Given the equation 4Al + 3O2 -> 2Al2O3 , which reactant is limiting if 0.32 mol Al and 0.26 mol O2 are availiable? Trending Questions. 4Al + 3O2 -> 2Al2O3. Lv 7. 4Al+3O2--->2Al2O3 A) what is the theoretical yield of aluminum oxide if 3.60 mol of aluminum metal is exposed to 3.00 mop of oxygen? 4Al + 3O2 → 2Al2O3 | Cân bằng phương trình hóa học | Phương trình hóa học - Tổng hợp toàn bộ phương trình hóa học, phản ứng hóa học có đủ điều kiện phản ứng và đã cân bằng của tất cả các đơn chất, hợp chất hóa học trong chương trình Hóa học cấp 2, 3 giúp bạn học tốt môn Hóa hơn. Get your answers by asking now. 9 years ago. 6 O's on the left side. 4Al(s) + 3O2(g) 2Al2O3 (s) How many molecules of O2 are used in the reaction? v = 1.46moles x 0.0821L-atm/mole-K x 294K / 1.01atm = 34.89L 2. because oxygen does not exist as monoatomic in normal conditions . B) exothermic, absorbed . How many moles of Al2O3 are formed? 1.95moles Al x (3 O2 / 4Al) = 1.46moles O2 required. 4 years ago. Can someone help me understand why Al is the limiting reactant here? The reaction 4Al(s) + 3O2 (g) > 2Al2O3 (s) deltaH° = -3351 kJ is _____, and therefore heat is _____ by the reaction. 2 1. Still have questions? 4 Al's on the right side. 4al (s) + 3o2 (g) ® 2al2o3 (s) balanced a mixture of 82.49 g of aluminum ( = 26.98 g/mol) and 117.65 g of oxygen ( = 32.00 g/mol) is allowed to react. Los átomos de aluminio y oxígeno son : 2.408*10²⁴ átomos de Al y 3.612*1024 átomos O . 1 Answer Mr. Mike it is diatomic. Apparently the limiting reactant is Al, but I don't understand why. what mass of aluminum oxide ( = When delta H (change in enthalpy) is negative, the reaction is exothermic. Join Yahoo Answers and get 100 points today. 6 O's on the left side. How many oxygen atoms are required? Answer Save. Calculate the percent yield if the actual yield of aluminum oxide is 0.975 mol. Aluminum oxide (used as an adsorbent or a catalyst for organic reactions) forms when aluminum reacts with oxygen. Let me know if you need help with any other equations. In the following equation 4Al +3O2>2Al2O3 a) Find the number of Oxygen atoms needed to react with 5.4 grams of aluminum E) thermoneutral, neither released nor absorbed. navarretebrandon116 navarretebrandon116 Yes it is and I believe the comment above me is correct Relevance. 4Al(s) + 3O2(g) >>>>> 2Al2O3(s) 1 1. 1. Join. 1 Answer. This is balanced! B) we saw that the theoretical aluminum oxide is 1.50 mol. 4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? v = nrt/p. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. 4Al (s) + 3O2 (g) ¬ 2Al2O3 (s) A) exothermic, released . thank you so much!!!! What is the mole ratio of Al to O2? Los átomos de aluminio y oxígeno se calculan mediante la aplicación de los factores de conversión correspondientes basados en los átomos contenidos en un mol de un elemento, de la siguiente manera : 4Al + 3O2 → 2Al2O3 Trending Questions. Ask Question + 100. C) endothermic, released . a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. Anthony. Answer the questions about the following reaction. Arnab. 52.7g Al / 27g/mole = 1.95moles Al. D) endothermic, absorbed. Chemistry. According to electronegativity difference, what type of bond are oxygen and hydrogen most likely to form? 4 Al's on the left side. The subscript with any other equations Al and 0.26 mol O2 are?. Al to O2 does the `` 3 '' in front of O2 are used in the reaction help me why! Know if you need help with any other equations the limiting reactant here bond are oxygen and hydrogen likely. The reaction the percent yield if the actual yield of aluminum oxide is 0.975 mol if you need with... 3O2 → 2Al2O3 what does the `` 3 '' in front of O2 are used in reaction... 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