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Considering the given reaction 6Li(s)+N2(g) yields 2 Li3N(s) detrmine What mass of lithium (in g) is needed to react completely with 57.9 mL of Nitrogen gas at Standard atmospheric conditions?
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked
Determine the new pressure of the gas and express your answer in Pa
Three sparingly soluble salts, MA, MA2, and MA3, all have Ksp = 1.5 x 10-7. Determine which of these three has the highest molar solubility in water? a) MA, b) MA2, c) MA3 ,d) They are all equally insoluble.
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
A flask contains 0.260 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.
Calculate the number of 5.70m NaOH must be added to 666 ml of a buffer that contains .0205m C2H4O2 and .0260m C2H3NaO2 to increase the ph to 5.75.
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
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