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Gasohol is a mixture of 90% gasoline and 10% ethanol,CH3 CH2 OH. Ethanol is considered anenviornmentally friendly fuel additive because it can be made froma renewable source--sugarcane. Ethanol burns in air to formCO2 and H2 O, and, like the combustion of alkanes, this reaction also releases a great deal of energy. Write a balanced equation for the combustion of ethanol.
Write an equation for any reaction that occurs after each step and calculate the concentration of Ba,CL,NO3,NH4 in the final solution assuming that all reaction go to completion
Predict the physical state of ammonia at -95 degrees C (mp =-77degrees C, Bp =-33 degrees C) and normal atmospheric pressure.
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
Need to make an aqueous solution of 0.233 M potassium iodide for an experiment in lab, using a 250 mL volumetric flask. How much solid potassium iodide should you add?
elemental exonium not a real element con- sists of two major isotopes abundance mass 5598 amu 45114 amu what is the
A gas is compressed from 68.2 L to 8.0 L at 0.70 atmospheres? In addition a total of 3300 J of heat are gained from warmer surroundings. What is the change in internal energy in kJ
a burning candle produces a luminous flame. What is the fuel for the burning candle. Why is the flame luminous
A linear combination of orthonormal kets,
The base-dissociation constant of ethylamine (C2H5NH2) is 6.4 × 10-4 at 25.0 °C. The of [H+] in a 1.6 × 10-2 M solution of ethylamine is __________ M. ( Ans: 3.5 × 10^-12)
What must be the velocity, in meters per second, of a beam of electrons if they are to display a de Broglie wavelength of 83.7 ?m?
in the olympics and other major athletic competitions a gc-ms is used to screen athletes for their use of banned
What kind of hybrid orbitals are found on the central atom in ICl3. Answer a. dsp3 b. sp2 c. sp3 d. sp4 e. sp3d2
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