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Basic properties are characteristic of all alkaline earth metal oxides except one. The formula of this exception is? BeO, MgO, SO2, B2O3, CaO
Calculate the pH of a solution prepared by mixing equal volumes of 0.21M methylamine (CH3NH2), Kb = 3.7X10^-4 and 0.61M CH3NH3Cl
A hypothetical metal has a face-centered cubic unit cell with the edge length of 4.566 Å. Calculate the radius of the metal atom.
Given the following half-cell reactions, write the overall reaction and calculate the standard reduction potential for the cell. Mn3O4 (s) + 4H2O (l) + 2e- ? 3Mn(OH)2 (s) + 2OH- (aq)Eo = 0.002 V
At 450 K the equilibrium concentrations for the following reaction was measured and used to calculate the kc value of 0.0431. What is the value of Kp for the Reverse reaction under the same conditions
NH4CO2NH2(s)->2NH3(g) +CO2(g) (at equilibrium) starting with only the solid it is found at 40C the total gas pressure is 0.363 atm calculate equilibrium constant Kp
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
Actually, whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain.
A sample of nitrogen occupies a volume of 250mL at 27 degrees C and 700 mmHg of pressure. What will be its volume at STP?
When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B
How many grams of Na3PO4 will be needed to produce 500ml of a solution that has a concentration of Na ions of 0.600M
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
In what order would the amino acids arginine, leucine, and lysine be eluted from a Dowex-1 column at pH 10.5? (b) In what order would glutamic acid
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