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1. Balance these equations. a. Al(s)+O2(g)→A1½O3(s) b. N2(g)+H2(g)¬NH3(g) C,H«(1)+O2(g)→H;O(1)+CO2(g) с.

1. Balance these equations. a. Al(s)+O2(g)→A1½O3(s) b. N2(g)+H2(g)¬NH3(g) C,H«(1)+O2(g)→H;O(1)+CO2(g) с.

Chemistry for Engineering Students
Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.77PAE: The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to produce...
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Page < > of 2 + ZOOM 1. Balance these equations. a. Al(s)+O2(g)¬→Al½O3(s) b. N2(g)+H2(g)→NH;(g) c. C,H6(1)+O2(g)→H2O(1)+CO2(g) 2. Balance the following equations. а. СаС2(8)+Н-О() --Са(ОН)2(s)+СH-(g) b. (NH4)2Cr2O7(s)→Cr2O3(s)+N2(g)+H2O(g) c. CH;NH2(g)+02(g)→CO2(g)+N2(g)+H2O(g) 3. An explosive whose chemical formula is C;H,N6O6 produces water, carbon dioxide, and nitrogen gas when detonated in oxygen. Write the chemical equation for the detonation reaction of this explosive. 4. A number of compounds are used in cement, and reactions among them occur when water is added. In one, CaO reacts with Al2O3 and water to form Ca3Al2(OH)12. Write a balanced chemical equation for this process. 5. Ethanol, C2H5OH, is found in gasoline blends used in many parts of North America. Write a balanced chemical equation for the combustion of C2H5OH to form CO2 and H2O. 6. Balance the following equations. a. reaction to produce "superphosphate" fertilizer: Ca3(PO4)2(s)+H2SO:(aq)→Ca(H,PO4)2(aq)+CaSO4(s) b. reaction to produce diborane, B2H6: NaBH4(s)+H2SO4(aq)→B2H6(g)+H2(g)+Na2SO4(aq) c. reaction to produce tungsten metal from tungstem(VI) oxide: WO;(s)+H2(g)→W(s)+H2O(I) d. decomposition of ammonium dichromate: (NH4),Cr,O,(s)→N>(g)+H>O(1)+Cr,O3(s) 7. Write balanced chemical equations for the following reactions. a. production of ammonia, NH3(g), by combining N2(g) and H2(g) b. production of methanol, CH;OH(1), by combining H2(g) and CO(g) c. production of sulfuric acid by combining sulfur, oxygen, and water 8. Diborane and related compounds were proposed as rocket fuels in the 1950s. A representative reaction for this class of molecules is that of B2H6 and O2 to form B203 and
Transcribed Image Text:Page < > of 2 + ZOOM 1. Balance these equations. a. Al(s)+O2(g)¬→Al½O3(s) b. N2(g)+H2(g)→NH;(g) c. C,H6(1)+O2(g)→H2O(1)+CO2(g) 2. Balance the following equations. а. СаС2(8)+Н-О() --Са(ОН)2(s)+СH-(g) b. (NH4)2Cr2O7(s)→Cr2O3(s)+N2(g)+H2O(g) c. CH;NH2(g)+02(g)→CO2(g)+N2(g)+H2O(g) 3. An explosive whose chemical formula is C;H,N6O6 produces water, carbon dioxide, and nitrogen gas when detonated in oxygen. Write the chemical equation for the detonation reaction of this explosive. 4. A number of compounds are used in cement, and reactions among them occur when water is added. In one, CaO reacts with Al2O3 and water to form Ca3Al2(OH)12. Write a balanced chemical equation for this process. 5. Ethanol, C2H5OH, is found in gasoline blends used in many parts of North America. Write a balanced chemical equation for the combustion of C2H5OH to form CO2 and H2O. 6. Balance the following equations. a. reaction to produce "superphosphate" fertilizer: Ca3(PO4)2(s)+H2SO:(aq)→Ca(H,PO4)2(aq)+CaSO4(s) b. reaction to produce diborane, B2H6: NaBH4(s)+H2SO4(aq)→B2H6(g)+H2(g)+Na2SO4(aq) c. reaction to produce tungsten metal from tungstem(VI) oxide: WO;(s)+H2(g)→W(s)+H2O(I) d. decomposition of ammonium dichromate: (NH4),Cr,O,(s)→N>(g)+H>O(1)+Cr,O3(s) 7. Write balanced chemical equations for the following reactions. a. production of ammonia, NH3(g), by combining N2(g) and H2(g) b. production of methanol, CH;OH(1), by combining H2(g) and CO(g) c. production of sulfuric acid by combining sulfur, oxygen, and water 8. Diborane and related compounds were proposed as rocket fuels in the 1950s. A representative reaction for this class of molecules is that of B2H6 and O2 to form B203 and
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