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Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). If 159 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.9 kg of C2H6 forms?
E85 fuel is a mixture of ethanol and gasoline. What is the mass in kilograms of E85 (d=0.758g/mL) in a 14.0 gallon tank.
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
You weighed out 204 mg of maleic anhydride. Which volume of 2,3-dimethylbutadiene will you need to add? The answer should be in mL with three digits after the decimal point.
Explain why C-H single bond stretching is observed in the functional group (higher energy) region of the IR, but the absorptions corresponding to other single bond stretching vibrations
An acid, HA, has the following thermodynamic values for its dissociation in water at 27 degrees celcius: ΔH=-8.0 kJ mol-1; ΔS=-70 J K -1 mol -1
give full mechanism: show the reaction of ethyl propionate with sodium ethoxide followed by cold aqueous acid work up
How many cubic centimeters are in an 8.00 oz bottle of cough medicine? (1.00 oz=29.6 mL)
Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 2.8 sample from the atmosphere at sea level (1.00 ) on a warm day (28), how many molecules are in your sample
The Ksp of calcium hydroxide, Ca(OH)2, is 5.02 × 10-6. Calculate the solubility of this compound in g/L.
If an artificial heart is capable of pumping at least 57,000,000 pints of blood before failure, how long, in years, will it probably last in a patient whose average heart rate is 72 beats per minute and an average stroke volume (the amount of bloo..
Explain the effect of that mistake on the calculated molarity MB. (Will the experimental MB calculated by Student A be higher or lower than the true MB value?)
A 50.0 L cylinder of Ar has a pressure of 137 atm at 25 C. What mass of Ar is inside the cylinder?
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