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a) Calculate the pH of 100 mL of 0.200 M CH3COOH and 0.220 M CH3COONa buffer solution?
b) What will be the pH of the buffer when 0.00400 moles of HCl is added to the buffer solution?
c) What will be the pH of the buffer when 0.00400 moles of NaOH is added to the buffer solution?
What formula is used to find the work needed to compress water from atmospheric pressure to a higher pressure (with ambient Temperature)? I know about w = integral (-PdV), but V is constant. What is this formula in terms of delta-P
Calculate the quantity of energy produced per gram of reactant for the fusion of -3 (atomic mass = 3.016049 ) with -1 (atomic mass =1.007825 ) to form -4 (atomic mass = 4.002603
a boy use a metalnbsp that was heat up in hot h2o and then put into a styrofoam cup of h2o at room temperature.
a solution is made by dissolving 6.10 g of k2so4 in 700 ml of water. the freezing point of this solution is -0.24
The standard free energy for the neutralization of HCl with NaOH at 25 degrees celsius is -79.9KJ/mol. Calculate the equilibrium constant for the reaction.
Find the value of Pressure - How much more pressure will the gas exert if the temperature is raised to 44.1°C?
Problem- Which of the following substances would you predict to have the highest Hvap. Which of the following substances would you predict to have the highest Hvap. N2 SiF4 C6H6 Xe F2
Predict the freezing point of a solution prepared by dissolving 8.9 g MgCl2 in 98 g H2O. Kf for water is 1.86 °C m-1. A) 3.5 °C B) -3.5 °C C) 5.3 °C D) -5.3 °C E) -0.51 °C
Write the complete mechanism for the reaction of the above molecule with HCl. Used curved arrows to indicate the formation or breakage of covalent bonds, label all charges, and show each step separately.
at 298k 125 ml of 0.60 m potassium hydroxide koh is added to 175 ml of 0.40 m hydrochloric acid hcl. what is the final
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq) yeilds 2AlCl3(aq)+3H2(g). what mass of Al(s) if required to produce 725.5 mL of H2(g) at STP
A compound composed of carbon, hydrogen and chlorine effuses through a pinhole 0.411 times as fast as neon. Choose the correct molecular formula for the compound
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