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How many milliliters of a 0.40% (w/v) solution of nalorphine must be injected to obtain a dose of 1.5mg?
Cryolite (Na3AlF6) is an indispensable component in the electrochemical manufacture of aluminum. draw a lewis structure for AlF6 3- ion.
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each. (a) SF6 (b) H2C=CH2 (c) CHCl3 (d) CH2Cl2
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0184 M), V2(SO4)3 (0.212 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
how many grams of methylamine must be combusted to raise the temperature of 431 g of water from 11.0 degrees Ce to 41.0 degrees C?
a kno3 solution is made using 96.4g of kno3 and diluting to a total solution volume of 1.20l. what is the the molarity
What is the difference between a hypothesis and a theory? a hypothesis is a proposal that has been tested extensively, whereas a theory is an initialy stated proposal a hypothesis is a conclusion made after a theory was tested words hypothesis
Using active extraction (changing the polarity) and a gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
A sample of 0.50 moles of O2 gas initially at 250K and a pressure of 1.0 atm is compressed to final pressure of 12 atm. The compression can occur via two different paths
How many grams of a sugar (MW 180 g/mol) must be dissolved in 50 mL of aqueous solution to produce an osmotic pressure of 250 toor. The sugar does not dissociate.
In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using lowest whole-number coefficients).
in europe gasoline efficiency is measured in . if your cars gas mileage is 34.0 how many liters of gasoline would you
The vapor pressure of water at this temperature is 23.76 Hg. The piston is depressed at constant temperature so that the gas is compressed to a volume of 2.67 L. What is the vapor pressure in the compressed gas mixture
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