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How many silver atoms are in a single nanoprisms with an edge length of 45nm and a length of 5 nm? the density is 10.5 g/cm3
A study of this system reveals that there are 4.0E-3 moles of sulfur dioxide gas, and 4.9E-3 moles of oxygen gas present in a 9.0L flask at equilibrium. The equilibrium constant for this reaction is 4.1E-3. Calculate the number of moles of SO3(g) ..
As part of a soil analysis on a plot of land, you want to determine the ammonium content using gravimetric analysis with sodium tetraphenylborate, Na B(C6H5)4-. Unfortunately, the amount of potassium, which also precipitates with sodium tetrapheny..
Draw a typical force vs. distance (approach and retract) curve and explain how particular features correspond to different forces exerted between tip and sample
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
Citronellol or dihydrogeraniol is a naturally occurring oil. The IUPAC name for citronellol is 3,7-dimethyl-6-octen-1-ol. (+)-Citronellol, which is found in citronella oils, is the more common isomer.
Alcohols can be oxidized by chromic acid derivatives. One such reagent is pyridinium chlorochromate, (C5H5NH )(ClCrO3-), commonly known as PCC
Which molecule below exhibits dipole-dipole interactions but not dispersion forces. a)HF b)HCl c)CO2 d)CH3OH e)none of these
how many grams of benzene are needed in 46.3 grams NaBr (103 g/ mol)? the freezing point of solution to 3.94 degree C?
A student determine the melting point of a substance to be 85.2 degrees Celsius. If accepted value is 53.7 degrees Celsius , the percent error in her determination was?
How many moles of ammonia will be required to produce 11.5 mol of water?
Predict the magnetic susceptibilities (para- or diamagnetic) and determine the number of unpaired electrons of each of the following complexes (consider C2O42- and H2O as strong field ligands which cause a large splitting of the d-orbitals).
how to calculate the concentration of a standard solution and the concentration of KMnO4 the mass of sodium oxalate used was 0.8367g and then it was diluted down with 50ml water, and 20ml H2SO4 then 25 ml of that solution
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