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A substance with the empirical formula C2HCl has the molar mass of 181.44 g/mol. Find the molecular formula of this compound
What is the relationship between the products formed when (R)-3-methyl-1-pentene is reacted with HBr? Question 15 options: Constitutional isomers Diastereomers Enantiomers Meso compound
Calculate the weight of potassium chlorate required to prepare 380 mL of wet oxygen collected over water at 20 Celcius and 750 mm of Hg.
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
given that the density of elemental mercury is 13.534g/mL, how many atoms of mercury are contained in 1.500mL of element?
The question is that Iron can be determined spectrophotometrically after reaction with a ligand that results in a highly colored complex. In one determination, iron is reduced with hydroquinone to ensure it is all in Fe2+ oxidation state.
A vitamin C capsule is analyzed by tirating with 0.3M NaOH. It is found that 24.4 ml of base is required to react with a capsule weighing 0.55g.
Heat leaks into the interior compartment of a refrigerator at a rate of 100 cal/s. if the air outside is 30 degC, how many watts of electricity are needed to keep the interior at 4 degC. assume an ideal, reversible refrigerator.
Do all chemical compounds undergo each type of chemical reaction,i.e. synthesis, decomposition, metathesis-precipitation, metathesis-neutralization, redox-single displacement, redox-combustion and can this information be useful to a criminal inves..
Calculate the concentration of each of the following solutions in mass percent. Part A - 9.15g C2H6O in 71.1g H2O, Part B - 104g KCl in 608g H2O, Part C - 36.3mg KNO3 in 2.44g H2O
If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?
you need to produce a buffer solution that has a ph of 5.05. you already have a solution that contains 10 rm mmol
Calculate the expectation value for the kinetic energy of the H atom with the electron in 2s orbital. Compare your result with total energy
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