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A saturated solution of magnesium fluoride , , was prepared by dissolving solid in water. The concentration of ion in the solution was found to be 1.18×10?3
Draw the Lewis structure for NOF. Nitrogen is the central atom. Include all lone pairs of electrons.
Calculate the reaction Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc
Calculate Q when the solutions are mixed (time zero). Indicate how the reagent concentrations will changes as the reaction proceeds.
Analysis of an unknown substance showed that it has a moderate melting point and is a good conductor of heat and electricity in the solid phase. Which of the following substance would have those characteristics
the solubility of oxygen in water at 25 degree celsius and 1.00 atm pressure is 0.041g/L. what is the solubility of oxygen in water at 6 atm pressure?
Heatite, Fe2O3 is an important ore of iron, the free metal is obtained by reacting hematite with carbon monoxide in a blast furnace. carbon diozide is formed in the furnace by paritial combustion of carbon, the reaction is Fe2O3 (s) + 3 CO (g) -->..
The oxygen on the mineral surface gave emitted electron energies at 531 eV, corresponding to the 1s orbital of oxygen. Overall the researchers concluded that oxidation states were +2 for Hg and -2 for O.
When determining the pressure of dry hydrogen gas, explain how the measured atmospheric pressure is corrected for the presence
What is the molality of a solution that is composed of 265 g of acetone ((CH3)2CO) dissolved in 177 g of water.
The attractive force between neighboring dipoles. the force that arises because of the large differences in electronegativities in the N-H bonds
A first order reaction has an Arrhenius constant for the reaction is 3.2 x 1010 sec -1, and an activation energy of 65.1 kJ. At what temperature (in Celsius) is the rate constant equal to 0.479 sec-1
the enthalpy fusion of methanol is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
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