2c2h2 + 5o2

  • Diketahui 2C2H2 (g) + 5O2 (g) = 4CO2 (g) + 2H2O (g) - 8012942 1. Masuk. Daftar. 1. Masuk. Daftar. Tanyakan pertanyaanmu. BellaUdi BellaUdi 23.10.2016 Kimia Sekolah ...
2c2h2 + 5o2 ==4co2 + 2h2o. 高中化学方程式配平题目——练习题. 1、下列化学方程式配平正确的是. a2kmno4+11h2s+5h2so4→k2so4+2mnso4+13s↓+16h2o. b2kmno4+8h2s+4h2so4→k2so4+2mnso4+9s↓+12h2o. c2kmno4+5h2s+3h2so4→k2so4+2mnso4+s↓+4h2o. d2kmno4+5h2s+3h2so4→k2so4+2mnso4+5s ...

2C2H2 + 5O2 ? 4CO2 + 2 H2O How many grams of CO2 are required to react with exactly 3.00 mol of O2? 106 g 132 g 165 g 76.8 g Consider the reaction: C (s) + O2 (g) -> CO2 (g) If 0.3 moles of carbon are allowed to react with 0.4 moles of molecular oxygen, how many moles of CO2 are formed?

2C2H2 + 5O2 -> 4CO2 + 2H2O. The molar ratio of C2H2 to O2 is 2 to 5 or 1 to 2.5. 2.5 moles of C2H2 will require 2.5 * 2.5 = 6.25 moles of O2. The molar ratio of C2H2 to H2O is 2 to 2 or 1 to 1. 0.42 moles of C2H2 will produce 0.42 moles of H2O. The molar ratio of C2H2 to CO2 is 2 to 4, or 1 to 2. 3.2 moles of C2H2 will produce 3.2 * 2 = 6.4 ...
  • 2C2H2(g) + 5O2(g) -> 4CO2(g) + 2H2O(l) Reaction Type: Combustion The following reaction has an exothermic energy, meaning that energy is released from the reaction. To reach the activation point, the reactants must rise upward enough to start a chemical reaction. The activation energy that is shown in the pink arrow shows when…
  • In this video we determine the type of chemical reaction for the equation H2CO3 = H2O + CO2 (Carbonic acid (breaking down)).Since we one substance breaking a...
  • 2C2H2 + 5O2 ? 4CO2 + 2 H2O How many grams of CO2 are required to react with exactly 3.00 mol of O2? 106 g 132 g 165 g 76.8 g Consider the reaction: C (s) + O2 (g) -> CO2 (g) If 0.3 moles of carbon are allowed to react with 0.4 moles of molecular oxygen, how many moles of CO2 are formed?

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    氧气的性质和用途分别是什么?_ —— 氧气是一种化学性质比较活泼的无色无味的气体,它可以与金属、非金属、化合物等多种特物质发生氧化反应,反应剧烈程度因条件不同而异,可表现为缓慢氧化、烧、爆等,反应中放出大量的热.

    Feb 11, 2014 · 1. Natural gas (methane) is burned in furnaces to heat homes. CH4 + O2 CO2 + 2H2O + energy 2. An acetylene torch is used to weld metals together. 2C2H2 + 5O2 4CO2 + 2H2O + energy 3. Carbohydrates like glucose combine with oxygen in our body to release energy. C6H12O6 + 6O2 6CO2 + 6H2O + energy Acetylene torch 23.

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    Question 3 3 pts For the reaction 2C2H2() + 5O2(g) → 4CO2(g) + 2H2O(1) 3.0 L of C2H2 reacts with 4.0 L of O2. What is the total volume, in L, of all gases present after the reaction goes to completion? 4.6 L 7.0L 3.1 L 4.0L U Question 4 3 pts A sample of gas has an initial volume of 5.6 L at a pressure of 2.0 atm.

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    Correct answer to the question: What reaction type is depicted by the following equation? 2c2h2 + 5o2 4co2 + 2h2o decomposition combination combustion single-replacement do

    The number of moles and the mass of water formed by the combustion of 20.0 kg of acetylene, C2H2, in an excess of oxygen using this formula. 2C2H2(g) + 5O2(g)→4CO2(g) + 2H2O(g)

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    Apr 16, 2008 · how are you going to write the balanced chemical equation? 2C2H2 + 5O2 ----> 4CO2 + 2H2O Calculations for CO2. Step a million) what number moles of C2H2 is latest in fifty two.0 grams of C2H2? mole of C2H2 = fifty two.0 gram / molar mass of C2H2 Mole of C2H2 = fifty two.0g/26.0378 g.mol^-a million Mole of C2H2= a million.ninety 9 mol. Step 2) what's mole ratio for C2H2 : CO2 from balanced ...

    The heat from an acetylene torch is produced by burning acetylene (C2H2) in Oxygen. 2C2H2(g) + 5O2(g) -----> 4CO2(g) + 2H2O(g) How many grams of water can be produced by the reaction of 2.40 mol C2H2, with 7.4 mol O2?

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    3MgCO3 + 2AlPO4 -> Mg3(PO4)2 + Al2(CO3)3. 100. C2H2 + O2

    Jan 03, 2013 · The acetylene torch is produced by burning acetylene ( C2H2) in oxygen. 2C2H2 + 5 O2 _____ 4 CO2 + 2 H2O How many grams of water can be produced by reaction of 2.40 mol C2H2 with 7.40 mol O2.

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    When 100.0 g Mg3N2 reacts with 75.0 g H2O as shown above, what is the maximum theoretical yield of NH3? a. 70.8 g. b. 213 g. c. 25.0 g. d. 23.6 g. e. 1280 g

    13.乙炔俗称电石气.在空气中燃烧会产生大量黑烟.与充足的氧气反应.发出明亮白光.放出大量的热.产生的高温常用来熔化金属.请回答:①无机化合物 ②有机化合物,中氢.碳元素的质量比为1:12,在氧气中充分燃烧的化学方程式为2C2H2+5O2$\frac{\underline{\;点燃\;}}{\;}$4CO2+2H2O,(4)乙炔在空气中和在氧气中燃烧 ...

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    Click here👆to get an answer to your question ️ Calculate the volume of O2 and 273 K required for the complete combustion of 2.64L of acetylene (C2H2) at 1 atm and 273 K . 2C2H2(g) + 5O2(g) 4CO2(g) + 2H2O(l)

    Can you determine the type of reaction if you see the entire balanced equation? Learn with flashcards, games, and more — for free.

Uses of Oxygen. Most widely used as an oxidizing agent. (E.g. in the steel industry to remove impurities.) Oxygen is used in medicine. It is used with acetylene, C2H2 for oxyacetylene welding:
In $\ce{CH4}$, carbon has 8 electrons due to 4 covalent bonds. In $\ce{CO2}$, carbon has 8 electrons due to 2 double bonds. In both cases, carbon has 8 electrons. So why is carbon oxidised?
Термохимическое уравнение имеет вид 2c2h2 + 5o2 = 4co2 + 2h2o + 2610 кДж То есть при сжигании 2 молей ацетилена выделяется 2610 кДж тепла.
Термохимическое уравнение имеет вид 2c2h2 + 5o2 = 4co2 + 2h2o + 2610 кДж То есть при сжигании 2 молей ацетилена выделяется 2610 кДж тепла.