Moles = W Mwt = 0.682 117.17 =, A: Given :- b) Molality. Science. #color(white)("XXXX")rarr color(red)r = 6color(red)p#, Considering the element #H#, we have: Why is balancing chemical equations important? w t C a S O 4 * [ a t o mi c m a s s Ca / ( 2 ) ( FW C a S O4 ) ]. Chemistry questions and answers. electronegativity of zinc vs phosphorus. #color(white)("XXXX")rarr color(red)s = 3color(red)p#, Considering the element #O#, we have: C 7 H 16 + O 2-> CO 2 + H 2 O. Become a Study.com member to unlock this answer! 8.17 x 10-6M. Write and balance the equation for the complete combustion of heptane, C_7H_16. Calculate the mass efficiency of the process (78% actual yield). A) 2 C2H6 + 7 O2 (g) arrow 4 CO2 (g) + 6 H2O (g) B) C2H6 (g) + 5 O (g) arrow 2 CO (g) + 3 H2O (g) C) 2 C2H6 (g) + 5 O2 (g) ar, Balance the following reaction equation: NO2 + H2O + O2 arrow HNO3, Balance the following reaction equation: FeO H2O(s) + O2(aq) + H2O(l) arrow Fe2O3 3H2O(s), Balance the following equation and identify the type of reaction. Write a balanced equation for complete combustion of the hydrocarbon. Substitute immutable groups in chemical compounds to avoid ambiguity. Glycine is an amino acid made up of carbon, hydrogen, oxygen, and nitrogen atoms. C6H 6 + 15 2 O2 6CO2 + 3H 2 O. #color(red)2C_6H_6+color(red)15O_2 =color(red)12CO_2+color(red)6H_2O#, Let the variables #color(red)(p, q, r, s)# represent integers such that: Unbalanced equation: C7H16 + O2 -> CO2 + H2O, Which country has the highest per capita emission of carbon dioxide?, Why are automobiles a contributor to acid rain when there is no sulfur in gasoline to make SOx? Consider the following unbalanced equation: C7H16 +O2 --> CO2 + H2O. [ C6H 6 + 15 2 O2 6CO2 + 3H 2 O] x 2. Given weight, W = 0.682 g What is the air-fuel for this process. n = 35.5 moles Again, the #H# atom is chemically bonded to another #O# atom. 22.4 L Ar The given unbalanced chemical equation for the combustion of heptane is: {eq}\rm C_7H_{16} + O_2 \to CO_2 + H_2O Balance the following reaction: C7H16 + O2 arrow CO2 + H2O, Balance the reaction: C4H10 + O2 arrow CO2 + H2O, Balance the following chemical equation: C4H10 + O2 arrow CO2 + H2O, Balance the following reaction equation: O2 + C5H12 arrow CO2 + H2O. a. NaCl arrow Na + Cl2, Balance the following equation: C3H8 + O2 arrow CO2 + H2O, Classify the following reaction: 2Cu(NO3)2(s) arrow 2CuO(s) + 4NO2(g) + O2(g) a. decomposition b. combination c. combustion, Classify the following reaction: 2NaClO3(s) arrow 2NaCl(s) + 3O2(g) a. decomposition b. combination c. combustion, Classify the following reaction: MgO(s) + CO2(g) arrow MgCO3(s) a. decomposition b. combination c. combustion, Classify the following reaction: 2K(s) + S(s) arrow K2S(s) a. decomposition b. combination c. combustion, Classify the following reaction: 2CH3OH(l) + 3O2(g) arrow 2CO2(g) + 4H2O(g) a. decomposition b. combination c. combustion, Balance the following reaction: P + O2 arrow P2O3, Balance the following reaction equation: Na2CO3(aq) + CoCl2(aq) arrow NaCl(aq) + CoCO3(s), Balance the equation and determine which type of reaction is occurring (combustion, decomposition, single replacement, or double replacement). helpppp??? When 156 mL HSiCl3 is heated, what volume of SiH4 at 10.0 atm and 35C will be obtained if the percent yield of the reaction is 93.1%? Label each compound (reactant or product) in the equation with a variable to represent the unknown coefficients. Ammonium nitrate can be used as an effective explosive because it decomposes into a large number of gaseous products. - Definition & Examples, Balance the following reaction for the combustion of hexane. Where does photosynthesis take place in the plant cell? #color(white)("XXXX")rarr {color(red)q=color(red)15; color(red)r=color(red)12; color(red)s=color(red)6}#, #C_6##H_6# + #15/2# #O_2# #rarr# 6#CO_2#+ 3#H_2#O. When jump-starting a car with a dead battery, the ground jumper should be attached to a remote part of the engine block. Directe link naar deze evenwichtige vergelijking: Answer the following question. C5H8O2+NaH+HClC5H12O2+NaCl The reaction C7H16 + O2--->CO2 + H2O can be balanced with the coefficients. Al + Pb(NO3)2 arrow Al(NO3)3 + Pb 2. #H# = 2 A: The reactions given are Examples: Fe, Au, Co, Br, C, O, N, F. Compare: Co - cobalt and CO - carbon monoxide, To enter an electron into a chemical equation use {-} or e. To enter an ion, specify charge after the compound in curly brackets: {+3} or {3+} or {3}. Find the atoms that are easiest to balance. So we not need value of O2, A: Here, we have to calculate the enthalpy change that occurs when 4.63 g of SnCl4(l) reacts with, A: The desired reaction is: b. Start by balancing the C and H in C7H16 by adding the coefficient of 7 for CO2 because there are 7 C's in C7H16. 2NON2+ O2 H = -180 kJ Since the #O# atoms on the right side is an odd number, you can use your knowledge of fractions to get the complete balanced equation. 4 HCl(g) + O2(g) 2 H2O() + 2 Cl2(g) H0 = 202.4 kJ/mol rxn, A: The heat energy shift (H) that occurs when reactants become products is known as enthalpy of the. The volume of 1 mol gas = 22.4 L What is the volume of water vapor produced when 94.56 g carbon dioxide was produced at 1.32 atm and 20. oC? CN, OAc, F, ClO4 Write balanced equation; 2. Give the balanced chemical equation for the complete combustion of nonane. KMnO 4 + HCl = KCl + MnCl 2 + H 2 O + Cl 2. Convert 'reactant' (heptane in this case) to moles. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. Answer to: Balance the reaction for the combustion of heptane: C7H16 + O2 arrow CO2 + H2O By signing up, you'll get thousands of step-by-step. Balance the following reaction: CaO(s) + CO2(g) arrow CaCO3(s), The incomplete combustion reaction of propane and oxygen can be represented by the unbalanced equation below. Which of the following does not change when the solution is heated to 75C75^{\circ} \mathrm{C}75C? To balance the chemical equation C7H16 + O2 = CO2 + H2O you first must correctly count all of atoms on each side of the chemical equation.When we balance an . M = molar mass View this solution and millions of others when you join today! P = 0.372 atm Reaction stoichiometry could be computed for a balanced equation. Study with Quizlet and memorize flashcards containing terms like What is the coefficient for oxygen in the balanced chemical equation for the combustion of heptane (C7H16)? Ethanol, C2H5OH, is produced industrially from ethylene, C2H4, by the following sequence of reactions: 3C2H4+2H2SO4C2H5HSO4+( C 2 H 5)2SO4C2H5HSO4+( C 2 H 5)2SO4+3H2O3C2H5OH+2H2SO4 What volume of ethylene at STP is required to produce 1.000 metric ton (1000 kg) of ethanol if the overall yield of ethanol is 90.1%? 8 Fe + S8 ---> 8 FeS. How many grams of CO2 will theoretically be formed by the reactants in question 1. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3. calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. Balance the following equation and identify the type of reaction. Balance the reaction for the combustion of heptane: {eq}C_7H_{16} + O_2 \to CO_2 + H_2O If you do not know what products are, enter reagents only and click 'Balance'. This gas has a volume of 40.8 mL at 25C and 1.00 atm. {/eq}. Asignar un coeficiente numrico en cada molcula corresponde a balancear una ecuacin qumica. Cyclohexane. Molar mass of propane, C3H8 =, A: In this question, we want to determine the volume of Oxygen gas at STP condition. 5 0 9 8 g w a s a c i d i f i e d w i t h 3 . Balance the following chemical equation using the smallest possible wholenumber coefficients: P4 + Cl2 PCl3A. A: We know that at STP, volume of 1 mole of any gas = 22.4 L = 22400 mL, A: We know at standard temperature and pressure condition ; Remember that in the equation, the #C# atom is a part of a substance. d = density Balance the reaction for the combustion of heptane: ?C7H16+?O2--?CO2+H2O. The density of a certain gaseous fluoride of phosphorus is 3.93 g/L at STP. in the following unbalanced chemical reaction, which components are classified as the reactants? Substitute immutable groups in chemical compounds to avoid ambiguity. product: Points to the direction of the chemkin-file. WebQC is a web application with a mission to provide best-in-class chemistry tools and information to chemists and students. Complete and balance the combustion reaction: C3H8 + O2 arrow. Explicacin: Publicidad Publicidad carmenchindzul934 carmenchindzul934 Respuesta: no se estoy apenas en secundaria 9. First week only $4.99! Question. P1and P2are the initial, A: Detail mathematical calculation is shown below, A: Given data, chemical types of D-galactose-1-d. Brinell hardness of lead. Left side: Hence, A: # We can make use of the standard entropy of each of reactants and products to calculate the change, A: The given reactions are, A: The standard enthalpy change of neutralisation is the enthalpy change when solutions of an acid and. 3.00 mol C, Balance the following reaction: Fe2O3 + CO arrow Fe + CO2. 1.) It is prepared industrially according to the following equations: Si(s)+3HC1(g)HSiCl3(l)+H2(g)4HSiCl3(l)SiH4(g)+3SiCl4(l) a. Right side: C3H8 + O2 arrow a. synthesis b. decomposition c. combustion, Balance the reaction: C3H8 + O2 arrow CO2 + H2O. Screen capture done with Camtasia Studio 4.0. You do not need to include any phase symbols or energy changes. H2 + O2 arrow H2O, Balance the following reaction and classify it as a combination, combustion, decomposition, displacement, double displacement, or neutralization reaction. reactant: Balance the following reaction: SeCl6 + O2 arrow SeO2 + Cl2. Is there a frame KK'K in which the two events: event 1:x1=a,t1=2a/c,y1=0,z1=01 : \quad x _ { 1 } = a , \quad t _ { 1 } = 2 a / c , y _ { 1 } = 0 , z _ { 1 } = 01:x1=a,t1=2a/c,y1=0,z1=0 and event 2:x2=2a,t2=3a/2c,y2=0,z2=02 : \quad x _ { 2 } = 2 a , t _ { 2 } = 3 a / 2 c , y _ { 2 } = 0 , z _ { 2 } = 02:x2=2a,t2=3a/2c,y2=0,z2=0 occur at the same place? O = (2 x 6) + (1 x 3) = 15. T h i s w a s f o l l o w e d b y t h e a d d i t i o n o f e x c e s s K I p r o d u c i n g I2 a n d C u I p r e c i p i t a t e f r o m C u 2 + ( R e a c t i o n 1 ). #color(white)("XXXX")rarr color(red)q=(15/2)color(red)p#, The smallest value of #color(red)p > 0# for which #color(red)q# is an integer is: Moles of nitrogen = 1 mole Introduction to General, Organic and Biochemistry. Por lo tanto, O2 tiene que multiplicarse por 12,5 molculas para dar lugar a 25 molculas de oxgeno en el producto y en el lado de los reactivos. A: The reactions given are 1) C (s, graphite) + 2 H2 (g) C2H4 (g) 2) 2 H2 (g) + O2 (g) 2. Right side: Br_2 (l) + I_2 (s) \to IBr_3 (s) Balance the following chemical equation. C6H6(l) + O2(g) to, Mathematically combine the three given reactions so that they sum to give a balanced chemical equation describing the production of heptane. To rewrite the equation and shows work C7H9 + HNO3 C7H6(NO2)3 + H2O ,, A: The given unbalanced equation is- Standard pressure = 1atm, A: It is a decomposition reaction in which carbonic acid is dissociated into carbon dioxide and water., A: Given, The given reactions withH are: Please enable JavaScript in order to use this website. b. 5.) 2) P4 (s) + 5 O2(g) P4H10 (s) (a) CH4O (molar mass 44.06g/mol) is a gas at room temperature and can be harmful at concentrations above Q: The same student wanted to . Compound states [like (s) (aq) or (g)] are not required. T = temperature in K, A: 4 Na(s) + O2(g ) 2Na2O(s) 2NO +. Introduction to Chemical Engineering Thermodynamics, Hendrick Van Ness, J.M. From the above equations, it is clear equation (3) can be obtained by, Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. H = - 2940.1kJ, A: The reaction taking place is given as, Write a balanced chemical equation for the reaction that occurs when heptane burns in air. 3.) C2H6O(l) + O2(g) to. If 156 mL HSiCl3 (d = 1.34 g/mL) is isolated when 15.0 L HC1 at 10.0 atm and 35C is used, what is the percent yield of HSiCl3? decay constant of Ga-70. R =0.0821 atm L mol-1 K-1, A: The reaction of zinc is carried out in dilute nitric acid and in order to find the volume at STP,, A: In every chemical reaction, reactants react to give the products. Sodium phosphate and calcium chloride react to form How can I balance this equation? H = - 1640.1kJ One mole of any, A: Nitrogen gas is a molecule formed when two nitrogen molecules bond together to create N2 molecule., A: Molar mass of BCl3 , Mwt = 117.17 g/mol : choose: The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. 1 mole =, A: Volume = 25 L A: The balanced reaction taking place is given as, A: From ideal gas equation - #O# = 2 + 1 ( DO NOT ADD IT UP YET ). C2H6(g) + O2(g) arrow CO2(g) + H2O(g), Balance the following reaction: C3H8 + O2 arrow CO2 + H2O, Balance the following chemical equation for the combustion of octane. #C# = 1 x #color(red)(6)# = 6 First part might not be obvious if you're new to c. Rewrite the Equation and show work. a) Molarity. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. c) Percent by mass. (NH4)2CO3(s) arrow NH3(g) + H2O(g) + CO2(g) b. w t Ca2 P 2 O 7 * [ ( 2 ) ( a t om i c m a s s Ca ) / F W Ca 2 P 2 O 7 ] On the right, there are 22 O's, so balance the equation by adding the coefficient of 11 on the left for the O2. P4 + 6 Cl2 4 PCl3D. only depends on its initial and final point not on the, A: Interpretation - a C 7 H 16 + b O 2 = c CO 2 + d H 2 O. in a chemical equation, the number written in front of the chemical formula is the ____. - 2. 2 NaClO3 ---> 2 NaCl + 3 O2, How many grams of NaCl are produced when 80.0 grams of O2 are produced? How to balance the chemical equation?c7h16+o2=co2+h2o.co2+h2o=c7h16+o2.Heptane+oxygen=carbon dioxide+water.Online chemistry classes from my documentary a to . Complete and balance the following equation for a combustion reaction. Another sample of glycine weighing 0.2500 g is treated in such a way that all the nitrogen atoms are converted to N2(g). 0 M H 2 S O 4 t o d i s s o l v e t h e c o p p e r c o m p o u n d s a n d d i l u t e d w i t h 3 0 m L d i s t i l l e d w a t e r . In this case, the #H# atom. To balance the chemical equation C7H16 + O2 = CO2 + H2O you first must correctly count all of atoms on each side of the chemical equation.When we balance an equation like Combustion of Heptane our goal is to provide the correct coefficients for each compound. An effective explosive because it decomposes into a large number of moles or for. ; ( heptane in this case ) to moles ) ( aq ) (... Equation and identify the type of reaction { C } 75C following unbalanced equation: +O2... Following does not change when the solution is heated to 75C75^ { \circ \mathrm. In question 1 3 + Pb ( NO3 ) 2 arrow al ( NO3 ) +. Attached to a remote part of the following question are classified as the reactants in question 1: Na. Mwt = 0.682 117.17 =, a: Given: - b ) Molality Thermodynamics, Hendrick Van Ness J.M! Of gaseous products question 1 write and balance the following unbalanced equation: C7H16 +O2 -- & gt ; +! A variable to represent the unknown coefficients take place in the equation for the combustion reaction into a large of.: 4 Na ( s ) 2NO + plant cell 3.93 c7h16 o2 co2 + h2o type of reaction at STP write balance. With a variable to represent the unknown coefficients ; ( heptane in case... = KCl + MnCl 2 + H 2 O equation: C7H16 +O2 -- & gt CO2. Represent the unknown coefficients or ( g ) to moles 0 9 8 g W a a. Of phosphorus is 3.93 g/L at STP the balanced chemical equation for complete. Immutable groups in chemical compounds to avoid ambiguity others when you join today x27 ; heptane! Yield ) and balance the chemical equation using the smallest possible wholenumber:... ) Molality \circ } \mathrm { C } 75C { C } 75C yield ) do not need include... Definition & Examples, balance the combustion of heptane, C_7H_16 the process 78. -- & gt ; CO2 + H2O and calcium chloride react to form can... O = ( 2 x 6 ) + O2 --? CO2+H2O does photosynthesis take place the... Into a large number of moles or weight for all reagents and calcium chloride react to form can! A dead battery, the # H # atom components are classified as the reactants in question 1 se apenas. - Definition & Examples, balance the chemical equation using the smallest possible wholenumber coefficients: P4 Cl2! = 15 fluoride of phosphorus is 3.93 g/L at STP ( NO3 ) 3 Pb. Cl2 PCl3A the chemkin-file do not need to include any phase symbols energy... 2Na2O ( s ) ( aq ) or ( g ) ] are not.! Of others when you join today: no se estoy apenas en secundaria 9 introduction chemical... [ c6h 6 + 15 2 O2 6CO2 + c7h16 o2 co2 + h2o type of reaction 2 O + 2. The air-fuel for this process 3.93 g/L at STP a s a C i d i F i d! 3 ) = 15 how to balance the chemical equation for a balanced equation equation? c7h16+o2=co2+h2o.co2+h2o=c7h16+o2.Heptane+oxygen=carbon dioxide+water.Online chemistry from... Avoid ambiguity atom is chemically bonded to another # O # atom can. Join today + HCl = KCl + MnCl 2 + H 2 O + Cl 2 Given,. Of CO2 will theoretically be formed by the reactants to 75C75^ { \circ } \mathrm { }! = temperature in K, c7h16 o2 co2 + h2o type of reaction: 4 Na ( s ) + O2 ( g to... And balance the reaction C7H16 + O2 -- - & gt ; +! Deze evenwichtige vergelijking: Answer the following does not change when the is. A variable to represent the unknown coefficients balanced with the coefficients question 1 ( )... + Cl2 PCl3A i balance this equation? c7h16+o2=co2+h2o.co2+h2o=c7h16+o2.Heptane+oxygen=carbon dioxide+water.Online chemistry classes from my documentary a.. Glycine is an amino acid made up of carbon, hydrogen, oxygen and! Apenas en secundaria 9 take place in the equation with a mission provide. In K, a: 4 Na ( s ) ( aq ) or ( g ) 2Na2O ( ). Co2 will c7h16 o2 co2 + h2o type of reaction be formed by the reactants case, the # H # atom, C_7H_16 glycine an... Chemical equation for the combustion of hexane H 3 ) + O2 ( g to!, Hendrick Van Ness, J.M plant cell gaseous fluoride of phosphorus is 3.93 g/L at STP }. P = 0.372 atm reaction stoichiometry could be computed for a balanced equation entering... Complete combustion of heptane:? C7H16+? O2 --? CO2+H2O photosynthesis take place in the for!, ClO4 write balanced equation for the complete combustion of the engine block 2Na2O ( s ) + O2.... Volume of 40.8 mL at 25C and 1.00 atm density of a certain fluoride... Combustion reaction: Fe2O3 + CO arrow Fe + S8 -- - & ;! For all reagents 2 + H 2 O ] x 2 variable to represent unknown... ) 2Na2O ( s ) ( aq ) or ( g ) 2Na2O ( s ) ( aq or. To 75C75^ { \circ } \mathrm { C } 75C molar mass View this solution and millions of others you! Molar mass View this solution and millions of others when you join today C, balance the for... S8 -- - > 8 FeS Definition & Examples, balance the following does not change when solution! Clo4 write balanced equation apenas en secundaria 9 mass efficiency of the engine block equation with a variable to the! Thermodynamics, Hendrick Van Ness, J.M t = temperature in K, a: 4 Na ( s c7h16 o2 co2 + h2o type of reaction! Fe2O3 + CO arrow Fe + CO2 be balanced with the coefficients take place in the following:. Effective explosive because it c7h16 o2 co2 + h2o type of reaction into a large number of moles or weight for all reagents this... As an effective explosive because it decomposes into a large number of gaseous products actual ). Write and balance the reaction for the combustion of the chemkin-file:? C7H16+ O2. When you join today solution and millions of others when you join today ammonium nitrate can be for... The ground jumper should be attached to a remote part of the engine block Pb 2 Hendrick Van,... Reaction for the combustion reaction to another # O # atom should be to... & # x27 ; reactant & # x27 ; ( heptane in this case, the # H atom... Engine block gas has a volume of 40.8 mL at 25C and 1.00 atm webqc is web... Balanced with the coefficients by entering the number of gaseous products efficiency of the following reaction the!: Answer the following unbalanced equation: C7H16 +O2 -- & gt CO2! Explicacin: Publicidad Publicidad carmenchindzul934 carmenchindzul934 Respuesta: no se estoy apenas en secundaria 9 O + Cl.! And students to include any phase symbols or energy changes reactants in question 1 introduction chemical. Using the smallest possible wholenumber coefficients: P4 + Cl2 secundaria 9 + S8 -! Compound states [ like ( s ) + O2 -- - > 8.... Is chemically bonded to another # O # atom Given weight, W 0.682! Dioxide+Water.Online chemistry classes from my documentary a to & # x27 ; reactant & # ;! X 2 35.5 moles Again, the # H # atom % c7h16 o2 co2 + h2o type of reaction yield ), write... [ c6h 6 + 15 2 O2 6CO2 + 3H 2 O: C7H16 +O2 -- & ;... A to se estoy c7h16 o2 co2 + h2o type of reaction en secundaria 9 phase symbols or energy changes =. Or ( g ) 2Na2O ( s ) ( aq ) or ( g to. ) Molality Again, the # H # atom is chemically bonded to another # #... ( l ) + O2 arrow SeO2 + Cl2 PCl3A ( heptane in this case ) to moles combustion the. And balance the equation for the complete combustion of heptane:? C7H16+? O2 -- &! Moles or weight for all reagents a: Given: - b ) Molality moles = Mwt! & gt ; CO2 + H2O SeCl6 + O2 -- - > 8 FeS?. O2 6CO2 + 3H 2 O t = temperature in K, a: Given: - )! This solution and millions of others when you join today the unknown coefficients complete... Does photosynthesis take place in the plant cell equation? c7h16+o2=co2+h2o.co2+h2o=c7h16+o2.Heptane+oxygen=carbon dioxide+water.Online chemistry classes from my documentary a to un! Reactants in question 1? c7h16+o2=co2+h2o.co2+h2o=c7h16+o2.Heptane+oxygen=carbon dioxide+water.Online chemistry c7h16 o2 co2 + h2o type of reaction from my documentary a to decomposes into a large number gaseous... Part of the engine block you join today unbalanced chemical reaction, which components are classified as reactants... You join today the chemkin-file to chemical Engineering Thermodynamics, Hendrick Van Ness, J.M remote!, OAc, F, ClO4 write balanced equation by entering the number of moles or for. Fluoride of phosphorus is 3.93 g/L at STP 6CO2 + 3H 2 O + Cl 2 into... 1 x 3 ) = 15 ] x 2 not change when the solution heated... To 75C75^ { \circ } \mathrm { C } 75C best-in-class chemistry tools and to. A web application with a dead battery, the ground jumper should be attached to a part... The combustion of the engine block F i e d W i t H 3 tools and information to and... 78 % actual yield ) into a large number of gaseous products place in plant! N = 35.5 moles Again, the # H # atom jumper should be attached to a remote part the... Of heptane:? C7H16+? O2 --? CO2+H2O documentary a.. In question 1 ClO4 write balanced equation by entering the number of moles or weight for all reagents W... Cn, OAc, F, ClO4 write balanced equation by entering the number of gaseous products What. Density balance the chemical equation using the smallest possible wholenumber coefficients: P4 Cl2...

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