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When organic materials are added to a soil, the availability of nitrogen may be quickly increased or decreased. What factor regulates the availability of nitrogen?
benzene freezes at 5.45oc. the kf for benzene is - 5.07 ocm. what would be the freezing point of a 0.210m solution of
A thermostat of the type used in furnace and heat pump control is shown in Fig. 5.22. The glass vial tilts back and forth so that electrical contacts are made via the mercury (an electrically conducting liquid metal), and the furnace or heat pump ..
Both on Earth and in the sun the abundance of N is lower that that of its neighbors C and O. Is this the expected observation. explain
A titration is carried out to determine the concentration of the acid in an old bottle of aqueous HCl whose label has become unreadable.What is the HCl concentration if 32.1mL of 0.250M NaOH is required to titrate a 30.0mL sample of the acid
A 1.00 L tank contains 0.350 atm of NH3 (g) at 22.1* C. If the entire contents of the tank are dissolved in 290.0 mL of water, what is the resulting pH of this solution
Problem- What is the concentration of the ammonium ion (in M) in a solution which contains 48.2 g ammonium sulfide in 741 mL of solution
what is the vsepr formula for the nitrogen atom as the central atom in
Supposed that 36.78 mL of a 0.09554 M potassium chloride added to a 25.00 mL sample of lead(II) nitrate solution, and as a result all the lead(II) nitrate is consumed. Determine the morality of the lead(II) nitrate solution.
Compute how many milliliters of 0.626 M KOH must be added to 5.00 g of MOBS to give a pH of 7.40. Note that the pKa of MOBS is 7.48 as well as the Formula Mass is 223.29 g/mol.
The heat combustion of acetylene, C2H2(g), at 25°C, is -1299 kJ/mol. At this temperature, ?H°f values for CO2(g) and H2O(l) are -393 and -286 kJ/mol
The enthalpy of vaporization of chloroform (CHCl3) is 29.4 kJ mol-1 at its normal boiling point of 334.88 K.
Derivation of Ideal gas equation from the Kinetic theory
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