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In a laboratory, you determine that the density of a certain solid is 5.23\times10^{-6}\;\rm kg/mm^3. Convert this density into kilograms per cubic meters.
How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04
Which are likely to be stable at ordinary temperature and pressure?
Protein Quantification Explain why necessity for one or two plots will depend on the absorption response of the instrument and not on your standard concentrations alone.In other words,why would your results of your concentration calculation be the..
Plutonium- 239 decays by alpha emission. Calculate the energy emitted when 2.00mg of Pu-239 decays in this manner
A solution of 2.00 g of para-dichlorobenzene (a clothes moth repellant) in 50.0 g of cyclohexane freezes at 1.05 C. What is the molar mass of
Determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1 degree Celsius to 40.3 degree Celsius?
A polyamide was prepared by bulk polymerization of hexamethylene diamine (9.22 g) with adipic acid (11.68 g) at 280 degrees C. Analysis of the whole reaction product showed that it contained 2.6 x 10-3 mol of carboxylic acid groups.
what volume of a 0.400 mM solution of nickel (II) acetate (FW 247.7 g/mol) is required to provide 20mg of nickel
Benzoic acid can be extracted from an ether solution using an aqueous solution of sodium bicarbonate.
Determine the volume of the sample. (b) Plot the data. Now suppose you add another 5.00 mol of gas molecules into the same volume.
Chromium, Manganese, and Barium are all examples of metals that can be prepared in a pure form by combining oxides of these elements with reactive metals
Calculate the Pickering series wavelength associated with the excited state ni = 8. What region of the electromagnetic spectrum does this transition fall in?
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