Consider the following reaction 4 Na(s) + O2(g) - 2 Na2O(s) Establish oxidation numbers. Establish the number of el...
Consider the balanced chemical equation: 4 Na(s) + O2(g) → 2 Na2O(s) How many grams of Na2O could be produced from 5.15 g of Na? 2.58 g 13.9 g 0.112 g 6.94g
4 Na(s) + O2(g) --> 2 Na2O(s) ΔH0 = - 828 kJ This reaction is _______, and therefore heat is_____ by the reaction. a)exothermic, absorbed b)exothermic, released c)endothermic, absorbed d)endothermic, released
Consider the balanced chemical equation: 4 Na(s) + O2(g) - 2 Na2O(s) How many moles of Na2O could be produced from 2.18 g of Na? 0.0948 mol 0.0474 mol 4.36 mol 2.00 mol
4 Na + O2 → 2 Na2O. What is the theoretical yield of Na2O in moles from 9.0 mol of O2?
4 Na(s) + O2(g) → Na2O(s) a. How many grams of sodium are needed to completely react with 2.80 liters of Oz at STP? b. What volume of O, at 25°C and 2.00 atm is needed to completely react with 4.60 grams of sodium?
[Refer Given the following equilibrium constants at 425°C, 1 Na2O(s) – 2 Na(1) +02(9) K= 5 x 10-25 NaO(9) = Na(1)+ - 02(9) K2 = 2 x 10-5 Na, O2(8) = 2 Na(l) + O2(9) K3 = 8 x 10-29 NaO2(s) = Na(l) + O2(9) K4 =1 10-14 determine the values for the equilibrium constants for the following reactions: a. Na2O(s) + + 02 (9) = Naz02 (8) Equilibrium constant = b. NaO(g) + Na2O(8) = Na2O2(8) + Na(1) Equilibrium...
8b. Given that Na(l) + 12 O2 (g) = Nao (g) K1 = 2 x 105 Na2O2(s) + Na(l) = NaO(g) + Na2O(s) K2 = 2 x 10-8 2Na(l) + 1/2O2 (g) = Na2O(s) K3 = 2 x 1025 Determine the value for the equilibrium constant for the following reaction Na2O2(s) = 2NaO(g)
Again consider the following unbalanced oxidation - reduction reaction: Ba(OH)2(aq) + H2O2(aq) + CIO2(aq) + Ba(CIO2)2(s) + O2(g) Balance this reaction for basic conditions. Once both half reactions are ready to add to give the overall balanced reaction, the number of electrons lost ( = the number of electrons gained) is O 2 O 3 O 1 O none of these
Which is not a chemical reaction of the alkali metal sodium? Select one: A. 2 Na(s) + 2 NH3(l) → 2 NaNH2(sol) + H2(g) B. 2 Na(s) + Cl2(g) → 2 NaCl(s) C. 2 Na(s) + 2 H2O(l) → 2 NaOH(aq) + H2(g) D. 4 Na(s) + 2 O2(g) → 2 Na2O(s) + Na2O2(s)
Consider the following reaction: 2 N2O(g) → 2 N2(g)+O2(g). In the first 10.0 s of the reaction, 1.9×10−2 mol of O2 is produced in a reaction vessel with a volume of 0.280L. What is the average rate of the reaction over this time interval? Predict the rate of change in the concentration of N2ON2O over this time interval. In other words, what is Δ[N2O]Δ over Δ[N2O]Δt?