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A. Combination B. Bouble displacement B. Decomposition c. Single displacement E. Combustion F. Acid-base 1. Na OH + KNO3 -----→ Na NO3 + K OH 2. CH4 + O2 -------→ 3. Fe + Na Br -- 4. Ca SO4 + Mg ( OH )2 ------→ Ca (OH )2 + Mg SO4 5. NH4 OH + H Br -------→ H2O + NH4 Br 6. P4 + O2 --------→ P2 Os 7. Na NOs ------→ Na NO2 + O2 8. C18 H18 + O2 -------→ CO2 + H2O 9. H2 SO4 + Na OH 10. Ni SO4 + Lis PO4 ----→ Ni3 ( PO4 )2 + Liz SO4 CO2 + 2 H20 ---→ Fe Br3 + Na -→ Na SO. + H20

A. Combination B. Bouble displacement B. Decomposition c. Single displacement E. Combustion F. Acid-base 1. Na OH + KNO3 -----→ Na NO3 + K OH 2. CH4 + O2 -------→ 3. Fe + Na Br -- 4. Ca SO4 + Mg ( OH )2 ------→ Ca (OH )2 + Mg SO4 5. NH4 OH + H Br -------→ H2O + NH4 Br 6. P4 + O2 --------→ P2 Os 7. Na NOs ------→ Na NO2 + O2 8. C18 H18 + O2 -------→ CO2 + H2O 9. H2 SO4 + Na OH 10. Ni SO4 + Lis PO4 ----→ Ni3 ( PO4 )2 + Liz SO4 CO2 + 2 H20 ---→ Fe Br3 + Na -→ Na SO. + H20

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
Section: Chapter Questions
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Classify the following unbalanced chemical equations according to the six
types of chemical reactions. Write the letter only on the space provided.

CLASSIFICATION OF CHEMICAL REACTION: 1. COMBINATION REACTION-reactants combine to form a single product. The formula for this reaction is A + B-----→ AB Example. Na + Cl2 ----→ Na CI 2. DECOMPOSITION REACTION – a single reactant breaks down into simpler ones. ( 2 or more products ). This is the reverse of combination reaction. The formula for this reaction is Eample. AB ---- → A + B H20 ------> H2 + O2 3. SINGLE DISPLACEMENT ( Replacement ) REACTION --one element replaces another element from a compound. The more active element takes the place of the less active element in the compound. A + BC -----→ AC +B Example. Al + Liz O ------→ Al Os + Li 4. DOUBLE DISPLACEMENT REACTION ( metathesis) – When the positive ions ( cations ) and negative ions (anions ) of different compounds switch places forming two entirely different compounds. The equation. AB + CD -----> AD + CB Example. Ba Cl2 + Na Br ---> Ba Brz + Na CI 5. COMBUSTION ( Burning ) REACTION. This when oxygen combines with a hydrocarbon to form water and carbon dioxide. Example. CH4 + O2 ----→ cO2 + H2O 6. ACID – BASE REACTION – a special kind of double displacement that takes place when an acid and base react with each other. Example. HCI + NaOH ----→ NaCI + H2O The mass is conserved in a chemical reaction known as the Law of Conservation of Mass . The total mass of the reactants is equal to the total mass of the products. No new atoms are created or destroyed. there was only grouping and regrouping ( rearrangement ) of atoms. For a chemical equation to conform to the Law of Conservation of Mass, it has to be balanced. Chemical equations are balanced by placing the appropriate coefficients before the symbols or formulas of reactants and products. The coefficient ( number) placed before the formulas indicate the number of molecules or moles while the subscript ( number ) placed after the element /compound.
Transcribed Image Text:CLASSIFICATION OF CHEMICAL REACTION: 1. COMBINATION REACTION-reactants combine to form a single product. The formula for this reaction is A + B-----→ AB Example. Na + Cl2 ----→ Na CI 2. DECOMPOSITION REACTION – a single reactant breaks down into simpler ones. ( 2 or more products ). This is the reverse of combination reaction. The formula for this reaction is Eample. AB ---- → A + B H20 ------> H2 + O2 3. SINGLE DISPLACEMENT ( Replacement ) REACTION --one element replaces another element from a compound. The more active element takes the place of the less active element in the compound. A + BC -----→ AC +B Example. Al + Liz O ------→ Al Os + Li 4. DOUBLE DISPLACEMENT REACTION ( metathesis) – When the positive ions ( cations ) and negative ions (anions ) of different compounds switch places forming two entirely different compounds. The equation. AB + CD -----> AD + CB Example. Ba Cl2 + Na Br ---> Ba Brz + Na CI 5. COMBUSTION ( Burning ) REACTION. This when oxygen combines with a hydrocarbon to form water and carbon dioxide. Example. CH4 + O2 ----→ cO2 + H2O 6. ACID – BASE REACTION – a special kind of double displacement that takes place when an acid and base react with each other. Example. HCI + NaOH ----→ NaCI + H2O The mass is conserved in a chemical reaction known as the Law of Conservation of Mass . The total mass of the reactants is equal to the total mass of the products. No new atoms are created or destroyed. there was only grouping and regrouping ( rearrangement ) of atoms. For a chemical equation to conform to the Law of Conservation of Mass, it has to be balanced. Chemical equations are balanced by placing the appropriate coefficients before the symbols or formulas of reactants and products. The coefficient ( number) placed before the formulas indicate the number of molecules or moles while the subscript ( number ) placed after the element /compound.
A. Combination B. Decomposition C. Single displacement D. Double displacement E. Combustion F. Acid-base 1. Na OH + KNO3 ----> Na NO3 + K OH 2. CH4 + O2 -------→ CO2 + 2 H20 3. Fe + Na Br 4. Ca SO4 + Mg ( OH )2 -----→ Ca (OH )2 + Mg SO4 5. NH4 OH + H Br --------> H2O + NH4 Br 6. P4 + O2 7. Na NO3 -------→ Na NO2 + O2 8. C18 H18 + O2 9. H2 SO4 + Na OH ------ 10. Ni SO4 + Lis PO4 → Fe Brs + Na -------- P2 Os -→ CO2 + H2O -------* → Na SO4 + H2O -→ Ni3 ( PO4 )2 + Liz SO4 -------
Transcribed Image Text:A. Combination B. Decomposition C. Single displacement D. Double displacement E. Combustion F. Acid-base 1. Na OH + KNO3 ----> Na NO3 + K OH 2. CH4 + O2 -------→ CO2 + 2 H20 3. Fe + Na Br 4. Ca SO4 + Mg ( OH )2 -----→ Ca (OH )2 + Mg SO4 5. NH4 OH + H Br --------> H2O + NH4 Br 6. P4 + O2 7. Na NO3 -------→ Na NO2 + O2 8. C18 H18 + O2 9. H2 SO4 + Na OH ------ 10. Ni SO4 + Lis PO4 → Fe Brs + Na -------- P2 Os -→ CO2 + H2O -------* → Na SO4 + H2O -→ Ni3 ( PO4 )2 + Liz SO4 -------
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