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Determined the absolute and percent relative uncertainty and express with a reasonable number of significant figures.
8.24 (±0.04) x 0.012 ( + 0.001) ?[3.1 (+ 0.3) - 1.4 (+0.1)] / 8.5 (+0.6)9.2 (+ 0.4) x ([5.4 (+0.3) x 10^-3] + [5.6 (+0.1) x 10^-3])
using a solution of 0.1 m of a certain cation form a precipitate with 0.1 m solutions of all of these anionsnbsp co32-
A compound contains merely carbon, hydrogen and oxygen. Combustion of 0.01068g of the compound yields 0.01601 g of CO2 as well as 0.00437 g of H2O. The molar mass of the compound is 176.1 g. Explain what are the empirical and molecular formulas of..
in the manufacture of nitric acid by the oxidation of ammonia the first product is nitricnbspoxide. the nitric oxide is
For the following aqueous reaction, write a complete and balanced net ionic equation for MnS + HBr. And name states.
A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.
what effect would the incomplete drying of a sample for example the incomplete removal of a recrystallization solvent
Knowing that air contains 21% O2 and 79% N2 by volume, calculate the initial partial pressures of O2 and N2.
A mouse is placed in a sealed chamber with air at 760.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse
what xharcyeristic of the spectra did edwin hubble use and how was it used for velocities?
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
a 25.0 ml aliquot of 0.211 m citric acidsolution is titrated with 0.143 m sodiumhydroxide solution. if the balanced
Dry air near sea level has the following composition by volume: N2, 78.08 percent; O2, 20.94 percent; Ar, 0.93 percent; CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. Calculate the concentration of each gas in moles per liter at 0°C.
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