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A container contains 31.7g of CO2(g). The partial pressure of CO2 is 2.80 atm and the volume of the container is 32.4L. So what is average or root mean square, speed (in m/s) of the CO2 molecules in the container?
500.0 mL of a buffer solution that is 0.601 M in NH3 and 0.358 M in NH4Cl. 500.0 mL of a solution 0.211 M in HCL is added. The final volume is 1.0000 L the Kb value for NH3 is 1.8 x 10^(-5). What is the pH of the final solution?
2 n2g 3 o2g rarr 2 n2o3gat a certain temperature and pressure 2.8 l of n2 reacts with 4.2 l of o2. if all the n2 and
a how many coulombs are required to plate a layer of chromium metal 0.30 mm thick on an auto bumper with a total area
calculate the molecular mass of paba a common sunscreen agent. when 8.32g of paba is dissolved in 150.0g of chloroform
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
At 25°C only 0.0860 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the Ksp of the salt at 25°C
when 157mg of dipentylamine was added to 122mg of benzoic acid and 2 ml of water a completey homogenous solution was
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 52.0 mL of 0.631 M HCl and 63.0 mL of 0.723 M NaOH
The molar solubility of a compound AX2 is 2.5 x 10-3 M. Calculate the value of Ksp for AX2. 1.5 x 10-3 6.3 x 10-8 1.4 x 10-8 3.4 x 10-9 none of these
can be isolated from the bark of wild cherry trees. Show the reactants that you would use to synthese scopoletinc
Propose a mechanism for the acid-catalyzed synthesis of 4,5-dimethyldioxolane + water from formaldehyde
1 calculate the molar mass for each of the following.a calcium sulfide casb calcium sulfate caso4c glycerin c3h5oh32
15.0 grams of an unknown sugar was dissolved in water and the final volume of the solution was brought up to 1.00 L. The osmotic pressure of this solution was determined to be 2.44 atm at 25°C. Which of the sugars below was most likely the unknown..
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