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A buffer solution is.290M in a weak base with kB of 2.8*10-5 as well as .490M in the conjugate acid what is the pH?
Show the products of the reactions of these carboxylic acid with PBr3/Br2 before and after hydrolysis. a) Pentanoic acid
you have 19.16 g of CH4 and 22.13 g of O2. How many grams of CO2 would be generated, CH4 + 2 O2 --> CO2 +2 H2O
note the lewis structure h3o. highly electronegative atos often have a partial negative charge on them. negative formal
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
During a typical breathing cycle the CO2 concentration in the expired air rises to a peak of 4.6% by volume.
What mass of precipitate forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a solution that contains 15.8 g of aluminum sulfate per liter
write the equations involved in the following
how many sigma bonds and pi bonds, respectively, can be formed by a carbon atom that is sp hybridized
A fixed amount of gas at 25.0 °C occupies a volume of 9.23 L when the pressure is 629 torr. Use Charles's law to calculate the volume (L) the gas will occupy when the temperature is increased to 121 °C while maintaining the pressure at 629 torr.
Use the periodic table to find the atomic number, number of protons, number of electrons, and number of valence electrons for each of the following elements.
For an aqueous solution, equimolar in both compounds, explain what volume ratio of carbon tetrachloride to water should be utilized to provide 99.0% extraction of compound X
1. write the equilibrium constant expression for each of thefollowing reactions.b cuos h2g lt-gt cus h2oc caco3s 2haq
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