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Three hundred gallons of a mixture containing 75.0 wt% ethanoland 25% water (mixture specific gravity = 0.877)and a quantity of a40.0 wt% ethanol - 60% water mixture (SG = 0.952) are blended toproduce a mixture containing 60.0 wt% ethanol. The object ofthis problem is to determine V40, the required volume ofthe 40% mixture. Calculate V40 and do a degree-of-freedom analysis.
Explain clearly the properties of agood freezing agent basing the explanation vant hoffs factor and on colligative property.
Suppose 532 mL of neon gas at 20C and 1.04 atmospheres and 376 mL of SF6 gas at 20C and 0.97 atmospheres are put into a 275-mL flask. If the temperature remains constant, calculate the partial pressure, in atmospheres, of the SF6 gas in the mixtur..
How much water must be added to 534. mL of 0.180 M HCl to produce a 0.135 M solution? (Assume that the volumes are additive.)
A 45.5g sample of copper at 99.8 Celsius is dropped into a beaker containing 151 g of water at 18.5 Celsius.
How many grams of calcium nitrate need to be dissolved in 250 mL of water to form a solution that has a freezing temperature of -3.2 C?
how many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride reacts with excess water according to the following equation? SOCl2+H2O --> 2HCl+SO2
Calculate the mass of the sample of silver. Can you please explain how you answered this question so I can understand it on my final?
Calculate the total pressure (in atm) of a mixture of 0.0270 mol of helium, He, and 0.0200 mol of oxygen, O2, in a 4-L flask at 20°C. Assume ideal gas behavior.
All the CO2 that enter waterbody is converted to CH2O. How much oxygen (moles/m^2) is required to oxidize it back to CO2?
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
The dioxouranium(vi) cation (urany1,uo2)can be seperated and identified using the procedure described in the experiment. the spot test results for this cation with the with the following test reagents are k4fe(cn)6 red-brown
In the acid-base reaction between Sr(OH)2 and HNO3, 0.75 L of 0.85 M Sr(NO3)2 is formed upon the reaction of 0.515 L of HNO3 solution and excess Sr(OH)2.
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