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When 5.56 mg of terephthalic acid are burned complete,y in excess oxygen, 11.78mg of carbon dioxide and 1.81 mg of water are produced. If the molar mass of terephtalic acid is experimently determined to be 170 ±10 g/mole, what is its molecular formula?
A: 2-methyl-1-bromohexane B: 1-bromohexane which of the above compounds will react the fastest with NaI in acetone?
if 60 ml of a 1.6 m nacl solution is evaporated to dryness how many grams of salt will remain? a solution is prepared
Consider a small lake, 0.4 mile across and 11 ft deep, that contains a total of 50 tons of dissolved oxygen. Calculate the BOD (i.e. calculate the amount of oxygen required to degrade the amount of organic waste given)
In a bad sporangiospores and fungi, are found in bag-like structures. Ascospores are also found in bag-like structures, but are always present in even numbers. Why are these spore types not the same?
he heat of vaporization of liquid water is 40.67 kJ/mol , and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J/(K*mol) for the vapor.
a gas sample containing 1.56 mol at 25degc exerts a pressure of 394 torr. some gas is added to the same container and
How much of a 500 mL bottle of 1.00 molar KCl solution should be diluted with deionized water to give 200.0 mL of a 0.100 molar solution that is required for an incredibly expensive enzymatic analysis
What is the equilibrium concentration of hydronium ion in a solution that is 0.041 M in HF and 0.19 M in F1- ion.
calculate the heat absorbed or lost by the aqueous solution qaq in joules assuming that the specific heat capacity
For benzene(C6H6), AE=30 and NE=38. Explain how the eight-electron deficiency is eliminated by the structure of the molecule.
In a reaction of copper with nitric acid, if 4.00 g of copper is used, how much copper nitrate will be produced
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
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