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You obtain the following six measurements for the mass of water delivered by a special calibrated volumetric pipette: 6.301 g, 6.308 g, 6.304 g, 6.308 g, 6.307 g, and 6.302 g. determine the mean and confidence interval of these measurements at a confidence level of 95%.
Which graduated cylinder would have the greatest volume change if equal masses of Au and Pt are transferred to equal volumes of H2O in separate graduated cylinders? Density of gold = 19.31 g/cm3 , density of platinum =21.43 g/cm3
Calculate [H+] and the pH of the following solutions
Calculate the approximate SO 2 mass emission in lb/day.
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.
a certain liquid has dH(vap)=26.0kJ/mol. calculate the q,w,dH and dU when 0.50 mol is vaporized at 250K and 750torr
Given the equation 3CO(g) + Fe2O3(s) = 2Fe(s) + 3CO2(g) +24.7 kJ, how much heat is released when 56.0 g of CO react?
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
How many types of nonequivalent protons does the following compound contain
Assume that 120 grams of CH 3CH 2OH at 29 degree Celsius temperature is added with 250 grams of CH 3CH 2OH at 85 degree Celsius degree Celsius at constant pressure of atmosphere.
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 80 s?
At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol).
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