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Starting with butane, 2-bromobutane or 1-bromobutane, please show the reaction/mechanism for how could prepare
a) 1-butene
b) 3-methylheptane
c) 5-methyl3-heptyne
salicylic acid with methanol to yield methyl salicylate why wouldnt you use a strong base like sodium hydroxide?
In 13C NMR, splitting of spectral lines is due to: A) coupling between a carbon atom and protons attached to that carbon atom b) coupling between a carbon atom and protons attached to adjacent carbon atoms
Using the Ka values, calculate the pH of a buffer that contains the given concentrations of a weak acid and its conjugate bases. [1]. 0.86 M NaH2PO4 and 0.63 M Na2HPO4 [2] 0.60 M NaHCO3 and 0.72 M Na2CO3
The buret continues to drain, slowing gradually until coming to a complete stop, as depicted on the right side. At that moment, the total pressure of the gases inside the flask just equals the total pressure of the atmosphere plus the additional p..
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 62.60 g of ZnCl2 in 429.0 g of water at 328.0 K. The vapor pressure of pure water at 328.0 K is 118.0 torr.
Red phosphorus is fairly stable, while white phosphorus will ignite spontaneously in air above 50 C. Determine the change in entropy for the conversion of the white form to the red form
how many grams of KO2 are needed to produce 180.0 L of O2 at 18.0 C and 1.00 atm
list the names and chemical formulas for two allotropes of oxygen, three allotropes of phosphorus, and four allotropes of carbon
Boyle's apprentice observes that the air trapped in air tube occupies 24.8 cm3 at 1.12 atm.by adding mercury to the tube increases the pressure on the trapped air to 2.64atm. assuming constant temperature, determine the new volume of air?
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
A nitric acid solution containing 71.0% HN)3 (by mass) has a density of 1.42 g/mL. How many moles of HNO3 are present in 1.00L of this solution?
how many liters of hydrogen are obtained from the reaction of 4 g calcium with excess water, at 37 Celsius and 0.962 atm?
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