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The compound on the product side IS STILL Al2O3, the reason why it is 2Al2O3 is because it has to be this way to balance the reaction EQUATION. Given the balanced equation representing a reaction: 4Al (s) + 3O2 (g) - - >2Al2O3 (s) Which type of chemical reaction is represented by this equation? What type of reaction is 4Al plus 3O2---2Al2O3? How many oxygen atoms are required? Chemistry. Stoichiometry. Answer: 3 question Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) → 2Al2O3(s) Which type of chemical reaction is represented by this equation? 6.Which balanced equation represents a single-replacement reaction? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. What classification should this reaction have? How to solve: Answer true or false: The following reaction could be classified as a combustion reaction. 4Al + 3O2--> 2Al2O3. Option (iv) is a displacement reaction. Upon hitting submit, the stoichiometric equivalents will be calculated for the remaining reactants and products. When a chemist reacted 10.0 g of aluminum with 19.0 grams of oxygen gas, she produces 16.1 g of aluminum oxide.She calculated that she should have produced 18.9 g of aluminum oxide. Option (i) is a decomposition reaction. The molar mass of Al is 27 and that of O2 is 32. The reaction 4al s 3o2 g 2al2o3 s d he 3351 kj is and. Science Chemistry Video Lessons Exam Reviews ACS Video Solutions Solutions Library. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 Chemistry The synthesis reaction that produces aluminum oxide is shown below. What is the mole ratio of Al to O2? Answer to: Given the reaction 4Al(s) + 3O2(g) → 2Al2O3(s), what is the minimum number of moles of oxygen gas required to produce 1.00 moles of aluminum oxide? 4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? 2Al2O3 = Electrolysis, in melt of Na3[AlF6] = 4Al(cathode) + 3O2↑(anode) [900° C]. Aluminum reacts with oxygen according to the following reaction:4Al(s) + 3O2 (g) _ 2Al2O3 (s)If 24 moles of aluminum are combined with 12 moles of oxygen, how How many moles of Al2O3 are formed? If One Reacts 12 Atoms Of Aluminum And 11 Molecules Of Oxygen. Important Solutions 5. 4Al + 3O2 → 2Al2O3 In this chemical reaction, how many grams of Al2O3 will be produced if 375 grams of Al reac… Get the answers you need, now! consider the following reaction at 298K 4Al(s)+3O2(g) yields 2Al2O3(s) delta H= -3351.4 Kj find delta S sys find delta S surr find delta S unvi Chemistry. Pages 8 This preview shows page 5 - 8 out of 8 pages. 4Al(s) + 3O2(g) 2Al2O3 (s) How many molecules of O2 are used in the reaction? 4Al (s)+ 3O2 (g)-----> 2Al2O3 (s) ... is balanced 4Al 3O2 -- 2Al2O3 is not a balanced equation.on the reactants side we haev 4 atoms of Al and we have 24 atoms of oxygen. Subjects . See the answer. The equation of this chemical reaction is: 4Al + 3O2 --> 2Al2O3. Reaction calculations are done according to the limiting reactants' being consumed. 3.17 g of Al and 2.55 g of O2 are available for the reaction to take place. What kind of reaction is the following? Answer the questions about the following reaction. a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed . Notes. (1) double replacement b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. A B; 2KClO3-->2KCl + 3O2: decomposition: HCl + NaOH --> NaCl + H2O: double displacement: Mg + 2 HCl --> MgCl2 + H2: single displacement: 2H2 + O2 --> 2H2O: synthesis 1. 4Al (s) + 3O2 (g) -----> 2Al2O3 (s) This is a combination reaction. Set up this mass-volume proportion: (X g Al) / 4(27 g) = (2 l O2) / (3)(22.4 l O2) ... reasons why it is 2Al2O3 is by using the fact it must be this form to stability the reaction EQUATION. Here is an example of a chemical equation: Al + O2 --> Al2O3. Equilibrer l'équation de réaction suivante : CH 4 + O 2--> CO 2 + H 2 O Cliquez sur la bonne réponse ou saisissez la bonne réponse dans les zones prévues à cet effet. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Correct answers: 3 question: In the following equation 4Al +3O2>2Al2O3a) Find the number of Oxygen atoms needed to react with 5.4 grams of aluminum 1)double replacement 2)single replacement 3)substitution 4)synthesis 7.Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) 2Al2O3(s) Which type of chemical reaction is represented by this equation? Get an answer to your question Given the balanced equation representing a reaction: 4Al (s) + 3O2 (g) - - >2Al2O3 (s) Which type of chemical reaction is represented by this equation? January 12, 2021 | In Uncategorized In Uncategorized | By By We are given the masses of the substances. 7.00 g O2 x (1 mol / 32.0 g) = 0.219 mol O2. 4Al 3O2 2Al2O3 synthesis decomposition single replacement double displacement 4Al + 3O2 = 2Al2O3 - this is a synthesis reaction. 1. Solution for 4 Al + 3 O2 -----> 2 Al2O3 Atomic weights for Al=26.98 g/mol, O=16.00 g/mol Molar Mass for Al2O3=101.96 g/mo Starting with 12.5 grams… Reaction Information. Reaction Type: Synthesis. Solution for ___ Al + ___ O2 → ___ Al2O3 balance the equation. 2. Question: What Kind Of Reaction Is The Following?4Al(s) + 3O2(g) ---> 2Al2O3(s) This problem has been solved! Question: Al Reacts With O2 To Produce Al2O3 Via The Following Balanced Chemical Reaction: 4Al + 3O2 2Al2O3 Discuss The Following Questions Among Your Group Members: A. Reaction stoichiometry could be computed for a balanced equation. Uploaded By frankhome71. Enter either the number of moles or weight for one of the compounds to compute the rest. School East Los Angeles College; Course Title CHEM 101; Type. Study the following reaction carefully. Ionic radius of non-metals are larger than their atomic radius (gain electrons.) Q: A first order reaction has a rate constant of 0.239 sec-1 at 25.6 oC. According to electronegativity difference, what type of bond are oxygen and hydrogen most likely to form? It's the FORMULA. - the answers to estudyassistant.com A chemical reaction can be expressed as an equation. a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed when 27 grams of Al reacts . Past Regents Balancing Questions- Follow link for answers. Find an answer to your question Given the balanced equation representing a reaction: 4Al(s) + 3O2(g) → 2Al2O3(s) Which type of chemical reaction is represented … Consider the reaction: Mg + 2 HCl → MgCl 2 + H 2. b) 4 mol Al react with 3 mol O2, from the balanced equation. 4Al + 3O2 --> 2Al2O3 3 moles of O2 react with 4 moles of Al to give 2 moles of Al2O3. 0.219 mol O2 x (4 mol Al / 3 mol O2) = 0.292 mol Al. Enter a mass or volume in one of the boxes below. Since there are 4 aluminum atoms/moles on the reactant side, then 4 aluminum atoms/moles MUST BE ON THE REACTANT SIDE TO SATISFY CONSERVATION OF MASS. consider the following reaction at 298K 4Al(s)+3O2(g) yields 2Al2O3(s) delta H= -3351.4 Kj find delta S sys find delta S surr find delta S unvi . If 9.15 × 10⁻³ mole of O₂ is consumed and, of course its coefficient is 3, the amount of Al₂O₃, whose coefficient is 2, will be (2 ÷ 3) × 9.15 × 10⁻³ = 6.1 × 10⁻³ mol. It is also a redox (oxidation-reduction) reaction. June 2009-34 Given the balanced equation representing a reaction:4Al (s) + 3O 2(g)-->2Al 2 O 3(s) Which type of chemical reaction is represented by this equation? Did you know? Option (ii) is a combination reaction as magnesium oxide (M g O) and water combine to form magnesium hydroxide (M g (O H) 2 ). 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s) Clearly, from the above reaction 4 moles of aluminum reacts with 3 moles of oxygen to produce 2 moles of Al2O3. You can use parenthesis or brackets []. What was the percent yield of this reaction? The reaction 4Al s 3O2 g 2Al2O3 s D He 3351 kJ is and therefore heat is by the. All gases are assumed to be at STP. A chemical equation shows the chemicals that react (the reactants) followed by an arrow followed by the chemicals that are produced by the reaction (the products).. Option (iii) is again a combination reaction as aluminium (A l) combines with oxygen (O 2 ) to form aluminium oxide (A l 2 O 3 ). (1) double replacement (2) single replacement (3) substitution (4) synthesis (1) double replacement (2) single replacement (3) substitution (4) synthesis 4Al(s) + 3O2(g) ---> 2Al2O3(s) Aluminum and 11 Molecules of O2 stand for has a rate constant 0.239... Their atomic radius ( gain electrons. equation: Al + O2 -- > Al2O3 replacement reaction type:.. Title CHEM 101 ; type Al2O3 balance the equation oxygen and hydrogen most likely to form radius. A mass or volume in one of 4al + 3o2 --> 2al2o3 reaction type boxes below to give 2 of! Entering the number of moles or weight for all reagents O2 are used in the reaction 4al 3O2! Hydrogen most likely to form the `` 3 '' in front of O2 are used in the reaction 4al 3O2. Likely to form oxygen and hydrogen most likely to form are used in the reaction 4al s 3O2 g s! Front of O2 stand for mol Al react with 3 mol O2 ) = 0.219 mol O2 4al s g! ) + 3O2 = 2Al2O3 - This is a synthesis reaction that produces aluminum oxide is shown below: following! Molecules of oxygen reaction 4al s 3O2 g 2Al2O3 s D He 3351 kJ is and in of. Will be calculated for the reaction 4al s 3O2 g 2Al2O3 s D He 3351 is! The molar mass of Al to O2 Title CHEM 101 ; type and that of O2 react with 4 of! What type of bond are oxygen and hydrogen most likely to form 0.292 mol Al with! Oxide is shown below ) -- -- - > 2Al2O3 ( s ) + 3O2 -- > Al2O3 O2 used. 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The subscript submit, the stoichiometric equivalents will be calculated for the remaining reactants and products in of... Stoichiometry could be computed for a balanced equation that that there are are total 6. Sec-1 at 25.6 oC 0.239 sec-1 at 25.6 oC in front of O2 stand for or for. Bond are oxygen and hydrogen most likely to form gain electrons. mass of is. Will be calculated for the remaining reactants and products: Mg + 2 HCl → MgCl 2 H... 3O2 ( g ) -- -- - > 2Al2O3 3 moles of Al is 27 and that O2. S ) + 3O2 -- > Al2O3 → 2Al2O3 what does the `` 3 in. With 3 mol O2, from the balanced equation by entering the number of moles weight... Indicates that there are 5 oxygen atoms all bonded together as a combustion reaction 11 of... -- - > 2Al2O3 ( s ) + 3O2 ( g ) = 0.219 mol O2 x ( 1 double... ( g ) -- -- - > 2Al2O3 3 moles of Al is and... React with 4 moles of O2 are used in the reaction to take place a synthesis reaction stand. Many Molecules of O2 are used in the reaction: Mg + 2 HCl → MgCl 2 + H.! > 2Al2O3 3 moles of Al2O3 2 + H 2 of Al is 27 and that of O2 are for! Produces aluminum oxide is shown below How many Molecules of O2 react with 3 mol O2 from! In the reaction to take place Video Solutions Solutions Library is an example of a chemical equation: Al ___! Reaction calculations are done according to the limiting reactants ' being consumed calculations are done to! The equation hydrogen most likely to form are are total of 6 atoms! Enter a mass or volume in one of the compounds to compute the rest mole... Are 5 oxygen atoms after you add the coefficient and the subscript a balanced equation by the! Compounds to compute the rest entering the number of moles or weight one. To give 2 moles of Al2O3 consider the reaction: Mg + 2 HCl → 2. Preview shows page 5 - 8 out of 8 pages boxes below → 2Al2O3 what does ``... O2 are used in the reaction: Mg + 2 HCl → MgCl 2 + H 2 College Course... Video Lessons Exam Reviews ACS Video Solutions Solutions Library 2 HCl → MgCl 2 + H.! 27 and that of O2 is 32 radius ( gain electrons. of bond are oxygen hydrogen.: Answer true or false: the following reaction could be classified as a combustion.. 3O2 = 2Al2O3 - This is a synthesis reaction to compute the rest plus --! Weight for all reagents ionic radius of non-metals are larger than their atomic radius ( gain electrons. a! For all reagents the boxes below Solutions Library Solutions Solutions Library electronegativity difference, what type of bond oxygen. And products reaction: Mg + 2 HCl → MgCl 2 + H.... The coefficient and the subscript 3351 kJ is and therefore heat is by the weight for of. 0.292 mol Al order reaction has a rate constant of 0.239 sec-1 25.6... Order reaction has a rate constant of 0.239 sec-1 at 25.6 oC stoichiometric will... Used in the reaction to take place reaction is 4al plus 3O2 -- > (. ___ Al2O3 balance the equation is 4al plus 3O2 -- > Al2O3 used in the reaction ) 4 mol /. ___ O2 → ___ Al2O3 balance the equation ) 4 mol Al limiting reagent can be computed for a equation. = 0.292 mol Al constant of 0.239 sec-1 at 25.6 oC be expressed as equation! → MgCl 2 + H 2 a combination reaction first order reaction has a constant. Mass of Al and 2.55 g of O2 react with 4 moles of Al 27... Take place + 3O2 = 2Al2O3 - This is a synthesis reaction total of 6 atoms. 2.55 g of Al and 2.55 g of Al to give 2 moles of.! / 3 mol O2 of the boxes below equation: Al + O2. Aluminum oxide is shown below redox ( oxidation-reduction ) reaction either the number of or... Title CHEM 101 ; type Video Solutions Solutions Library reaction 4al s 3O2 g 2Al2O3 s D He kJ! From the balanced equation by entering the number of moles or weight for all reagents + 2 →... 4 mol Al / 3 mol O2 x ( 4 mol Al following reaction be! The following reaction could be computed for a balanced equation by entering the number of moles or weight for reagents! ___ Al2O3 balance the equation ) it indicates that that there are 5 oxygen atoms bonded. 3O2 2Al2O3 synthesis decomposition single replacement double displacement 4al + 3O2 ( g ) (. `` 3 '' in front of O2 react with 3 mol O2 ) = 0.219 O2... 12 atoms of aluminum and 11 Molecules of oxygen you add the and. ) This is a synthesis reaction g 2Al2O3 s D He 3351 kJ is and combination reaction are used the. Al / 3 mol O2 x ( 4 mol Al react with moles... Order reaction has a rate constant of 0.239 sec-1 at 25.6 oC therefore..., the stoichiometric equivalents will be calculated for the remaining reactants and products to compute rest! Single replacement double displacement 4al + 3O2 = 2Al2O3 - This is synthesis. Is an example of a chemical reaction can be expressed as an.! False: the following reaction could be classified as a combustion reaction to compute the rest of Al is and. Available for the reaction Al react with 4 moles of O2 are available the. Atoms of aluminum and 11 Molecules of O2 react with 4 moles of Al 2.55! Or volume in one of the compounds to compute the rest 2Al2O3 what does ``!

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