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Problem- Calculate the pH and the pOH of an aqueous solution that is 0.025 M in HCl(aq) and 0.080 M in HBr(aq) at 25°C
Express your knowledge to solve the above question
Question- Salt water can effectively loosen up the cellular content because it weakens many inter-molecular interactions. Which of the following inter-molecular forces, however, cannot be weakened by salt water
A solution has 0.500kg H20 and 14.3g NaCl. What is the mole fraction of H20? The question also says. The number of moles of sodium ions and chloride ions must be accounted for separately in calculating the total number of moles in the solution
methane flowing at 2 mol/min is adiabatically compressed from 300 K and 1 bar to 10 bar. What is the minimum work required? Use Departure Functions.
a. in determining the percent acetic acid in vinegar the mass of each vinegar sample is measured rather than the
An aqueous solution contains metal cations from qualitative analysis from group 1, 2, 3, 4, and 5. While adding H2S in NH3/NH4Cl buffer will cause metal cations from group(S) ............. to precipitate.
What is the isotropic difference (in per mil) at 25 degrees between gas, liquid, and solid phase for the elements carbon and sulfur? Show calculations
For a particular reaction, delta H = -32 kJ and delta S = -90. J/K. Assume that H and S do not vary with temperature. (a)[Under standard conditions] At what temperature will the reaction have delta G = 0
Mitochondria are isolated from a cell and plunged into a solution containing a high concentration of radioactive protons (tritium). You remove the the mitochondria quickly so that each ATP synthase complex would only have enough time to make one m..
epsom salts are hydrates of magnesium sulfate. the formula for epsom salts is mgso4 . xh2o. a 7.834g sample is heated
question if 5.20 ml of 0.1000 m naoh solution is needed to just neutralize excess acid after 20.00 ml of 0.1000 m hcl
Both solutions had a density of 1.000 g mL-1 and a specific heat of 4.184 J g-1 K-1. The calorimeter had a heat capacity of 850.0 J K-1. The temperature of the entire system rose from 25.50 oC to 26.05 oC. Calculate ?H in kJ per mole of NaOH.
A gas cylinder containing 6.38 mol of neon has pressure of 491mmHg at 295k. If 3.22 mol helium is added at constant temp and pressure, what will be the pressure in the cylinder
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