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Suggest a simple chemical test that would distinguish between the following compounds. State what you would see:
a) n-pentane and 1-pentene
b) 1-pentene and 1 pentyne
c) 1-pentyne and 2-pentyne
d) 2-bromo-2-methylbutane and benzene
e) 1-pentane and 2-bromo-2-methylbutane
f) benzene and cyclopentadiene
g) 2-bromo-2-methylpentane and 1-bromopentane
When 228.4 mg of pure X was burned 627.4 mg of CO2 and 171.2 mg of H2O were obtained. Determine the simplest formula of the compound X.
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) -> 2NH3(g)+CO2(g) At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.
does the HCl ionize the NH3 base? is the a conjugate acid or base, HCl is a strong acid, what happens when a strong acid and weak base are mixed?
The tire is filled with dry air at sea level and a temperature of 60 degree F to 32 lb/square inch.standard sea level pressure is 101325 Pa at 0 degree C (STP).
The well-preserved remains of a now extinct woolly mammoth is entombed in the permafrost lands of Siberia. Scientists have conducted carbon dating experiments on plant debris found in the stomachs of this mammoth.
Determine the quantity of unknown protein that has an absorbance of 0.227 when a blank has an absorbance of 0.081. The previously determined calibration curve has the form of a straight line with the equation A = 0.0182 × m 0.007
A 51-kg person drinks 390. g of milk, which has a "caloric" value of approximately 3.0 kJ g-1. If only 16% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
Luminol is a reagent used to detect blood at crime scenes. A technician prepares a stock solution by adding 6.0 g of luminol (molar mass=177 g/mol) to 50.0 mL of H2O.
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0219 oC. Calculate the percent ionization of the weak acid, HA.
If the actual yield is 220.0 g and the theoretical yield is 275.6 g then what will be the percent yield of ferrous sulfide.
When ethane C2H6 rea cts with chlorine Cl2 the main product is C2H5Cl but other products containing Cl such as C2H4Cl2 are also obtained in small quantities.
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