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Draw the missing intermediate and add curved arrows for the production of phenylethyne by the double dehydrohalogenation of 2,2-dibromoethylbenzene.
A 25.0 g sample of pure iron at 85.0°C is dropped into 75 g of water at 40.0°C. What is the final temperature of water-iron mixture?
How many liters of O2 are needed to react completely with 45.0L of H2S at STP? 2H2S(g) + 3O2(g) -> 2SO2(g) +2H20(g)
use the concept of electron configurations to explain why the number of alence electrons in metals tends to be less then the number in most nonmetals.
Explain the factors that affect the acidity of carboylic acids. Why does this matter/ give evidence to support your claims and use a reaction
Determine the percent yield if An 8.50 grams sample of Ammonia gives 12.0 g of Nitric Oxide?
When aqueous solution of sodium sulfate and lead nitrate are mixed, lead sulfate precipitates. Calculate the mass of lead sulfate produced when 1.25 L
Propose the kinds of attractive forces that might bind congo red to cotton fabric.
plot the titration point. make sure there is enough data. F. what indicator wouldyou use for this titration. what color change would you observe.
The vapor pressure of dichloromethane,CH_2Cl_2, at 0 degrees C is 134 mmHg. The normal boiling point of dichloromethane is 40. degrees C. Calculate its molar heat of vaporization.
A 380. mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
the side of the coil which cuts magnetic flux link from the north pole first becomes the live wire. Is there any reason behind that or is it just a natural phenomena?
sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs
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