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Two streams flow into 500 gallon tank. The first stream contains 10 wt% ethanol and 90 wt% hexane ( density =0.68 g/cc) while the second stream contains 90 wt% ethanol and 10 wt% hexane ( (density= 0.780 g/cc). The tank gets filled in 22 min. After the tank gets filled in the sample analysis suggests 60 wt% ethanol and 40 wt% hexane.
1. Carry out degree of freedom analysis.
2. Perform the calculations of mixed stream density and flow rate of each stream.
Determine the mass of lithium hydroxide producecd when 0.38 g of lithium nitride reacts with water according to the follow equation: Li3N + 3H2O equals NH3 + 3LiOH
Calculate the standard entropy change for the following reaction at 25 °C. Mg(OH)2(s) + 2HCL(g) --> MgCl2(s) + 2H20(g)
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
Using IUPAC substitutive nomenclature rules, write the name of the major organic product when 1-propanol reacts with concentrated sulfuric acid under heated conditions.
for question 1, 2, and 3, show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
Anhydrous, primary standard sodium thiosulfate can be prepared from the pentahydrate, Na2S2O3 5H2O. How many grams of primary standard should be dissolved in 500.0 mL of water to make a 0.040 M solution
A 70.0 g piece of metal at 22.0°C is placed in 100.0 g of water at 80.0°C in a coffee cup calorimeter (with negligible heat capacity), and the metal and water come to the same temperature at 75.6°C. What is the specific heat capacity of the metal
How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?
A 5.0 L bulb filled with 175 torr of He and a 7.5 mL bulb filled with 325 torr of Kr are connected together allowing the gases to mix. What is the final pressure in the combined bulbs, assuming the gases behave ideally and the volume of the connec..
After about five minutes of mixing, the final temperature of the solution inside the calorimeter reached 37 C. Calculate the heat capacity of the calorimeter (J/C - joules per degree).
Some of the moles of HCl you add will react with sodium carbonate in the first reaction and the rest will react with sodium hydroxide in the second reaction.
Use an orbital diagram to draw the molecular orbital for H2+. Do you predict this molecule will be stable? Explain your logic.
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