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What is the molarity of a hydrocholric acid solution if 20.00 ml of HCL is required to neutrilize .424 of sodium carbonate (105.99 g/mol)2HCL + Na2CO3 = 2NaCL +H2O + CO2
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
Two molecules of 1,3-butadiene (C4H6) react to form 1,5-cyclooctadiene (C8H12). As the Reaction proceeds, the pressure in the container falls, because two gas molecules are consumed to produce one product molecule.
Calculate the pressures in the flask in parts a and b (in torr) if the atmospheric pressure were instead 675 torr.
Using resonance structures, show why the NH2 group of aniline is an ortho/para director in electrophilic aromatic substitution
The enthalpy of solution for a solid with approximately equal delta h values for each of the steps involved in the solution formation process is
Upon digestion and analysis of DNA sample from animal tissue, there are almost always equal amounts of purines and pyrimidines. Explain why this is so.
Calculate the potential energy of interaction between the two electrons in the helium atom when they are separated by a distance of 1 Å. Similarly, what would be the potential energy of one of these electrons if it were alone in the presence of th..
how much calcium carbonate caco3 should be left in an eggshell soaked in an acid of ph level of 3 ? ph 5? ph 7?nbspcan
what volume of O2(g), measured at 17.7 degrees C and 0.978 atm reacts with 15.1 g C4H10 to produce CO2(g) and H2)(l)? Hint: you must write a balanced equation for the reaction.
Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written: 2HCl(aq)+Na2Co3(aq) --- 2NaCl(aq)+H2O(I)+CO2(g)
The ionization constant for the weak acid HA is 4.0 x 10^-8. Calculate the equilibrium concentration of H+, A- and HA in a 0.050 M solution of the acid.
How much heat is realesed at constant pressure if a 10.0-L tank containing 87.0atm of hydrogen sulfide gas condenses at its boiling point of -60.0 Celsiuse?
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