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Place the subsequent elements in order of decreasing atomic size largest to smallest: lead, phosphorus, oxygen, cesium, barium, and silicon
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility a) in pure water, b) in 0.20M KBr solution, c) in 0.20M Pb(NO3)2 solution.
The diffusion coefficient versus reciprocal of the absolute temperature for the diffusion of iron in chromium. Determine values for the activation energy and preexponential.
Arrange the following molecules in order of increasing bond strength. (Enter the correct sequence as a four digit number) O2=1O22-=2O2+=3O2-=4
Demonstrate that if 100 ml of a solution of 5 g of A in water were extracted with two 25 ml portions of ether a smaller amount of A would remain in the water than if the solution were extracted with one 50 ml portion of ether.
What volume of NaOH was delivered to reach the midpoint in this titration. At the midpoint the pH is measured at 4.75, what is the Ka for the weak acid
Can someone please show me the product, and the reaction by-product of the following reaction? Please make sure that the reaction is balanced. And draw the structure please
For the given reaction, 2 HCl (aq) + Ba(OH)2 (aq) BaCl2 (aq) + 2 H2O (l) 73.0 grams of HCl are allowed to react with 342 grams of BaCl2.
how many grams of sodium formate nacho2 must be added to 750.0ml of .250 m of formic acid hcho2 to obtain a buffer with
a.draw three simple molecules that illustrate the geometry of each states.b. define reduction with reference to organic
In aqueous solution, which of the following would be an acid according to the definitions of the Arrhenius, the Brønsted-Lowry, and the Lewis theories?
What is the concentration of ammonia in a solution if 21.80 mL of a 0.1160 M solution of HCl are needed to titrate a 100.0 mL sample of the solution?
A sample of ideal gas is in a sealed container. The pressure of the gas is 695 torr, and the temperature is 27 degrees celsius. If the temperature changes to 84 degrees celsius with no change in volume or amount of gas, what is the new pressure,P2..
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