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Example Word Equation: Aluminum reacts with chlorine to form aluminum chloride. Chemical Equation: Al + Ch - AICI, Explanation: Aluminum has an oxidation number of 3+ while chlorine is a di- atomic element which has always a subscript of 2 when it is not bonded with other element and has 1- as its oxidation number. Using the criss cross method, their oxidation numbers change as a subscript to each element that is why it becomes AICI. If the subscript is only 1 there is no need to write because it's understood that it has 1. Al C criss cross method AICI, 1. Magnesium reacts with nitrogen to produce magnesium nitride. 2. Hydrogen peroxide must be kept in an opaque container because when it is exposed to light, it decomposes to form water and oxygen. 3. Silver (1) nitrate reacts with copper to form copper (II) nitrate and silver. 4. Propane + oxygen gas → carbon dioxide gas + water vapor 5. Sodium carbonate + barium nitrate - sodium nitrate + barium carbonate

Example Word Equation: Aluminum reacts with chlorine to form aluminum chloride. Chemical Equation: Al + Ch - AICI, Explanation: Aluminum has an oxidation number of 3+ while chlorine is a di- atomic element which has always a subscript of 2 when it is not bonded with other element and has 1- as its oxidation number. Using the criss cross method, their oxidation numbers change as a subscript to each element that is why it becomes AICI. If the subscript is only 1 there is no need to write because it's understood that it has 1. Al C criss cross method AICI, 1. Magnesium reacts with nitrogen to produce magnesium nitride. 2. Hydrogen peroxide must be kept in an opaque container because when it is exposed to light, it decomposes to form water and oxygen. 3. Silver (1) nitrate reacts with copper to form copper (II) nitrate and silver. 4. Propane + oxygen gas → carbon dioxide gas + water vapor 5. Sodium carbonate + barium nitrate - sodium nitrate + barium carbonate

Chemistry
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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Let Us Try It is important to be able to describe the details of a chemical reaction. One way of doing this is to use words. Activity 1. Translate Me Direction: Write the chemical equation for the following word equations. Use the symbols/formula inside the box to answer this activity. Periodic Table of elements can also be used to help you answer the activity. Key word representation: This would help you determine the words used in an equation. An oxidation number/oxidation state determines the total number of electrons that an atom either gains or loses in order to form a chemical bond. This will become the subscript of an element in a compound using the criss cross method. Key word representation: Symbol and formula used: Word Symbol used Ag- silver O2 - oxygen React Ba 2+ - barium N2 - nitrogen And Cu 2+ - copper CO2 - carbon dioxide Produce Na'- sodium H2O - water Yield Mg 2* - magnesium H2O2 - hydrogen Form peroxide Decompose N 3- - nitride CHa - propane NOg-nitrate co.- carbonate GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021 Еxample Word Equation: Aluminum reacts with chlorine to form aluminum chloride. Chemical Equation: Al + Cl2 - AICla Explanation: Aluminum has an oxidation number of 3* while chlorine is a di- atomic element which has always a subscript of 2 when it is not bonded with other element and has 1- as its oxidation number. Using the criss cross method, their oxidation numbers change as a subscript to each element that is why it becomes AlCla. If the subscript is only 1 there is no need to write because it's understood that it has 1. Al C criss cross method AICI, 1. Magnesium reacts with nitrogen to produce magnesium nitride. 2. Hydrogen peroxide must be kept in an opaque container because when it is exposed to light, it decomposes to form water and oxygen. 3. Silver (1) nitrate reacts with copper to form copper (II) nitrate and silver. 4. Propane + oxygen gas - carbon dioxide gas + water vapor Sodium carbonate + barium nitrate - sodium nitrate + barium carbonate 5. Nice one guys! You're doing great. Let's do the next activity.
Transcribed Image Text:Let Us Try It is important to be able to describe the details of a chemical reaction. One way of doing this is to use words. Activity 1. Translate Me Direction: Write the chemical equation for the following word equations. Use the symbols/formula inside the box to answer this activity. Periodic Table of elements can also be used to help you answer the activity. Key word representation: This would help you determine the words used in an equation. An oxidation number/oxidation state determines the total number of electrons that an atom either gains or loses in order to form a chemical bond. This will become the subscript of an element in a compound using the criss cross method. Key word representation: Symbol and formula used: Word Symbol used Ag- silver O2 - oxygen React Ba 2+ - barium N2 - nitrogen And Cu 2+ - copper CO2 - carbon dioxide Produce Na'- sodium H2O - water Yield Mg 2* - magnesium H2O2 - hydrogen Form peroxide Decompose N 3- - nitride CHa - propane NOg-nitrate co.- carbonate GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021 Еxample Word Equation: Aluminum reacts with chlorine to form aluminum chloride. Chemical Equation: Al + Cl2 - AICla Explanation: Aluminum has an oxidation number of 3* while chlorine is a di- atomic element which has always a subscript of 2 when it is not bonded with other element and has 1- as its oxidation number. Using the criss cross method, their oxidation numbers change as a subscript to each element that is why it becomes AlCla. If the subscript is only 1 there is no need to write because it's understood that it has 1. Al C criss cross method AICI, 1. Magnesium reacts with nitrogen to produce magnesium nitride. 2. Hydrogen peroxide must be kept in an opaque container because when it is exposed to light, it decomposes to form water and oxygen. 3. Silver (1) nitrate reacts with copper to form copper (II) nitrate and silver. 4. Propane + oxygen gas - carbon dioxide gas + water vapor Sodium carbonate + barium nitrate - sodium nitrate + barium carbonate 5. Nice one guys! You're doing great. Let's do the next activity.
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