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Define how the boiling points, melting points and densities are different for Butane and 2-methylpropane (isobutane)?
Carbonated beverages like coke , pepsi and 7-ip contains acids, usually phosphoric and or citric acid. Propoese a procedure to remove the dissolved carbon dioxide from these beverages and determine thier total acid content.
An aqueous solution of hydroiodic acid is standardized by titration with a 0.174 M solution of sodium hydroxide. If 30.5 mL of base are required to neutralize 29.2 mL of the acid, what is the molarity of the hydroiodic acid solution?
at constant pressure the temperature of a 8.00 liter sample of gas is decreased from 456 K to 365 K. What is the new volume of the gas sample?
Gas chromatography. Answer the following questions about retention times of the following compounds. Given naphthalene (boiling point = 218 degrees C), phenol (boiling point =181.7 degrees
Calculate the heat released when 2.00L of Cl2(g) with a density of 1.88 g/L react with an excess of sodium metal as 25°C and 1 atm to form sodium chloride. [H°f(NaCl) = -411.0 kJ/mol
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule) A. SF4 > CF4 B. CO2 > SO2 C. CCl2F2 > CH2F2 D. XeF4 > SeF4
A vertical force of 7 N (in the negative z direction) is required to hold the deflector in place. Determine the mass (kg) of the deflector. Assume the velocity of the water remains constant.
If you plot the volume of a sealed gas sample versus its temperature in degrees C, at what T in degrees C will V=0 if you extrapolate the data
How many milliliters of 0.100 mol of KOH solution are needed to completely neutralize the HCl in 300 mL of a hydrochloric acid solution that has a pH of 2.25?
methanol ch3oh is used as a fuel in race cars.a write a balanced equation for the combustion of liquid methanol in
find out which of the given is a saturated hydrocarbon a ch2ch-chch2 b ch3-ch2-cch cch3-ch2-ch2-ch3 dch3-chch-ch3 also
Explain why is alcohol added to the initial mixture in the preparation of soap as well as what happens to it at the end of the reaction
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