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A sea water has a density of 1.025g/ml.if sea water is about 1.45% cl by mass, how much .1M silver nitrate is needed to titrate a 5 ml sample?
certain temperature and pressure, one liter of CO2 gas weighs 1.85 g. What is the mass of one liter of CH4 gas at the same temperature and pressure?
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product
in an hypnotic drug captodiamine c21h29ns2 the the sulfur 359.6 gmole was converted to sulfate and determined
what mass of solid sodium formate (of mw 68.01) must be added to 105 ml of 0.55 mol/l formic acid(HCOOH) to make a buffer solution having a ph of 3.96? ka=0.00018 for HCOOH
If 5.0 g of H2 are reacted with excess CO, how many grams of CH3OH are produced, based on a yield of 86%? CO(g) + 2H2(g) -> CH3OH(l)
What is the Volume of 0.75 mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
find the differential equation of a family of circles with center on the line y-x and passing through the
The osmotic pressure of poly(methyl methacrylate) in tolune has been measured at a series of concentrations at 298 K. Determine graphically the molar mass of the polymer
For the gas phase decomposition of t-butyl alcohol, (CH3)3COH (CH3)2C=CH2 + H2O the rate constant at 811 K is 1.05E-3 /s and the rate constant at 846 K is 5.64E-3 /s. The activation energy for the gas phase decomposition of t-butyl alcohol is
A student mixes four reagents together, thinking that the solution will neutralize each other. The solutions mixed together are 53.6 mL of 0.129 M hydrochloric acid, 104.1 mL of 0.215 M of nitric acid, 501.5 mL of 0.0126 M calcium hydroxide
A flask contains 14.182 grams of nitrogen monoxide (NO), 19.628 g of (CO2), and 29.543 g of (SO3). The total pressure in the flask is measured to be 35.9 at,. What is the partial pressure of sulfur trioxide in the flask
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