B. CO Consider the reaction 2H2+O2 2H2O Δ?rxn=−484 kJ Which answer best describes the transfer of heat that occurs when 1.40 mol H2 reacts? ? Given the equation: 2H2 + O2 → 2H2O, if given 10g H2 gas and 15g O2 gas, what is the limiting reactant? Is 2h2 + o2 2h2o a balanced chemical equation? How would you solve this? C- Only the O is unbalanced. D. CCI4. Solved: 2H2 + O2 --> 2H2O can be classified as what type of reaction? Why don't things melt when we touch them? Start studying 2H2 + O2 ----> 2H2O. 2H2 +O2----->2H2O this makes it balanced with both sides having 4 Hydrogen and 2 Oxygen Taylorvincent Taylorvincent Answer: Question: The equation for water is H2 +O2 → H2O. © 2021 Education Expert, All rights reserved. Select The Correct Answer Below: 1.3mol 5.0mol 1.5mol 2.5mol A Sample Of Carbon Dioxide Gas Occupies A Volume Of 56 L At STP. 2H2 + O2 → 2H2O a Reactants: water; Products: hydrogen, oxygen b Reactants: hydrogen, oxygen; Products: water a 56.5% b 59.0% c 88.5% d 99.7% A) carbon-16 B) oxygen-16 C) oxygen-24 D) oxygen-8 E) sultry-8. 2H2 (g) + O2 (g) → H2O (l) Match the equation's components to the appropriate description.H2O - - product O2 - - ...” in Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions. Get answers by asking now. explain .. . Join Yahoo Answers and get 100 points today. Which of the following correctly represents the atom? (Remember the ∆H = - 396. Find an answer to your question “Examine the equation. What is the limiting reactant? Given the equation 2H2+O2 ----> 2H2O How many moles of water can be produced from 6.0 moles of Oxygen 0 0 Anonymous 1 decade ago Think of the coefficients in the equation as the number of parts needed. Get your answers by asking now. Can a atomic bomb blast start a chain reaction if blast is near a missile silo? Answer: 2 question Is 2H2 + O2=2H2O a balanced equation - the answers to estudyassistant.com Is 2H2 + O2=2H2O a balanced equation Consider the equation, 2H2o+electricity -->2H2+ o2 2 See answers suhani12396 suhani12396 Answer: this process of decomposition reaction is also known as electrolysis. Check all that apply. The bond in H2 is broken, and new bonds are formed C. C2H4 I am a newbie in this industry and its help. Answer: 3 question Given the balanced equation representing a reaction: 2H2 + O2 -> 2H2O + energy Which type of reaction is represented by this equation? A neutral atom has 8 electrons and 8 neutrons. 2H2 + O2 → 2H2O 2 moles of hydrogen and 1 mole of oxygen in the reactants What is the balanced chemical equation for the reaction between hydrochloric acid and calcium carbonate when the products of the reaction are calcium chloride, carbon dioxide, and water? The oxygen nucleus gains protons. 2H2 + O2 —> 2H20 + energy What type of reaction is represented by this equation ? Water can be formed according to the equation 2H2 + O2 2H2O if 12.0 L of hydrogen is reacted at STP exactly how many liters of oxygen at STP would be needed to allow complete reaction? 2H2 + O2 -> 2H2O What is the percent yield of H2O if 87.0 g of H2O is produced by combining 95.0 g of O2 and 11.0 g of H2? B- C, H, and O are all unbalanced. A. CO2 Chemistry Consider the chemical equation. 2H2O --> 2H2 + O2 on the left you have 2 moles of water molecule, that is 2 x 2 = hydrogen atoms 2 x 1 = oxygen atoms on the right, you have 2 mole of hydrogen molecule that is 2 … Formation of water c. Combustion of water d. - 6564224 2H2+o2->2H2o What changes occur in the reaction indicated by the equation? Consider the chemical equation. The hydrogen nucleus loses protons. How do balanced equations demonstrate the conservation of mass? Of the elements magnesium, calcium, and barium, which will form the ion with the largest radius? Correct answers: 2 question: 35 points What are the reactants and the products in this equation? For the reaction represented by the equation 2H2 + O2→ 2H2O, how many grams of water are produced from 6.00 mol of hydrogen? d. H2, O2, and H2O are all trace elements. Which of the following has common component of Carbon? The number 2 in front of the joined hydrogen atoms on the reactant side of this equation shows how many of these joint diatomic molecules are necessary for the chemical reaction to take place. A.decomposition of water b. I have already balanced the equation I just need to write it out as a word equation but I'm not sure how. By signing up, you'll get thousands of step-by-step solutions to your... Why are some reactions much faster than others? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Still have questions? Consider the equation: CH4+O2→2H2O+CO2 Which element or elements are unbalanced in this equation? "Calculate the amount of energy transferred if only 650.50 grams of sulfur trioxide (SO3) gas were produced. D- Only the H is unbalanced. What's something you just don't understand? A- Both H and O are unbalanced. Question: From The Following Balanced Equation, 2H2(g)+O2(g) 2H2O(g) How Many Moles Of H2 Are Required To Form 2.5mol H2O? is it obeying the law of conservation of matter +1 Answers (1) Gabby 22 March, 18:40 0 Yes, this is a balanced chemical equation, and it obeys the Law of Conservation of Mass. A compound is a substance where two or more DIFFERENT elements are bonded together via covalent, ionic or metallic bonds. For the equation SnO2 + 2H2 Sn + 2H2O, tin (IV) oxide reacts with excess hydrogen to produce tin and water. H2 and O2, although they involve bonds between the atoms, are not compounds but molecules of element in their standard state, as they do not involve bonds between different elements. 2H2 + O2 -> 2H2O What is the percent yield of H2O if 87.0 g of H2O is produced by combining 95.0 g of O2 and 11.0 g of H2? - the answers to estudyassistant.com The enthalpy of reaction for the reaction : 2H2(g) + O2(g) → 2H2O(l) is ΔrH^Θ = – 572 kJ mol^–1. Given the balanced equation, 2H2(g) + O2(g) → 2H2O(g), what is the total mass of hydrogen gas that reacts completely with 32 g of oxygen gas to produce 36 g of water vapor. 2H2 + O2 -----2H2O [ final ] 0 0 Still have questions? What reaction would be the chemical equation 2H2O->2H2+O2 represent? a. only H2O is a compound b. H2, O2, and H2O are all elements c. H2, O2, and H2O are all compounds d. H2, O2, and H2O are all trace elements Pls. What happens to the pressure of a gas whose temperature remains constant but whose volume is decreased, ? Chemistry Stoichiometry Limiting Reagent 1 Answer Stefan V. Oct 23, 2015 Oxygen. How many milliliters o a 0.2% solution o a skin test antigen must be used to prepare 4 mL o a solution containing 0.04 mg/mL o the antigen? Why would someone's urine be light brown after drinking 2 litres of water a day? Ask question + 100 Join Yahoo Answers and get 100 points today. Thank you for this article! To fix this the equation needs to be balanced, 2H2 plus O2 yields 2H2O. a …
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