1.CFill in the blanks with the most appropriate term:Aare thetells the story of a chemical reaction.starting substances in the reaction whilenumbers in front of some of the formulas are calledare the new substances that are formed. The largeThese numbers are used toof Mass. The number of atomsbecause mass cannot bethe equation because chemical reactions must obey the Law ofof each element on both sides of the equation must beorWhen balancing equations, the only numbers that can be changed aremust never be changed to balance an equation.; remember thatII. Balance the following equations. Show your solution.1. Al + O₂Al₂O3ITYON2. C3H8 + O23. Al(NO3)3 + NaOHCO₂ + H₂OAl(OH)3 + NaNO3

Chemical reaction, the conversion of one or more chemicals (the reactants) into one or more distinct…

are the tells the story of a chemical reaction. are the new substances that are formed. The large These numbers are used to starting substances in the reaction while numbers in front of some of the formulas are called the equation because chemical reactions must obey the Law of of each element on both sides of the equation must be or When balancing equations, the only numbers that can be changed are remember that must never be changed to balance an equation. of Mass. The number of atoms because mass cannot be II. Balance the following equations. Show your solution. 1. Al + O₂ - Al₂O3 2. C3H8+ O2 3. Al(NO3)3 + NaOH CO₂ + H₂O ZAVE Al(OH)3 + NaNO3

are the tells the story of a chemical reaction. are the new substances that are formed. The large These numbers are used to starting substances in the reaction while numbers in front of some of the formulas are called the equation because chemical reactions must obey the Law of of each element on both sides of the equation must be or When balancing equations, the only numbers that can be changed are remember that must never be changed to balance an equation. of Mass. The number of atoms because mass cannot be II. Balance the following equations. Show your solution. 1. Al + O₂ - Al₂O3 2. C3H8+ O2 3. Al(NO3)3 + NaOH CO₂ + H₂O ZAVE Al(OH)3 + NaNO3

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter2: Atoms, Molecules, And Ions

Section: Chapter Questions

Problem 41E: In Section 1.1 of the text, the concept of a chemical reaction was introduced with the example of...

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A gaseous binary compound has a vapor density that is 2.53 times that of nitrogen at 100°C and atmospheric pressure. When 8.21 g of the gas reacts with AlCl3 at 100°C, 1.62 g gaseous nitrogen is produced, removing all of the nitrogen originally present. (a) Estimate the molecular mass of the gaseous compound. (b) How many nitrogen atoms are there in a molecule of the compound? (c) What is the maximum possible value of the atomic mass of the second element? (d) Are other values possible for the atomic mass of the second element? Use a table of atomic masses to identify the element that best fits the data. (e) What is the molecular formula of the compound?
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In Section 1.1 of the text, the concept of a chemical reaction was introduced with the example of the decomposition of water, represented as follows: Use ideas from Dalton's atomic theory to explain how the above representation illustrates the law of conservation of mass.
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Indium oxide contains 4.784 g of indium for every 1.000 g of oxygen. In 1869, when Mendeleev first presented his version of the periodic table, he proposed the formula In2O3 for indium oxide. Before that time it was thought that the formula was InO. What values for the atomic mass of indium are obtained using these two formulas? Assume that oxygen has an atomic mass of 16.00.
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