Balance the following reaction with the states of matter. х х б. Не (aq), Cu(NO3)2 NANO3 CuCrO Na2CrO4 1
Balance each of the following chemical equations. a) Ba(NO3)2(aq) + Na2CrO4(aq) —> BaCrO4(s) + NaNO3(aq) b) C2H5OH(l) + O2(g) —> CO2(g) + H2O(l) c) Sr(s) + HNO3(aq)—> Sr(NO3)2(aq) + H2(g) d) CuSO4(aq) + KI(s)—> CuI(s) + I2(s) + K2SO4(aq) Show the balancing of equations using the reactants-product table.
Balance the following reaction using oxidation numbers. б. х х, Нe Zn2+(aq) Vo2+ (aq) н,о() + H (aq) Zn(s) VO (aq)
1. Balance the three copper reactions: + H20 (1) Cu(NO3)2 (aq) + NO2(g) i) Cu (s) + HNO3 (aq) ii) Cu(NO3)2 (aq) + NaOH(aq) Cu(OH)2 (s) + NaNO3(aq) (aq) - iii) Cu(OH)2 (S) Cuo(s) + H2O (1) 2. In reaction (i), suppose you add 4.0 mL of 6 M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
1. Balance the three copper reactions: +H20 (1) +NO2 (g) Cu(NO3)2 (aq) i) Cu (s) HNO3 (aq) NANO3 (aq) NaOH (aq) Cu(OH)2 (s) + ii) Cu(NOs)2 (aq) + H2O (1I) CuO (s) iii) Cu(OH)2 (s) 2. In reaction (i), suppose you add 4.0 mL of 6M nitric acid to a sphere of copper metal that weighs 0.65 grams. Which reactant is the limiting reagent? (Show your work)
Name Questions Section 1 1. HNO3(aq) + Cu(s) → Cu(NO3)2 (aq) + _NO2(g) + __ H20 (1) net ionic equation: Observation: Reaction Type: What is in the solution after the reaction is complete? What color is the gas that evolved from this reaction? 2. _ Cu(NO3)2 (aq) +_ NaOH(aq) → Cu(OH)2 (5) + _ NaNO3(aq) net ionic equation: Observation: Dark blue and thick Reaction Type: What color and texture is the suspended product in this reaction? What is formed in...
Na3PO4(aq) + Ca(NO3)2(aq) → NaNO3(aq) + Ca3(PO4)2(s) Determine the amount of NaNO3(aq) formed in the reaction if 3.30 moles of Ca(NO3)2(aq) reacts with an excess of Na3PO4(aq) and the percent yield of NaNO3(aq) is 71.0%. A. 6.24 moles B. 9.30 moles C. 4.69 moles D. 7.50 moles E. 8.96 moles
Complete and balance the reaction. X Не (aq) Al (OH) (s)3 AICI3(aq)+3H20() HCI(ад) (1 point) Part 2 Water is one of the products formed. Write the name (not the chemical formula) for the other product. aluminum chloride (1 point) Part 3 Write the net ionic equation. (aq), | б. X Не
2NaCl(aq) + Pb(NO3)2(aq)-NaNO3(aq) + PbCl2(s) How many formula units of Pb(NO3)2 would be needed in the above reaction to produce 555kg of PbCl2?
Assign oxidation numbers to all of the atoms of each element in the following reaction a) Cu(s) + NO3-1(aq) => Cu+2(aq) + NO(g) The oxidizing agent in this reaction is_________________ The reducing agent is this reaction is_________________
Complete and balance the unfinished equations: A) Cu(s) + 4HNO3(aq) ? Cu(NO3)2(aq) + 2NO2(g) +2H20(l) B) Cu(NO3)2(aq) +NaOH(aq) ? ? C) Cu(OH)2(s) ? CuO(s) + H2O(l) D) CuO(s) + H2SO4(aq) ? CuSO4(aq) + H2O(l) E) CuSO4(aq) + Zn(s) ? ?