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If a 1,2-diol is subjected to a periodic acid test, a white solid will form when silver nitrate is added. What is the identity of the white solid?
Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 490?
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?
A solution is made by dissolving 0.040 moles of the weak acid HA in water to make 1.00 L of a solution whose pH is 4.90. Calculate the Ka for the acid.
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
Your fuels group is experimenting with glassification of spent fuel. They want to know how much of the following constituents they need to buy to produce 1000 kgs of a glass containing
1.0 atm pressure of oxygen is 0.041g/L. The solubility of oxygen in water at 3.0 atm and 25 C is _____ g/L.
Balance the equation and determine the mass in grams of chlorine that would be formed if 25 grams of PCl3 (molecular mass = 137.32 g/mol) decompose.
A certain quantity of a gas occupies 61.3 mL at 68 ?C. If the pressure remains constant, what would be the volume of the gas at 128 ?C?
A solution of ammonia and water contains 3.00×10^25 water molecules and 5.80×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
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