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A 75mL sample of NaOH was triated with >45 M HCL. 36 mL of HCL were necessary to reach the equivalent point. Compute the molarity of the NaOH.
The normal boiling point of methanol is 64.7 degrees C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 450.7 torr at 64.7 degrees C.
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
solvent to be used to extract a compond from an aqueous solution and when carrying out an extraction, what are the advantages/ disadvantages of having your extraction solution more/less dense than water?
apply the variation function x2a-x2 for x between 0 and a to the particle in a box and estimate the ground state energy
A 10.1 mL sample of vinegar, which is an aqueous solution of acetic acid, HC2H3O2, requires 16.2 mL of 0.474 M NaOH to reach the end point in a titration. What is the molarity of the acetic acid solution. HC2H3O2(aq) + NaOH(aq) NaC2H3O2(aq) + H2O(l..
a solution consisting of isobutyl bromide and isobutyl chloride is found to have a refractive index of 1.3931 at 20 degrees celsius. The refractive indices at 20 degrees celsius of isobutyl bromide and isobutyl chloride
The molar heat capacity of silver is 25.35 J/Mol * degrees celcius. Knowing how much energy it would take to raise the temperature of 11.7g of silver by 16.9 degrees celcius in joules. Answer the following question: What is the specific heat of si..
The chemical equations describing the hydrolysis reactions are given. By adding these reactions one can write the overall balanced net ionic equation for the reaction that occurs when ammonium carbonate dissolves in water.
A certain weak acid, HA, with a Ka value of 5.61*10 raised to negative 6 is titrated with NaOH. A solution is made by mixing 7.00 mmol (millimoles) of HA and 1.00 mmol of strong base. What is the pH? I figured out the pH was 4.47
A gas vessel is attached to an open-ended manometer filled with a nonvolatile liquid of a density 0.993 g/mL. the difference in height of the two liquids is 32.2 cm @ 765 mmHg. Given the density of Hg is 13.6 g/mL, what is the pressure of the encl..
You have been asked to review the calculations of an assistant with respect to the calculation of the internal energy of CO2. The assistant looked up the enthalpy of CO2
A year later a single large crystal of mass 50 g is at the bottom of the flask. Explain how this experiment provides evidence for a dynamic equilibrium between the saturated solution and the undissolved solute.
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