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The solubility of salicylic acid in diethyl ether is 1 g/3 mL at 25 °C. Is diethyl ether an appropriate solvent to use for recrystallizing salicylic acid? Explain
a sample of pure no2 is heated to 336 degree celsius at which temperature it partially dissociates according to the
one mole of calcium carbonate reacts with ammonia to produce cacn2 and liquid water. the reaction absorbs 90.1 kj of
Calculate the atom economy for each method for preparing 2,3-dibromo-3-phenylpropanioc acid.
how does the hammond postulate explaina. the greater selectivity for bromination vs. chlorination of an alkane?b. the
What is the molar solubility of Mns, in grams per liter, in a buffer solution that is 0.110 M HC2H3O2 -0.505 M NaC2H3O2? For Mns
Because of the relationship between structure and color would you anticipate the 2, 4-DNP derivative of an aldehyde or ketone conjugated with an aromatic ring or double bond to be yellow or red-orange
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
What is the average rotational energy assuming that only J=0 to 4 levels are populated in the vibrational ground state n=0?
A 30.0-mL volume of 0.50 M CH3COOH (Ka=1.8x10^-5) was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0 mL of NaOH
consider the equilibrium?n2g o2g 2nogat a certain temperature the equilibrium constant for the reaction is 0.0255.
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
Which of the following compounds has the greatest Coulomb force. Which has the smallest? Enter the name of the compound.
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