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32.00 mL of a 0.2500 M sodium hydroxide solution exactly neutralized a solution containing 0.5000 grams of a soluble solid acid that yields two moles of hydrogen ions per mole of acid when dissolved. Calculate the molar mass of the acid.
if it takes 1656 kj/mol to break all bonds in methane, what is the bond empathy of one C-H bond?
Assuming the solution has a heat capacity of 4.18 J/°Cg and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol."
How many valence electrons are there for the POCl3 molecule? Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure
What is the mass percent of sodium flouride solution prepared by dissolving 0.64moles of sodium fluoride into 63.5 grams of water?
How many moles of nitrate ions are present in a sample that contains 4.82 moles of chromium(III) nitrate, Cr(NO3)3
Calculate the molar mass and the molecular formula of the solid. (Ki for diphenl is 8.00'C/m)
nitrobenzenesulfonic acid starting from benzene and using any needed organic/inorganic reagents.
Isotope 1 has a mass of 107.0 amu and an abundance of 55.9%. Isotope 2 has a mass of 109.0 amu. What is the atomic mass of the element?
Calculate the quantity of energy produced per gram of reactant for the fusion of two H - 2 (atomic mass = 2.014102 amu) atoms to form He-3 (atomic mass = 3.016029 amu) and one neutron.
Is 373 K a high temperature? Some thermodynamic principles only hold at "high temperature". How is "high temperature" defined
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
You decide to put your growing knowledge of chemistry to profit by making and selling boutique soaps that are ultra mild and have an almost neutral pH. What is the pH of your best liquid soap made from a fatty acid that has a pKa value of 2.0? The..
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