### Chemical Reactions**a. Solid Calcium Nitride Plus Heat**Chemical Reaction: \[ \text{Ca}_3\text{N}_2 \xrightarrow{\Delta} 3 \text{Ca} + 2 \text{N} \]Description: When solid calcium nitride is heated, it decomposes into three parts calcium and two parts nitrogen.**b. Solid Lead (IV) Carbonate Plus Heat**Chemical Reaction: \[ \text{Pb(CO}_3\text{)}_4 \xrightarrow{\Delta} \text{PbO}_2 + 2 \text{CO}_3 \]Description: Heating solid lead (IV) carbonate results in the formation of lead dioxide and carbon dioxide.**c. Solid Chromium (III) Sulfate Hexahydrate Plus Heat**The exact chemical equation is not provided, but typically, heating such compounds may result in the loss of water molecules (dehydration) and can further decompose if temperature is increased.**d. Sodium Metal Plus Nitrogen Gas**Description: This line refers to a combination of sodium metal with nitrogen gas. The specific reaction or product is not detailed here.

Answered: Image /qna-images/answer/d419b1c5-acfb-476b-bbec-c2727ce8987a.jpg

+2 -3 a. solid calcium nitride plus heat Ca Na 3 Ca +2N → b. solid lead (IV) carbonate plus heat Pb(C03) 4 Pb O₂ + 2003 соз c. solid chromium (III) sulfate hexahydrate plus heat d. sodium metal plus nitrogen gas

+2 -3 a. solid calcium nitride plus heat Ca Na 3 Ca +2N → b. solid lead (IV) carbonate plus heat Pb(C03) 4 Pb O₂ + 2003 соз c. solid chromium (III) sulfate hexahydrate plus heat d. sodium metal plus nitrogen gas

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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