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Problem- A binary compound of chloride and silicon was analyzed and contains 79.1% chlorine. If the molecular mass is determined to be about 269 grams, what are the empirical and molecular formulas of this compound?
A sample of nitrogen gas kept in a container of volume 2.9 L and at a temperature of 39°C exerts a pressure of 4.7 atm. Calculate the number of moles of gas present
write the MO configuration of N2^+ and terms symbol for the ground state and excited states. show the photoelectron spectrum of N2. Assign short and long progression band.
When silver nitrate is added to an aqueous solution of magnesium chloride, a precipitation reaction occurs that produces silver chloride and magnesium nitrate. When enough AqNO3 is added so that 19 g of MgCl2 react, what mass of AgCl precipitate s..
Based on the structure of the compound why is benzoic acid and p tert butylphenol soluble a mixture of ethanol and water
What actions should an exposed person take during the immediate aftermath of the explosion?
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes. C12H22O11(aq) + H2O(g) > 4 C2H5OH(l) + 4 CO2(g)
A reaction has a rate constant of 0.00704 sec-1, how long will it take (in minutes) until 0.212 mol/L of the compound is left, if there was 0.619 mol/L at the start
you have 75.0 ml of a 2.50 m solution of na2cro4aq. you also have 125 ml of a 2.50 m solution of agno3aq. calculate the
1.a student measures that the solution freezes at temperature of -7.24 degree celsius when 64.311 f of an unknown
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