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Why is a mass measurement of an object more important than the volume measurement of an object? and What does the range value of 0 mean?
suppose you get the same data that you recorded in your lab but you mistakenly thought the mol ratio of acetylsalicylic
Many important drugs contain the amine functional group, which makes them basic. Many drugs also contain an amide group, which is effectively neutral. Suggest a way to separate ephedrine, a stimulant and decongestant drug shown below, from phenace..
How many milliliters of a 0.150 M magnesium hydroxide solution are needed to neutralize 1.282 L of a hydrochloric acid solution that is 0.1048 M
Org chemistry lab Q lab 2: why does the water solubility of the acidic compound change when going from the aqueous base to the aqueous acid.?? pls write the eq'n to illustrate this change
A turbine operates adiabatically with super-heated steam entering at T1, and P1, with a mass flow-rate, m(dot). The exhaust pressure is P2 and the turbine efficiency is gamma
What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2 and a stoichiometric excess of sulfuric acid
Construct a table that shows the relationship among the group number, valence electrons lost or gained and the formula metallic
What is the work done by the copper bar on the surrounding atmosphere? The density of copper at 20 degree celsius is equal to 8920 kg/m3.
The Ka for cacodylic acid (C2H7AsO2) is 5.37 x 10-7. An amount (0.1035 g) of this compound is added to 0.5 L H2O. What is the resulting pH of this solution
Nitric acid, HNO3, has three resonance structures. One of them, however, contributes much less to the resonance hybrid than the other two. Sketch the three resonance structures, assign a formal charge to each atom
a small bubble rises from the bottom of a lake where the temperature andnbsppressure are 4degc and 3.0 atm to the
the molecules water and methane have similar masses but methane changes from a gas to a liquid at -161 degrees celsius.
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