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If the tosylate of (2S,3S)-3-phenylbutan-2-ol undergoes an E2 removal on treatment with sodium ethoxide. Depict the structure of the alkene that is produced.
The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
What small molecule is eliminated during the dehydration reaction when acetaldehyde is heated in the presence of KOH
Calculate the molarity of each of the following solutions. Part A - 0.14mol of LiNO3 in 6.0L of solution.
a gas has a volume of 800.0 ml at minus 23.00 degc and 300.0 torr. what would the volume of the gas be at 227.0 degc
Oxalic acid (H2C2O4) is a useful primary standard for standardizing solutions such as potassium permanganate (KMnO4). In a particular standardization experiment 29.00g of oxalic acid, is titrated with 243.00mL of permangante solution
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.60 M B(aq) with 0.60 M HCl(aq).
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 60 meters and a wind-conversion efficiency of 25 percent. The turbine operates in an area with an average wind-power density of 700 watts/sq meter at 50 meters altitude.
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
A solution contains 35.0g of glucose, C6H12O6, dissolved in 500g of water at 40 Celsius. The vapor pressure of water at 40 Celsius is 55.3 mmHg. Calculate the vapor pressure of the solution.
Given the following reaction: 2 O2 + CH4 CO2 + 2 H2O What mass of CH4 is required to completely react with 100 grams of oxygen.
Write the balanced chemical equation for the neutralization reaction that occurs when an aqueous solution of hydrochloric acid (HCl) is mixed with an aqueous solution of potassium hydroxide (KOH).
Which of the following is a forbidden transition? please give a brief explanation why you chose your answer a) L=3 m=2; l=2 m=2 b)L=3 m=2 ;l=2m=0 c) L=3m=2; l=4 m=3 d) L=3 m=2; l=2m=1
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