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Learning Task 3
Determine if liquid water will spontaneously freeze at -10.00 oC? Is it spontaneous at +10.00 oC? What can you say about
the values of ΔSuniv?
Determine the number of moles of oxygen required to burn 12 moles of ethane (C2H6); 2C2H6 + 7 O2 = 4 CO2 + 6 H2O
Calculate the theoretical yield of AlF3 obtained from the reaction of 0.45 mole of Al in the reaction: 2 Al + 3F2= 2 AlF3
Consider a simple first-order reaction AB. If you start with solution of 0.1 mol/L A, it takes 20 seconds to go to a concentration of 0.025 mol/L of A. (a) What is the value of the rate constant for this reaction? (b) Calculate half-life of the reaction. Select one or more: Rate constant = 0.0693 Rate constant = 0.6930 O Rate constant = 6.9310 Rate constant = 0.0250 Rate constant = 0.1250 O Rate constant has another value Half-life = 5 sec O Half-life = 10 sec Half-life = 20 sec Half-life = 40 sec Half-life = 50 sec O Half-life has another value
computethe volume of CO2 produced at 65°C and 2.3 atm when 1.7 g of O2 is used up in the reaction:
C3H8 (s) + 5O2 (g) ——4 H2O(g) + 3H2(g)
compute for the volume of Hydrogen produced at 55°C and 1.5 atm when 3.5 g of AI is used up in the reaction:
2 AI(s)+6HCI (aq) ——2 AICI2 (aq) + 3H2(g)
If 3.6 L of HF decomposed at 65°C and 1.35 atm, what mass of SnF2 will be produced given the reaction:
Sn (s)+2 HF (g)———SnF2 (s)+H2 (g)
If 37 grams of methanol is produced from the reaction of 60 grams of CO and 6 grams of H2.Determine the reagent,excess reagent, percent yield and theoretical yield of reaction
Billie combined 200 grams of N2 and 100 grams H2 to produce 230 grams of ammonia. Determines the limiting reagent, excess reagent, percent yield and theoretical yield of the reaction. show the steps on how you came up with your answer
Boyle's law for the expansion of gas PV=C.At a certain instant,the pressure is 2000 lb./ft², the volume is 8 ft³, and the volume increasing at the rate of 6 ft³/mm. Find the rate of change of the pressure at this time
