Use the following equations to answer the next four questions:i. $ \text{H}_2\text{O}(\text{s}) \rightarrow \text{H}_2\text{O}(\text{l}) $ (water)ii. $ \text{Na}^+ (\text{aq}) + \text{Cl}^- (\text{aq}) + \text{Ag}^+ (\text{aq}) + \text{NO}_3^- (\text{aq}) \rightarrow \text{AgCl}(\text{s}) + \text{Na}^+ (\text{aq}) + \text{NO}_3^- (\text{aq}) $iii. $ \text{CH}_3\text{OH}(\text{g}) + \text{O}_2(\text{g}) \rightarrow \text{CO}_2(\text{g}) + \text{H}_2\text{O}(\text{g}) $iv. $ 2\text{H}_2\text{O}(\text{l}) \rightarrow 2\text{H}_2(\text{g}) + \text{O}_2(\text{g}) $v. $ \text{H}^+ (\text{aq}) + \text{OH}^- (\text{aq}) \rightarrow \text{H}_2\text{O}(\text{l}) $Questions:(a) Which equation describes a physical change?(b) Which equation identifies the reactants and products of a combustion reaction?(c) Which equation is not balanced?(d) Which is a net ionic equation?

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12. Use the following equations to answer the next four questions: i. H2O(s) H2O(I) WOrttr ii. Na*(aq) + Cl (aq) + Ag*(aq) + NO3-(aq) AgCl(s) + Na*(aq) + NO3-(aq- iii. CH3 OH(g) +O2(g) CO2(g) + H2O(g) iv. 2H20(1) 2H2(g) + O2(g) v. H* (aq) + OH (aq) H,O(1) (a) Which equation describes a physical change? (b) Which equation identifies the reactants and products of a combustion reaction? (c) Which equation is not balanced?

12. Use the following equations to answer the next four questions: i. H2O(s) H2O(I) WOrttr ii. Na(aq) + Cl (aq) + Ag(aq) + NO3-(aq) AgCl(s) + Na(aq) + NO3-(aq- iii. CH3 OH(g) +O2(g) CO2(g) + H2O(g) iv. 2H20(1) 2H2(g) + O2(g) v. H (aq) + OH (aq) H,O(1) (a) Which equation describes a physical change? (b) Which equation identifies the reactants and products of a combustion reaction? (c) Which equation is not balanced?

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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