 5.25-g sample of the gas occupies a volume of 1.00 L and exerts a pressure of 1.26 atm at –4.0°C.  Which of these choices is its molecular formula?
◦ NO
◦ NO2

◦ N3O6

◦ N2O4

◦ N2O5
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by desireelg_7 on Nov 5, 2023

hvhf4k+549qz8f218jyo@shar

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Reply #1 on: Nov 5, 2023
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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desireelg_7

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

cpetit11

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Reply 3 on: Yesterday
Excellent

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