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Draw the line-bond structures for C4H10O. Include all constitutional isomers(except those with carbon-carbon double bond or triple bonds). For each constitutional isomer, identify the functional group and indicate whether there are stereoisomers other than conformers.
A 2.89-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 540. mm Hg. What is the partial pressure of each of the gases?
Light with a wavelength of 330nm shines on a piece of metal with a threshold energy of 4.60 eV. What would you expect for the kinetic energy
The evaporation of water H2O(l) ->H2O(g) is endothermic: Change in T degree +44.01 kJ Determine the minimum mass of water (in ) has to evaporate to absorb 183 joules of heat?
A mass of 1.37 g of an unknown gas is introduced into an evacuated 1.70 L flask If the pressure in the flask is 0.814 atm at 98 degrees C, which of the following gases might be in the flask?
what is the molar heat of vaporization in kilojoules per mole if its vapor pressure at 20C is 540 torr?
The pH of a lake that has a volume of 2.4*10^4 liters has a pH of 4.5. Calculate the mass of Calcium Carbonate (CaCO3) that must be added to the lake water in order
what is the molarity of the base? Show clearly all strps of calculation please and a generalized chemical equation
A drop of oil volume 0.05 cm3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover an area of 40 cm2. Calculate the diameter of an oil molecule.
Kc = 9.7 at 900 K for the reaction NH3(g) + H2S(g) --> NH4HS(s) If the initial concentrations of NH3(g) and H2S(g) are 2.0 M, what is the equilibrium concentration of H2S(g)?
A buffer solution was prepared by adding 4.95 g of sodium acetate, NaCH3CO2, to 2.50 x 10^2 mL of 0.150 M acetic acid, CH3CO2H. What is the pH of the buffer?
If it takes 30.0 mL of 0.0250 M K2Cr2O7 to titrate 15.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+?
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