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Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.2L of a 0.11M solution of OH^- Thanks in advance.
the starting concentration of reactants (Q) and products (R) are both 15 uM, then the equilibrium concentration of Q and R is what in uM?
Draw the crystal-field energy level diagram for the 3d obitals and show the placement of d electrons assuming this is a weak-field complex ion.
How many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 22.0° C and the pressure is 646 torr?
Metallic iron can be made by the electrolysis of molten Fe2O3. How many minutes are needed to plate out 14.00 g of Fe from molten Fe2O3 using 6.42 A current
What is the entropy change if two mole of liquid water is heated from 20 C to 100 C under constant pressure? Cp=75.5 J/mol*K over this temperature interval
What is the expected vapor pressure when 58.9 g of hexane (C6H14) is mixed with 44.0 g of benzene (C6H6) at 60.0 °C? Given
what happend of the particles of the substance in the cup (i) when it is a liquid; (ii) as it begins to evaporate; (iii) when the last bit of liquid has just evaporated.
Can complex compounds like dioxin and furan actually be thermally oxidized and destroyed?? At what temperature would these compounds actually be destroyed.
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
what is the molar mass of the solute? The boiling point elevation constant for water is .512 C/m.
An unknown metal sample is subjected to a beam of monochromatic light with a wavelength of 322 nm. Electrons are ejected from the metal surface with a velocity of 5.20 x 105 m/s. What is the threshold frequency of the metal?
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