Concept explainers
Write a balanced equation for the reaction between
(a) dihydrogen sulfide and sulfur dioxide gases to form sulfur solid and steam.
(b) methane, ammonia, and oxygen gases to form hydrogen cyanide gas and steam.
(c) iron(lll) oxide and hydrogen gas to form molten iron and steam.
(d) uranium(IV) oxide and hydrogen fluoride gas to form uranium(IV) fluoride and steam.
(e) the combustion of ethyl alcohol (C2H5OH) to give carbon dioxide and water.
(a)
Interpretation:
The balanced chemical equation for the formation of sulfur solid and steam from dihydrogen sulfide and sulfur dioxide needs to be determined.
Concept introduction:
A chemical reaction is said to be balanced if all the constituent atoms are same on both sides of the reaction arrow. A balanced chemical reaction is in accordance with the law of conservation of mass.
Answer to Problem 52QAP
Explanation of Solution
The reaction of dihydrogen sulfide and sulfur dioxide gases to form sulfur solid and steam is represented as follows:
Give coefficient 2 to
Now, give coefficient 2 to
In the last step, give coefficient 3 to S thus,
Therefore, the balanced chemical reaction will be:
(b)
Interpretation:
The balanced chemical equation for the formation of hydrogen cyanide gas and steam from methane, ammonia and oxygen needs to be determined.
Concept introduction:
A chemical reaction is said to be balanced if all the constituent atoms are same on both sides of the reaction arrow. A balanced chemical reaction is in accordance with the law of conservation of mass.
Answer to Problem 52QAP
Explanation of Solution
The reaction of methane, ammonia and oxygen gas to form hydrogen cyanide gas and steam is as follows:
Give coefficient 3 to
Now, give coefficient 3/2 to oxygen gas to balance the number of oxygen atoms.
Or,
Therefore, the balanced chemical reaction will be:
(c)
Interpretation:
The balanced chemical equation for the formation of molten iron and steam from iron (III) oxide and hydrogen gas needs to be determined.
Concept introduction:
A chemical reaction is said to be balanced if all the constituent atoms are same on both sides of the reaction arrow. A balanced chemical reaction is in accordance with the law of conservation of mass.
Answer to Problem 52QAP
Explanation of Solution
The reaction of iron (III) oxide and hydrogen gas to form molten iron and steam is as follows:
Give coefficient 2 to Fe to balance the number of iron atoms.
Now, give coefficient 3 to
In the last step, give coefficient 3 to hydrogen gas to balance the number of hydrogen atoms.
Therefore, the balanced chemical reaction will be:
(d)
Interpretation:
The balanced chemical equation for the formation of uranium (IV) fluoride and steam from uranium(IV) oxide and hydrogen fluoride needs to be determined.
Concept introduction:
A chemical reaction is said to be balanced if all the constituent atoms are same on both sides of the reaction arrow. A balanced chemical reaction is in accordance with the law of conservation of mass.
Answer to Problem 52QAP
Explanation of Solution
The reaction of uranium (IV) oxide with hydrogen fluoride gas to give uranium (IV) fluoride and steam is as follows:
Give coefficient 4 to HF to balance the number of F atoms.
Now, give coefficient 2 to water to balance the number of hydrogen and oxygen atoms.
Therefore, the balanced chemical reaction will be:
(e)
Interpretation:
The balanced chemical equation for the combustion of ethyl alcohol needs to be determined.
Concept introduction:
A chemical reaction is said to be balanced if all the constituent atoms are same on both sides of the reaction arrow. A balanced chemical reaction is in accordance with the law of conservation of mass.
Answer to Problem 52QAP
Explanation of Solution
The combustion reaction of ethyl alcohol to give carbon dioxide and water is as follows:
Give coefficient 2 to carbon dioxide to balance the number of C atoms.
Now, give coefficient 3 to water to balance the number of hydrogen atoms.
In the last step, give coefficient 3 to oxygen gas to balance the number of oxygen atoms.
Therefore, the balanced chemical reaction will be:
Want to see more full solutions like this?
Chapter 3 Solutions
Chemistry: Principles and Reactions
- Phosphoric acid, H3PO4, can be prepared by the reaction of phosphorus(V) oxide, P4O10, with water. 14P4O10(s)+32H2O(l)H3PO4(aq);H=96.2kJ What is H for the reaction involving 1 mol of P4O10? P4O10(s)+6H2O(l)4H3PO4(aq)arrow_forwardMany over-the-counter antacid tablets are now formulated using calcium carbonate as the active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for gastric hyperacidity, calcium carbonate reacts by combining with hydrochloric acid found in the stomach, producing a solution of calcium chloride, converting the stomach acid to water, and releasing carbon dioxide gas (which the person suffering from stomach problems may feel as a “burp”). Write the unbalanced chemical equation for this process.arrow_forward4.22 Generally, an excess of O2 is needed for the reaction Sn+O2SnO2 . What is the minimum number of moles of oxygen required to oxidize 7.3 moles of tin?arrow_forward
- Write a balanced equation for (a) the combustion (reaction with oxygen gas) of glucose, C6H12O6, to give carbon dioxide and water. (b) the reaction between xenon tetrafluoride gas and water to give xenon, oxygen, and hydrogen fluoride gases. (c) the reaction between aluminum and iron(III) oxide to give aluminum oxide and iron. (d) the formation of ammonia gas from its elements. (e) the reaction between sodium chloride, sulfur dioxide gas, steam, and oxygen to give sodium sulfate and hydrogen chloride gas.arrow_forward4.19 How many metric tons of carbon are required to react with 7.83 metric tons of Fe2O3 according to the following reaction? 2Fe2O3+3C3CO2+4Fe How many metric tons of iron are produced?arrow_forwardThe carbon dioxide exhaled in the breath of astronauts is often removed from the spacecraft by reaction with lithium hydroxide 2LiOH(s)+CO2(g)Li2CO3(s)+H2O(l) Estimate the grams of lithium hydroxide required per astronaut per day. Assume that each astronaut requires 2.50 103 kcal of energy per day. Further assume that this energy can be equated to the heat of combustion of a quantity of glucose, C6H12O6, to CO2(g) and H2O(l). From the amount of glucose required to give 2.50 103 kcal of heat, calculate the amount of CO2 produced and hence the amount of LiOH required. The H for glucose(s) is 1273 kJ/mol.arrow_forward
- What is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of mercury, if the fish contains 30 parts per million of mercury by weight? (Assume that all the mercury from the fish ends up as mercury (II) chloride in the body and that a fatal dose is 0.20 g of HgCl2.) How many pounds of fish is this?arrow_forwardHow is the addition of heat symbolized in a chemical equation? The addition of light energy?arrow_forwardWrite balanced chemical equations for the following reactions: (a) zinc metal heated in a stream of oxygen gas (b) zinc carbonate heated until loss of mass stops (c) zinc carbonate added to a solution 0f acetic acid, CH3CO2H (d) zinc added to a solution of hydro-bromic acidarrow_forward
- Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g)+5O24NO(g)+6H2O(g)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(aq)+NO(g) What mass of NH3 must be used to produce 1.0 106 kg HNO3 by the Ostwald process? Assume 100% yield in each reaction, and assume that the NO produced in the third step is not recycled.arrow_forwardThe reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3Al(s)+3NH4ClO4(s)Al2O3(s)+AlCl3(s)+3NO(g)+6H2O(g) Calculate H for this reactionarrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning