Write a balanced equation for the reaction described, using the smallest possible integer coefficients.Pure mercury(II) oxide(HgO) undergoes a chemical change to form, mercury and oxygen.+

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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 5A

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3.83 For the reaction of nitrogen, N2, and hydrogen, H2, to form ammonia, NH3, a student is attempting to draw a particulate diagram, as shown below. Did the student draw a correct representation of the reaction? If not, what was the error the student made?
Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ratio and a sample of water vapor? Explain.
3.107 As computer processor speeds increase, it is necessary for engineers to increase the number of circuit elements packed into a given area. Individual circuit elements are often connected using very small copper “wires” deposited directly onto the surface of the chip. In some processors, these copper interconnects are about 22 nm wide. How many copper atoms would be in a 1-mm length of such an interconnect, assuming a square cross section? (The density of copper is 8.96 g/cm3.)
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Combustion of hydrocarbons such as decane ( C 10 H 22 ) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide. A. Write a balanced chemical equation, including physical state symbols, for the combustion of liquid decane into gaseous carbon dioxide and gaseous water. B. Suppose 0.270 kg of decane are burned in air at a pressure of exactly 1 atm and a temperature of 10.0 °C . Calculate the volume of carbon dioxide gas that is produced. Be sure your answer has 3 significant digits.
Combustion of hydrocarbons such as ethane (C2H6) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the earth's atmospher can trap the sun's heat, raising the average temperature of the earth. For this reason there has been great deal of international discussion about whether to regulate the production of carbon dioxide. 1. Write a balanced chemical equation, including physical state symbols, for the combustion of gaseous ethan into gaseous carbon dioxide and gaseous water 2. Suppose 0.460 kg of ethane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degrees celsius. Calculate the volume of carbon dioxide gas that is produced. Round your answer to 3 significant digits.
A chemist is to be carrying out an experiment in which he reacts solid copper with a silver nitrate solution to produce solid silver and a copper(I) nitrate solution. Write the balanced chemical equation for this reaction. Include the physical states. Out of the Five types of chemical reactions that you know of, which chemical reaction is the one you are performing? Will this reaction take place? Give an explanation. If 32.1g of silver are produced, how many grams of copper(I) nitrate will be produced at the same time? Show all work.
1000 kg of calcium phosphate is made to react with 10% excess silica, SiO2 and 90% excess carbon to produce 100 kg of phosphorous. The other products are calcium silicate and carbon dioxide. a) What is the degree of completion of the reaction?b) Illustrate the Law of Conservation of Mass.
Write the balanced chemical reaction in the space below that is described by the following: Solid magnesium reacts with aqueous iron (II) nitrate to produce aqueous magnesium nitrate and solid iron.
For the following reactions, give the correct formulas of the reactants and products and balance the resulting equations.

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Write a balanced equation for the reaction described, using the smallest possible integer coefficients. Pure mercury(II) oxide(HgO) undergoes a chemical change to form, mercury and oxygen.