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Author Question: Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + ... (Read 86 times)

lidoalex

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on: Jul 8, 2021

Question 1

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements:

2 NaN3(s) → 2 Na(s) + 3 N2(g)

How many grams of sodium azide are required to produce 33.0 g of nitrogen?
◦ 1.77 g
◦ 0.785 g
◦ 76.6 g
◦ 51.1 g
◦ 114.9 g

Question 2

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide:

CaO(s) + H2O(l) → Ca(OH)2(s)

A 4.50 g sample of CaO is reacted with 4.34 g of H2O. How many grams of water remain after the reaction is complete?
◦ 0.00
◦ 0.00892
◦ 2.90
◦ 1.04
◦ 0.161
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by lidoalex on Jul 8, 2021

Tabitha_2016

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Reply #1 on: Jul 8, 2021
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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lidoalex

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

sultana.d

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Reply 3 on: Yesterday
Gracias!

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