Silver metal with a density
A graduated cylinder contains 24.0 mL of water. What is the new water level after 38.8 {rm g} of silver metal with a density of 10.5 g/mL is submerged in the water?
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If a 2.4 reaction vessel initially contains 721 of cyclopropane at 485 , how long will it take for the partial pressure of cylclopropane to drop to below 104?
A 36.3 ml aliquot of 0.0529 M H2SO4 (aq) is to titrated with 0.0411 M NaOH (aq) What volumen (ml) of base will it take to reack the equivalence point
My thesis topic is distortion power and its effect on the power quality generated by wind energy system. this work is going to be base on the IEEE 1459-2000 or IEEE 1459-2010 standard. the advance or improve Walsh function algorithm is going to be
A mixture of KBr and NaBr weighing 0.560 gm was treated with aqueous Ag+ and all the bromide ion was recovered as 0.970 gm of pure AgBr. What was the fraction by weight of Kbr in the original sample?
You need to produce a buffer solution that has a pH of 5.02. You already have a solution that contains 10 rm mmol (millimoles) of acetic acid. H
A small parabolic reflector (dish) of revolution, referred to as a paraboloid, is now being advertised as a TV antenna for direct broadcast. Assuming the diameter of the reflector is 1meter, determine at 3GHz the directivity (in dB) of the ant
A 3.00-L flask is filled with gaseous ammonia,NH3 . The gas pressure measured at 20.0 deg C is 2.05 atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
If the initial concentration of {AB} is 0.260 M, and the reaction mixture initially contains no products, what are the concentrations of {A} and {B} after 75 s?
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