What's In A. Do you know what is a chemical equation dear learner? Below is a sample of a chemical equation and its parts. Reactants Product 2H2+02 w 2H2O Coefficient Coefficient 2H2+02 2H20 Number of atoms *Note: To obtain the total number of molecules is to multiply the number of atoms to the coefficient. A. Answer the following questions in a separate sheet of paper, 1.) What are the reactants in the chemical equation? 2.) What is the product? 3.) What is the coefficient of Hydrogen in the reactant? 4.) What is the coefficient of Hydrogen in the product? 5.) What is the coefficient of Oxygen in the reactant? 6.) What is the coefficient of Oxygen in the product? 7.) How many Hydrogen molecules present in the reactant side? 8.) How many Hydrogen molecules present in the product side? 9.) How many Oxygen molecules present in the reactant side? 10.) How many Oxygen molecules present in the product síde?

What's In A. Do you know what is a chemical equation dear learner? Below is a sample of a chemical equation and its parts. Reactants Product 2H2+02 w 2H2O Coefficient Coefficient 2H2+02 2H20 Number of atoms *Note: To obtain the total number of molecules is to multiply the number of atoms to the coefficient. A. Answer the following questions in a separate sheet of paper, 1.) What are the reactants in the chemical equation? 2.) What is the product? 3.) What is the coefficient of Hydrogen in the reactant? 4.) What is the coefficient of Hydrogen in the product? 5.) What is the coefficient of Oxygen in the reactant? 6.) What is the coefficient of Oxygen in the product? 7.) How many Hydrogen molecules present in the reactant side? 8.) How many Hydrogen molecules present in the product side? 9.) How many Oxygen molecules present in the reactant side? 10.) How many Oxygen molecules present in the product síde?

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 1STP

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Similar questions

When lead(II) sulfide is heated lo high temperatures in a stream of pure oxygen gas, solid lead(II) oxide forms with the release of gaseous sulfur dioxide. Write the unbalanced chemical equation for this reaction.
Carbon monoxide reacts with oxygen to form carbon dioxide at a temperature at which all species are in the gas phase. A tiny sample of the pre-reaction mixture is shown in the following diagram, in which purple spheres represent oxygen atoms and green spheres represent carbon atoms. Draw the product mixture. Give a written description of your reasoning.
Carbon dioxide from the atmosphere weathers, or dissolves, limestone (CaCO3) by the reaction CaCO3(s)+CO2(g)+H2O(l)Ca2(aq)+2HCO3(aq) Obtain H for this reaction. See Table 6.2 for the data.
When balancing a chemical equation, which of the following statements is false? l type='a'> Subscripts in the reactants must be conserved in the products. i>Coefficients are used to balance the atoms on both sides. i>The law of conservation of matter must he followed. i>Phases are often shown for each compound hut are not critical to balancing an equation.
list at least three quantities that must be conserved in chemical reactions.
An experiment is conducted in which varying amounts of solid iron are added to a fixed volume of liquid bromine. The product of the reaction is a single compound, which can be separated from the product mixture and weighed. The graph shows the relationship between the mass of iron in each trail versus the mass of the product compound. Explain why the group has a positive slope for low masses of iron and a zero slope when the mass of iron added becomes larger.
Classify each of the following statements as true or false: a Coefficients in a chemical equation express the molar proportions among both reactants and products. b A stoichiometry problem can be solved with an unbalanced equation. c In solving a stoichiometry problem, the change from quantity of given substance to quantity of wanted substance is based on masses. d Percentage yield is actual yield expressed as a percentage of ideal yield. e The quantity of product of any reaction can be calculated only through the moles of the limiting reactant. f rH is positive for an endothermic reaction and negative for an exothermic reaction.
Explain how an equation can be balanced even if the number of reactant particles differs from the number of product particles.
The following demonstration takes place in a two-step process: First, solid calcium carbide (CaC2) reacts with liquid water to produce acetylene gas (C2H2) and aqueous calcium hydroxide. Second, the acetylene gas produced is then ignited with a match, causing the combustion reaction of acetylene with oxygen gas to produce gaseous carbon dioxide and gaseous water. Write the balanced equation for each reaction that is occurring.