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Suppose 50.0 mL of HCl of unknown concentration is titrated to neutrality with 90.0 mL of 6.50 M NaOH Compute molarity of HCl
assuming the volume of the stomach is 1.0L, what will the pH change of the stomach acid resulting from the ingestion of one regular strength strength maalox tablet?
a premature infant suffers from respiratory distress syndrome. compared to a normal infant, your patient will have- increased production of lactate by anaerobic glycolysis
Write balanced equations for the combustion of methane, CH4(g) and octane C8H18 in air. The products are carbon dioxide and liquid water. Calculate the standard enthalpy for each equation called the heat of combustion.
Solid CaF2 is shaken with a 0.010M solution of NaF. What will be the concentration of Ca2+ ion in the resultant saturated solution? (Ksp for CaF2 = 4.0 x 10-11)
Derive the symmetries of the ligand σ orbitals for an octahedral complex. Draw the MO diagram for Cr(CO)6 showing σ bonding only.
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
a 1.6 g sample fo cono326h2o isused to prepare the complexconh34co3no3. assuming that all other reactants used in the
What is the total molar concentration of all the ions in 0.020 M solutions of the following salts in water. 0.020 M KCl = ____ M ions 0.020 M CuSO4 = ____ M ions 0.020 M CaCl2 = ____ M ions
The density of a gas was determined to be 0.7655 g/L at a pressure of 0.4804 atm and a temperature of 17.44 °C. Determine the molecular weight of the gas.
If you measured absorbances of a product in different solutions at 470 nm and used a molar extinction coefficient of 4234 M^-1 cm^-1 in your calculations.
what sort of interaction occurs between adjacent alcohol molecules? and what sort of interaction occurs between
What are the two compounds that might be in the unknown? if weighing 0.4862g when heated barely changed droppping to 0,4855g, when the product was converted to a chlorid the mass went up to 0,5247
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