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a) From the number if moles of ammonia calculated in part (a - below) determine the number of micrograms of mitrogen per gram of dry soil. Assum you have 2.753 f of soil and all of the ammonia diffused from the soil.
b) number of mili moles of acid H2SO4 = 0.0025*3.25 = 0.008125 so each mole of H2sO3 WILL RELEASE 2 H+ ions therefore, number of moles of H+ = 2*0.008125 = 0.01625 mili moles
A 24 L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16 L?
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution
Write the reaction of benzoic acid with propylamine. If there is no reaction
How much heat is gained (in Joules) by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14 C?
what is the problem of attempting an Adols condensation using different aldehydes
A chemistry handbook lists the solubility of sodium Iodide as 184 grams per 100mL of water at 25 degrees celsius. How many moles of NaI can be dissolved in 100mL of water at 25 degrees celsius?
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?
60.0 mL of a 0.450 M solution is titrated with 0.570 M . Calculate the volume of required to reach the equivalence point.
What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series
It is important to allow each spot added to the chromatography paper to dry completely before adding another spot.
175g of water was heated from 15c to 88c. how many calories were absorbed by the water
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