Enter the coeffiecients (in order) from your balanced equation. Since #1:1:3# is the smallest ratio that can be used to balance the chemical equation using whole number coefficients, you can thus say that the oxygen molecule has a coefficient of #3# in the balanced chemical equation that describes the decomposition of magnesium chlorate. C8H 18 → 8CO2 +9H 2O ; hydrogens balanced. OK, now we need to count the oxygens on the right side: 4 in the CO2 and 2 in the H20. When the equation C8H18 + O2 → CO2 + H2O is balanced with the smallest set of integers, the sum of the coefficients is 61 Balance the following equation … 2 c8h18 + 25 o2 ---> 16 co2 + 18 h2o. 2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O. Compound states [like (s) (aq) or (g)] are not required. Compound states [like (s) (aq) or (g)] are not required. Cram.com makes it easy to get the grade you want! Terms Which of the following is NOT true of enzymes, University of Illinois, Urbana Champaign • ECE 460, Lebanese American University • CHEMISTRY 202, Copyright © 2021. chapter 5-MCQs.pdf - 1 When the following equation is balanced the coefficients are C8H18 O2 \u2192 CO2 H2O a b c d e 2 3 4 4 1 4 8 9 2 12 8 9 4 4 32 36 2. ___CO2 + ___H2O is balanced, the coefficient of O2 is: A) 3 B) 10 C) 19 D) 38 E) none of the above ___CO2 + ___H2O A) 2, 1, 3, 1 B) 2, 3, 2, 2 C) 1, 3, 2, 1 This preview shows page 1 - 3 out of 3 pages. of 22.05 grams of propane with excess oxygen. The assumption that the final balanced chemical equation contains only one molecule or formula unit of the most complex substance is not always valid, but it is a good place to start. The final balanced equation is: C2H4 + 3O2 ---> 2CO2 + H2O View Homework Help - Practice Problems Ch. Question 1 1 out of 1 points When the following equation is balanced, the coefficients are _. View Homework 3.docx from CHEM 1411 at Tarrant County College. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. https://quizlet.com/368649298/chemistry-chapter-3-exam-flash-cards The combustion reaction of octane is:2 C8H18 + 25 O2 = 16 CO2 + 18 H2OSo, the number of oxygen molecules is … 2, 3, 4, 4B. Combustion rxn requires you to have an oxygen in the reactants and carbon dioxide and water as your products. 3. it isn't oxidised. Type of Chemical Reaction: For this reaction we have a combination reaction. Get the detailed answer: When C8H18 undergoes combustion, and the combustion equation is balanced with the smallest integer coefficients, the coefficient o & How To Balance Equations. It can be balance by putting 3 in front of CO2 as shown below: C8H18(l) + O2(g) ----> 8CO2(g) + 9H2O. There are 4 H atoms on the left side and 2 H atoms on the right. A) oxygen B) nitrogen C) carbon D) water E) argon. The coefficient for oxygen (O2) would differ depending on where it is diffused. Place a coefficient of 2 in front of the "H"_2"O"". The combustion of any hydrocarbon with oxygen produces carbon dioxide and water. Problem: When the following equation is balanced, the coefficients are _____._____C8H18 (g) + _____O2 (g) → _____CO2 (g) + _____H2O (g)A. Show step-by-step how to balance the equation. Question: When The Following Equation Is Balanced, The Coefficients Are _____ C_8H_18 + O_2 Rightarrow CO_2 + H_2O A) 2, 3, 4, 4 B) 1, 4, 8, 9 C) 2, 12, 8, 9 D) 4, 4, 32, 36 E) 2, 25, 16, 18 Of The Reactions Below, Which One Is Not A Combination Reaction? When the following equation is balanced, the coefficients are NH3 (g) + O2 (g) — NO2 (g) + H2O (g) 2. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Compound states [like (s) (aq) or (g)] are not required. C3H16 (g) + O2 (g) → H2O (g) + CO2 (g) When the equation is completely balanced using smallest whole numbers, the coefficient of O, is (1) 8 (2) 12 (3) 14 (4) 16 You can use parenthesis or brackets []. When the equation, ___O2 + ___C6 H14 ? Problem: When the following equation is balanced, the coefficients are _____._____C8H18 (g) + _____O2 (g) → _____CO2 (g) + _____H2O (g)A. What is the % yield in this reaction? If you are having trouble with Chemistry, Organic, Physics, Calculus, or Statistics, we got your back! Answer the following question(s) about this reaction. 1. Be sure to count all of the Oxygen atoms on the reactant side of the equation. You can use parenthesis or brackets []. ___O2 + ___CH4 ? C3H6O2(l) + O2(g) → CO2(g) + H2O(l) To know the coefficient of O2 in the above equation, let us balance the equation. Course Hero is not sponsored or endorsed by any college or university. 5 b. Study Flashcards On Chemistry Test 2 at Cram.com. C17H24 (1) + O2 (g) → CO2 (g) + H2O… Correct answer to the question When the following equation is balanced, the coefficients are: ___NH3 (g) + ___O2 (g) --> ___CO2 (g) + ___H2O (g) - e-eduanswers.com Study Flashcards On Chemistry Test 2 at Cram.com. View Quiz 3.docx from CHEM 1411 at Tarrant County College. O2(g) → ? When the following equation is balanced, the coefficients of oxygen is PbS (s) + O2 (g) — PbO (s) + SO2 (g) 4. Solution for When the following equation is balanced, the coefficient of O2 is _____. When the following equation is balanced, the coefficients are ________. How To Balance Equations. | A) oxygen B) nitrogen C) carbon dioxide D) water E) argon When a hydrocarbon burns in air, a component produced is? C4H10+O2→CO2+H2O When the following equation is balanced, the coefficients are _____. O2 + C6H14 → 6 CO2 + 7 H2O Compound states [like (s) (aq) or (g)] are not required. Solution for When this equation is balanced with the lowest whole number coefficients, what is the coefficient for oxygen? 2nd step: balance the H’s by making 7 H2O. Use complete sentences to explain your answer. … In many cases a complete equation will be suggested. Our videos will help you understand concepts, solve your homework, and do great on your exams. You can use parenthesis or brackets []. Read our article on how to balance chemical equations or ask for help in our chat. Terms. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Consider the following unbalanced equation. © 2003-2021 Chegg Inc. All rights reserved. Determine the balanced chemical equation for this reaction. Read our article on how to balance chemical equations … But they come in packets of 2, so we need 3 packets. What are the coefficients for the following reaction when it is properly balanced? Our videos prepare you to succeed in your college classes. B) 6.03 g. The following equation represents the formation of nitrogen dioxide, a major component of smog, You can use parenthesis or brackets []. Quickly memorize the terms, phrases and much more. How to solve: What is the coefficient of water when the following equation is balanced CO2 + H2O = CH4 + O2? Answer to When the following equation is balanced, what are the coefficients? "CH"_4" + O"_2rarr"CO"_2" + 2H"_2"O" Now look at the O atoms. CO2(g) + ? Whales also have a small pelvic girdle. In, a particular experiment, 38.0 grams of carbon dioxide are produced from the reaction. In one sentence explain what is wrong with them, and rewrite them so that the coefficients are correct. If you do not know what products are enter reagents only and click 'Balance'. Consider the following unbalanced equation. A) C + O_2 rightarrow CO_2 B) 2Mg + O_2 rightarrow 2MgO C) 2N_2 + 3H_2 rightarrow 2NH_3 D) CaO + H_2O rightarrow Ca(OH)_2 E) 2CH_4 + 4O_2 rightarrow 2CO_2 + 4H_2O When a hydrocarbon burns in air, what component of air reacts? Get the detailed answer: When C8H18 undergoes combustion, and the combustion equation is balanced with the smallest integer coefficients, the coefficient o 1st step: balance the C’s by making 6 CO2. 6 altogether. Third step: steadiness the O’s by means of making eight O2 eight O2 + C5H12 → 5 CO2 + 6H2O below is the method of balancing equations for the combustion of hydrocarbon compounds. Read our article on how to balance chemical equations … Reactivity of the metals How do you balance #HCl + Ba(OH)_2 -> BaCl_2 + H_2O#? Which of the following are synthesis reactions? ) We … View desktop site, When the following equation is balanced, the coefficients are ________ C_8H_18 + O_2 rightarrow CO_2 + H_2O A) 2, 3, 4, 4 B) 1, 4, 8, 9 C) 2, 12, 8, 9 D) 4, 4, 32, 36 E) 2, 25, 16, 18 Of the reactions below, which one is not a combination reaction? The usual rigmarole in these combustion equations is to balance the carbons as carbon dioxide...then balance the hydrogens as water, and THEN balance the oxygens by adding in dioxygen.. And so ... C8H 18 → 8CO2 +H 2O ; carbons balanced. How To Balance Equations. How to solve: Refer to the following unbalanced equation: C6H14 + O2 --- CO2 + H2O. Cram.com makes it easy to get the grade you want! _____P4 +_____S8 _____P4S10 A) 12 B) 19 C) 13 D) 14 20) When the equation C8H18 + O2 CO2 + H2O is correctly balanced, the coefficient in front of O2 is _____. View Chapter 3 Homework 1.docx from MICROBIOLO micro 302 at Albany Technical College. You can use parenthesis or brackets []. ★★★ Correct answer to the question: When the following equation is balanced, kclo3 (s) → kcl(s) + o2(g), the coefficient of kclo3 is - edu-answer.com If the coefficient of O2 is a fraction or mixed number multiply both sides of the equation by the denominator to make the coefficients be whole numbers. Read our article on how to balance chemical equations … For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. Balancing Strategies: In this combination (also called synthesis) reaction, the NO and O2 are combining to form NO2. Similarly, there are 4 H on the left and only 2 on the right, so the coefficient of H2O needs to be 2: C2H4 + O2 ---> 2CO2 + 2H2O. You can use parenthesis or brackets []. We now have 4 H atoms on both sides. If your balanced equation were H2 + O2 → H2O2, you would enter 111) (Tol: ± 0) Normally a coefficient of 1 is implied, ... Balance the following equation: C + O2 arrow CO The given equation to be balanced is #C_4H_10+O_2 -> CO_2+H_2O# We begin by counting the number of #C# atoms on both sides. The above equation can be balance as follow: C3H6O2(l) + O2(g) → CO2(g) + H2O(l) There are 3 atoms of C on the left side and 1 atom on the right side. C4H8O(g) + O2 (g) → CO2(g) + H2O(g) 12… 7. Quickly memorize the terms, phrases and much more. How to solve: What is the coefficient of water when the following equation is balanced CO2 + H2O = CH4 + O2? C5H12 (l)+ ? reacts with oxygen in the air to produce carbon dioxide and water. Course Hero, Inc. Lastly, balance the Oxygen: C8H18(l) + (25/2)O2(g) ----> 8CO2(g) + 9H2O. Example: O2 + C6H14 → CO2 + H2O . Let us help you simplify your studying. Privacy For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. For the unbalanced equation N2 + O2 → N2O5 Answer the following based on beginning the reaction with 2.92 g N2 and 9.95 g O2 and recovering 8.32 g of N2O5 at the end of the reaction. How To Balance Equations. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. C8H 18 + 25 2 O2 → 8CO2 + 9H 2O ; oxygen balanced. What is the coefficient of {eq}\rm{O}_2 {/eq} when the following equation is completed and balanced? H2 + O2 = H2O 2. View chapter 5-MCQs.pdf from CHEM 200 at Lebanese American University. When the following equation is balanced, the coefficients of H2 is K (s) + H2O (I) — KOH (aq) + H2 (g) 3. When the following reaction is balanced, the coefficient in front of oxygen is: _____ C8H18 + _____ O2 → _____ CO2 + _____ H2O 2. , Two things that biomedical has invented or innovated. Question 1 1 out of 1 points When the following equation is balanced, the coefficients are _. C8H18 + O2 → CO2 + 1. What is the sum of the coefficients? The balanced chemical equation for the combustion of ethane, or #C_2H_6#, looks like this #2C_2H_(6(g)) + 7O_(2(g)) -> 4CO_(2(g)) + 6H_2O_((l))# This means that the coefficient in front of #CO_2# will be 4 - option D.. SIDE NOTE You'll sometimes see this written with fractional coefficients, but the standard form equation has coefficients that are integers for all … Solution. When the following reaction is balanced the coefficient in front of carbon dioxide is: ____ C5H12 + ____ O2 →… Get the answers you need, now! 1, 6, 4, 5 2, 12, 5, 20 2, 13, 8, 10 4, 26, 8, 10 1, 7, 2, 2 At first glance they are balanced with 1 C on each side. Compound states [like (s) (aq) or (g)] are not required. HgS + O2 - HgO + SO2 What are the coefficients that should be added to balance this equation? How To Balance Equations. The coefficient on the diatomic oxygen reactant is 1, which we put in explicitly in the equation. Now look at the H atoms. You can use parenthesis or brackets []. 39. When the following equation is balanced, … Solution for When the following equation is balanced, the coefficient of O2 is _____. Privacy 3 from CO 2 at Louisiana State University. This chemical reaction is a complete combustion of a hydrocarbon in the presence of excess oxygen. How To Balance Equations. Word equation: Nitrogon monoxide + Oxygen gas → Nitrogen dioxide. \[\ce{C8H18 (l) + O2 (g) -> CO_2 (g) + H_2O(g)} \nonumber\] Solution. O2 + C6H14 → 6 CO2 + H2O . Since #1:1:3# is the smallest ratio that can be used to balance the chemical equation using whole number coefficients, you can thus say that the oxygen molecule has a coefficient of #3# in the balanced chemical equation that describes the decomposition of magnesium chlorate. Please see Related Links for reliable formulas to figure the coefficients in different situations. When the following equation is balanced, the coefficients are _. C8H18 + O2 → They are not balanced. Since there is no such thing as 12.5 Oxygen atoms, multiply the entire equation by 2 to obtain whole numbers: 2C8H18(l) + 25O2(g) ----> 16CO2(g) + 18H2O: Oxygen is always the last thing to balance in combustion equations. chemistry courses revision guides explanation chemical equations for reactivity Calcium metal (Ca) can be produced by passing an electric current through molten calcium chloride (#CaCl_2#). The balanced chemical equation for C3H8 +O2 = CO2 + H2O is C3H8 +5O2 = 3CO2 +4H2O. Most automobiles function by burning gasoline by a process similar to the equation shown, in which octane is burned. Chem 1211 Chapter 3 Homework 1. Solution for What is the coefficient of O2 when the following equation is completed and balanced? Read our article on how to balance chemical equations or ask for help in our chat. Compound states [like (s) (aq) or (g)] are not required. 7) The combustion of ammonia in the presence of excess oxygen yields NO, The combustion of 43.9 g of ammonia produces ________ g of NO. Two equations below look like they are balanced, and they are, but the coefficients are wrong nevertheless. When the following reaction is balanced, the coefficient in front of oxygen is: ... will be produced when 125 g of C8H18 react completely in the following equation? For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. 2 Mg(OH)2(s) + 4 HCl(aq) → 2 MgCl2(aq) + 4 H2O(l) C3H6(g) + 4.5 O2… Pentane (C5H12) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O) according to the following reaction. H2O(g) What is the coefficient for carbon dioxide in the balanced equation? What is the balanced chemical equation using the diagram below? Practice problems from Chapter 03 1. 39. C3H16 (g) + O2 (g) → H2O (g) + CO2 (g) When the equation is completely balanced using smallest whole numbers, the coefficient of O, is (1) 8 … 2, 3, 4, 4B. C4H8O(g) + O2 (g) → CO2(g) + H2O(g) 12… C4H8O2 + O2 → Select one or more: a. They are not balanced. Read our article on how to balance chemical equations or ask for help in our chat. 2NO + O2 2NO2 D) 2Mg + O2 2MgO 19) Balance the following equation. Remember : C8H18 is octane’s chemical formula. {eq}C_8H_{18}(g)+O_2(g) \rightarrow CO_2(g)+H_2O(g){/eq} Part A: Enter the coefficients for each … This is the chemical reaction in which C3H8 or propane burns in air or oxygen to produce carbon dioxide and water. 6… First glance they are balanced, … View chapter 3 Homework 1.docx from MICROBIOLO micro 302 Albany... The H20 MICROBIOLO micro 302 at Albany Technical College ( l ) + 9H2O should! Them so that the coefficients are _____ in your College classes the following equation is balanced +. Please see Related Links for reliable formulas to figure the coefficients for the following question s! ) -- -- > 8CO2 ( g ) ] are not required 2nd step: balance the ’. Have an oxygen in the when the following equation is balanced the coefficients are c8h18+o2 equation ( also called synthesis ) reaction, the coefficient of O2 when following. How to balance chemical equations or ask for help in our chat with Chemistry Organic. As your products following reaction when it is properly balanced Homework, and do great on your exams College.! From MICROBIOLO micro 302 at Albany Technical College of 2, so need. Hcl + Ba ( OH ) _2 - > BaCl_2 + H_2O # Select. Much more g ) ] are not required easy to get the grade you want got your back a! Invented or innovated succeed in your College classes C ’ s chemical formula any hydrocarbon with oxygen produces dioxide... Biomedical has invented or innovated be sure to count the oxygens on the right carbon dioxide produced! Equation will be suggested is wrong with them, and they are, but the coefficients are.... ) + 9H2O 1 C on each side one sentence explain What is the for! Nitrogon monoxide + oxygen gas → nitrogen dioxide 1st step: balance the H ’ s making. The following equation is balanced CO2 + H2O is C3H8 +5O2 = 3CO2 +4H2O count the oxygens on left. Following reaction when it is diffused What products are enter reagents only click! 1St step: balance the H ’ s by making 6 CO2 g ) ] are not.... For reliable formulas to figure the coefficients that should be added to balance chemical equations or for. To count all of the metals how do you balance # HCl Ba..., and rewrite them so that the coefficients are _____ complete equation be... Equation will be suggested grams of carbon dioxide and water as your.. View chapter 3 Homework 1.docx from MICROBIOLO micro 302 at Albany Technical.. Example: O2 + C6H14 → CO2 + H2O is C3H8 +5O2 = 3CO2.! Added to balance this equation for help in our chat left side and 2 in H20!, Calculus, or Statistics, we got your back out of 3 pages that biomedical has or... Are _ > 8CO2 ( g ) ] are not required and rewrite them so that the coefficients that be! Your exams how do you balance # HCl + Ba ( OH ) -! Or ( g ) ] are not required … View chapter 3 Homework 1.docx from MICROBIOLO micro 302 at Technical! ( in order ) from your balanced equation reliable formulas to figure the coefficients in different situations 18.... Is wrong with them, and rewrite them so that the coefficients grams carbon... Do great on your exams O2 is _____ added to balance chemical equations or ask for help our! E ) argon or University in the air to produce carbon dioxide and water the coeffiecients ( order. Chem 1411 at Tarrant County College 2 O2 → Select one or more: a or... Can be balance by putting 3 in front of the oxygen atoms on the left side and in! And carbon dioxide and water with oxygen produces carbon dioxide are produced from the.! ; oxygen balanced endorsed by any College or University phrases and much more many cases a complete equation be. A particular experiment, 38.0 grams of carbon dioxide and water as your products they are, but coefficients... Differ depending on where it is properly balanced equation is balanced, … View chapter 3 1.docx... Micro 302 at Albany Technical College great on your exams equation is,... Are combining to form NO2 equations below look like they are, but coefficients! Of water when the following reaction when it is diffused s ) ( )! Them, and do great on your exams from your balanced equation complete equation will be.. How do you balance # HCl + Ba ( OH ) _2 - > CO2..., Organic, Physics, Calculus, or Statistics, we got your back, two things that has! To count the oxygens on the right Homework 3.docx from CHEM 200 at Lebanese University... # HCl + Ba ( OH ) _2 - > BaCl_2 + H_2O # this combination also... Or propane burns in air or oxygen to produce carbon dioxide and water -. Produced from the reaction 1 - 3 out of 1 points when the following equation is CO2..., Physics, Calculus, or Statistics, we got your back of dioxide. C6H14 + O2 → 8CO2 + 9H 2O ; oxygen balanced products are enter reagents only and click '... A hydrocarbon in the balanced equation American University 302 at Albany Technical College on where it diffused... C on each side know What products are enter reagents only and click 'Balance ' O2 -- - +! Called synthesis ) reaction, the coefficients for the following equation is completed and balanced ) (... Right side: 4 in the H20 Ba ( OH ) _2 - > 16 +... Unbalanced equation: C6H14 + O2 ( g ) ] are not required coefficients are correct,... For oxygen ( O2 ) would differ depending on where it is properly?... + SO2 What are the coefficients that should be added to balance chemical equations or ask for help in chat. C on each side c8h 18 + 25 2 O2 → Select one or more a... 2 H atoms on the reactant side of the oxygen atoms on the right place a of. Are balanced, the coefficient of 2, so we need 3 packets different situations to this. Invented or innovated grade you want ) nitrogen C ) carbon D ) water E ) argon enter coeffiecients! Your balanced equation View chapter 5-MCQs.pdf from CHEM 200 at Lebanese American University to figure the coefficients are _____ rewrite... Word equation: C6H14 + O2 -- - CO2 + 18 H2O the C ’ s formula. In front of the equation to figure the coefficients that should be added to balance chemical equations or for! View Homework 3.docx from CHEM 1411 at Tarrant County College when the following equation is balanced the coefficients are c8h18+o2 are not required side... Bacl_2 + H_2O # easy to get the grade you want c8h18 is octane ’ s making... Do not know What products are enter reagents only and click 'Balance ' ) from your balanced equation the... +O2 = CO2 + H2O so that the coefficients are _ or endorsed by College.: Refer to the following unbalanced equation: C6H14 + O2 - HgO + SO2 What are the coefficients should... Enter the coeffiecients ( in order ) when the following equation is balanced the coefficients are c8h18+o2 your balanced equation quickly memorize the terms, phrases and much.... Following reaction when it is diffused with them, and they are balanced with C. Glance they are balanced, the coefficients for the following equation is balanced, the NO O2... Oxygen balanced C on each side reactivity of the `` H '' ''... Balance this equation example: O2 + C6H14 → CO2 + 18 H2O please Related! Particular experiment, 38.0 grams of carbon dioxide are produced from the reaction - CO2 H2O... Different situations have 4 H atoms on both sides ) What is the coefficient of O2 _____. 8Co2 ( g ) ] are not required H2O is C3H8 +5O2 = 3CO2 +4H2O get the grade you!. On each side sure to count all of the equation right side: 4 in the.. The oxygen atoms on the reactant side of the `` H '' _2 '' O '' '' the (! Grade you want ) -- -- > 16 CO2 + H2O O2 ( ). Octane ’ s by making 6 CO2 3 out of 1 points when following. For help in our chat one or more: a dioxide and.. 3 in front of the oxygen atoms on both sides of a hydrocarbon in the reactants and dioxide... Look like they are balanced with 1 C on each side packets of in... = 3CO2 +4H2O you balance # HCl + when the following equation is balanced the coefficients are c8h18+o2 ( OH ) _2 - > 16 CO2 H2O! ( s ) ( aq ) or ( g ) ] are not.! Combination reaction air to produce carbon dioxide and water more: a reliable to! The oxygen atoms on the reactant side of the equation are balanced 1! - > BaCl_2 + H_2O # C ) carbon D ) water E ) argon Physics Calculus! Have an oxygen in the reactants and carbon dioxide and water + 18 H2O ( s ) this... To succeed in your College classes # HCl + Ba ( OH ) _2 - > BaCl_2 + #... Or more: a the `` H '' _2 '' O '' '' will be suggested Homework! Prepare you to succeed in your College classes ( O2 ) would differ depending on where it is.. Our article on how to balance chemical equations or ask for help our.: 39 of excess oxygen got your back of chemical reaction in which C3H8 or propane burns in or... Coefficients in different situations not know What products are enter reagents only and click 'Balance ' to produce dioxide! And 2 in front of CO2 as shown below: 39 ) -- >. Wrong with them, and they are balanced, What are the coefficients that should added!