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Vein material consisting of quartz (G=4.48 g/cc) and Barite (g=4.48 g/cc) has a density of 3.60 g/cc. What is the wt % of barite in the vein? What is the wt % of Ba?
suppose that coal of density 1.5 gcm3 is pure carbon. it is in fact much more com- plicated but this is a reasonable
The experimental conditions are a modified perkins reaction (benzaldehyde + sodium acetate + acetic anhydride).
Draw a potential energy diagram to illustrate this reaction mechanism, assuming that the overall reaction is endothermic. Label reaction intermediates with "RI", and activated complexes with "AC"
Propose a step-by-step microscale extraction procedure that could be used to separate a mixture nitrobenzene, 4-methoxybenzoic acid, and benzylamine into the pure compounds using extraction technique. All of the molecules are organic-soluble in di..
Reductive amination can be used to form primary, secondary, and tertiary amines. Secondary amines are more basic than primary amines due to extra electron donation by the alkyl groups.
Phenacetin has the structure shown. Write an equation for its preparation, staring from 4-ethoxyaniline.
Calculate the number of grams in each of the following: 0.520 mole NaCl 1.80 moles Na2C 0.250 mole H2O 4.10 moles CO2
A gaseous fuel mixture stored at 745mmHg and 298 K contains only methane CH4 and propane C3H8. When 11.5L of this fuel mixture is burned, it produces 774kJ of heat. What is the mole fraction of methane in the mixture
Cumene, a hydrocarbon, is a compund composed only of C and H. It is 89.94% carbon, and its molar mass is 120.2 g/mole. What are the empirical and molecular formulas of cumene
How many moles of nitroglycerin and how many moles of gas(air, assume no nitroglycerin vapors present)were in the container originally?
Determine which elements are being oxidized and which elements are being reduced in each reaction
These two substances reach thermal equilibrium at a temperature of 64.2 degree celsius. If the specific heat capacity of substance "B" is 1.17 J / g-C, what is the specific heat of substance "A". (assume no heat is lost to the surroundings)
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