Chemistry Q&A Library Given the balanced equation Cu + 4HNO3 = Cu(NO3)2 + 2NO2 + 2H2O, provide the proper mole ratio for the mole conversion from H2O to NO2. The coefficient of Cu when the following equation is balanced with the lowest whole numbers is _ Al + CuSO4 Al2(SO4)3 + Cu. We can also multiply the entire equation with 2 to get another form of the equation: 4P + 5O2 -> 2P2O5. This balancer can also help you check whether the equation is balanced or not, thus you may edit the equation and check it's balance. The net ionic equation is Ni+2H+=Ni2++H2. Chem Help! On the left hand side of the equation the copper is in the oxidation state zero (the element) and on the right hand side it is in the oxidation state +2. Input Equation Balanced Equation; Al2(CO3)3+H2O=Al(OH)3+CO2: Al2(CO3)3 + 3H2O = 2Al(OH)3 + 3CO2: Al2O3+CO=Al+CO2: Al2O3 + 3CO = 2Al + 3CO2: Al + H2SO4 = Al2(SO4)3 + H2 Write a balanced chemical equation for the reaction. but the question asks for 4 mols of Cu NOT 2Cu. Complete and balance the equation for this reaction in acidic solution. Favourite answer. But the product turns out to be Cu2S. B. The balanced equation 2Cu(s) + O2(g) 2CuO(s) tells us that 4.0 mol of Cu does what....? The equation CH4 + O2 ? ... What is the percent yield of O2 if 10.2 g of O2 is produced from the decomposition of 17.0 g of H2O? 1 Cu(s) + You can view more similar questions or ask a new question . Consider the following balanced chemical equation: 2Cu2O(s) + O2(g) + 4Cuo(s) Determine the mass (in g) of CuO formed if 55.6 g of Cu o reacts with 50.6 g of O2. 3. 2H2 + O2 = 2H2O 3. Following are some equation input format examples: 1. Another useful procedure is to start with what looks like the most complicated formula. Interpret Data Using your data, determine the mass and the moles of copper produced. Cu(s) + 4HNO 3 (aq) ——> Cu(NO 3) 2 (aq) + 2NO 2 (g) + 2H 2 O(l) When the copper is first oxidized, the solution is very concentrated, and the Cu 2+ product is initially coordinated to nitrate ions from the nitric acid, giving the solution first a green, and then a greenish-brownish color. Answers: 1 on a question: Analyze and Conclude 1. B. Carbon is balanced with one atom on each side. Solution for When the equation, ___O2 + ___C 2H 6 →→ ___CO2 + ___H2O is balanced, the coefficient of O2 is? g Cuo Hints References eBook & Resources Hint #1 Check my work Input Equation Balanced Equation; 4K + 4H2O = 4KOH + H2: 2K + 2H2O = 2KOH + H2: 4C2H3F + 11O2 =8CO2 + 6H2O + 2F2: 4C2H3F + 11O2 = 8CO2 + 6H2O + 2F2: 4Cl2 + Na2S2O3 + 10NaOH = 8NaCl +2Na2SO4 + 5H2O The balanced equation would be H2 + I2 ==> 2HI. 2CuO + 3C + O2 2Cu + CO2 + 2CO. The equation is not balanced because in the reactants side, there are 2 nitrogen (N) atoms and 2 hydrogen (H) atoms. Write a balanced chemical equation for the reaction. 2Cu and O2 react in equal amounts. The coefficient of O2 when C5H10 combustion equation is balanced with the lowest whole numbers is _ A) reacts with 4.0 mol of O2 B) produces 4.0 mol of CuO C) must react with 128g of O2 D) cannot react with oxygen E) produces 8.0 mol of CuO Please explain the answer C. Cu + Cl2 ==> CuCl2 . 2. A. When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coefficients are:H2O (l) H2 (g) + O2 (g) … read more Scott The balanced equation would be Na2CO3 ==> Na2O + CO2. The balanced equation is "2SO"_2 + "O"_2 → "2SO"_3. First, verify that the equation contains the same type and number of atoms on both sides of the equation. Produces 8.0 Mol Of Cuo C. Must React With 256 G Of O2 D. Cannot React With Oxygen E. Produces 16.0 Mol Of Cuo 2. I really need help for my homework on how to write the balanced equation for the following reactions. Apply Write a balanced chemical equation for the reaction and calculate the mass of copper (Cu) that should have formed from the sample of iron (Fe) used. so 4 mols of Cu will react with 2 mols of O2 to form 4 mols of CuO. Our videos will help you understand concepts, solve your homework, and do great on your exams. A) reacts with 4.0 mol of O2. Chemistry 2. The balanced chemical equation for C3H8 +O2 = CO2 + H2O is C3H8 +5O2 = 3CO2 +4H2O. This is the chemical reaction in which C3H8 or propane burns in air or oxygen to produce carbon dioxide and water. The coefficients separated by commas would be: 1,1,1. The right equation is 2 Cu + O2 = 2 CuO .This happens when copper is burnt under water for example in underwater welding . The balanced form of this equation is: On the reactant side, copper is one and sulphur is eight. In the products side, there are 1 nitrogen (N) atoms and 3 hydrogen (H) atoms. The balanced chemical equation for the reaction of hydrogen and oxygen is shown below. The balanced equation would be Cu + Cl2 ==> CuCl2 . if you have Cu1+ then when you do an ionic equation and switch the ion charges, then the compound you would get would be Cu2O. 2Cu + O2 -> 2Cu2O. Start with the unbalanced equation: "SO"_2 + "O"_2 → "SO"_3 A method that often works is to balance everything other than "O" and "H" first, then balance "O", and finally balance "H". 3 cu 0 + 8 h +1 n +5 o-2 3 → 3 cu +2 (n +5 o-2 3) 2 + 2 n +2 o-2 + 4h 2 o Finally , always check to see that the equation is balanced. Write the balanced chemical equation for the reaction. Complete an ionic equation for heating Cu with atmospheric O2 Expert Answers ... the equation can be written as: `Cu -> Cu^(2+) + 2e^-` ... Write a balanced chemical equation for this reaction. In a particular redox reaction, Cr is oxidized to CrO4^2– and Cu2^+ is reduced to Cu^+ . ... Gavin H. 1 decade ago. Based on your problem, it is a single replacement reaction. A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.In other words, the mass and the charge are balanced on both sides of the reaction. Solid copper (II) oxide can be burnt with solid carbon to recover a solid, shiny metal, carbon monoxide, and carbon dioxide. This mass is the theoretical yield. Balanced Equation: The unbalanced atoms are usually balanced in a given unbalanced chemical equation. Let us identify which reaction it is. So the unbalanced equation would be: CuO(s) --> Cu(s) + O2(g) Now you have 1 Cu and 1 O on the reactant side and 1 Cu and 2 O on the product side. This page will show you how to write balanced equations for such reactions even when you do not know whether the H 2 O(l) and H + (aq) are reactants or products. This chemical reaction is a complete combustion of … 2P + 5/2 O2 -> P2O5. If you are having trouble with Chemistry, Organic, Physics, Calculus, or Statistics, we got your back! The hit and trial method plays an important role in this process of balancing the equation. Copper does not react with water . Redox reactions are commonly run in acidic solution, in which case the reaction equations often include H 2 O(l) and H + (aq). 2H2 + O2 → 2H2O The number of moles of hydrogen that is needed to produce 0.253 mol of water is The Balanced Equation 2Cu(s) + O2(e) → 2Cuo(s) Tells Us That 8.0 Mol Of Cu A. Reacts With 8.0 Mol Of O2 B. Let us help you simplify your studying. 4. This chemical equation balancer can help you to balance an unbalanced equation. B) produces 4.0 mol of CuO. CO2 + H2O is not balanced because there are four hydrogen atoms in the reactant side of the equation and only two on the product side. Well it fully depends on what type of copper you have. > You follow a systematic procedure to balance the equation. This means that it has to lose two electrons: Cu --> Cu 2+ + 2e Meanwhile, the nitrogen atom on the left hand side is in the oxidation state +5. 1. Chemistry. List the oxidation numbers of each reactant atom and each product atom. Consider the balanced equation. D. H2 + I2 ==> HI. Our videos prepare you to succeed in your college classes. Explain why, in a balanced chemical equation C + O2 CO2, we know that 1 gram of C will not react exactly with 1 gram of O2. The balancer is case sensitive. Mass is conserved rather than created or destroyed so when a chemical equation is written, it must be balanced so that there is the same amount of reactants going in as yielded product. the coefficients separated by commas would be: 1,1,1,1. (Type your answer using the format CH4 for CH4.) CuSO4 + Zn -->ZnSO4 + Cu If 200.0 g of copper(II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper? The equation is balanced by changing the scalar numbers that precede each part of the equation. The balanced chemical equation is: 2 Zn + 2 HNO3 ---> 2 ZnNO3 (s) + H2 (g) As ions, this is: 2... What Is The Difference Between A Complete Ionic Equation And A Net Ionic Equation? 67.6%. The equation given by you is wrong . And it is a replacement reaction.... What Is The Net Ionic Equation For Zinc And Nitric Acid? Balancing Redox Equations for Reactions in Acidic Conditions Using the Half-reaction Method. Cr + Cu^2+ ---> CrO4^2-+ Cu^+ i started off by doing this 2 x . Group of answer choices. group of answer choices 14 4 1 7 none of the… To balance the equation, add 16 to Cu on the reactant side and add 8 in front of Cu on the product side to complete the equation. H2 + O2 = H2O 2. Oxygen is also unbalanced because there are only two oxygen atoms on the reactant side and three on the product side. 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