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If the heat of combustion for a specific compound is -1180.0 kJ/mol and its molar mass is 94.65 g/mol how many grams of this compound must you burn to release 465.40 kJ of heat?
Calculate the pH during the titration of 25.1 mL of 0.565 M dimethylamine, (CH3)2NH with 0.170 M HCl after 14.2 mL of the acid have been added. Kb of dimethylamine = 5.4 x 10-4.
Show mechanism of oxime formation through aminoalcohol using arrows to provide a mechanistic explanation of the course of the reaction, showing intermediates, and write the product of the reaction
In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 × 103 kilometers per second. The mass of an electron is 9.1 × 10-28 g.
The goal of the treatment facility is to lower the concentration of iron to 0.3 mg/L by precipitation. What hydroxide concentration is necessary to obtain this result? What would the pH be for that concentration
The solubility of the ionic compound M2X3, having a molar mass of 238 g/mol, is 2.89 10-7 g/L. Calculate the Ksp of the compound
so I have the reaction CuCl2 + H4ClSiO4. what I dont have is what this makes afterward, could someone please explain to me what the Molecular, total ionic and net ionic equations would be
draw,clearly showing the bonding between atoms, the simplest alkane molecule consisting of hydrogen and carbon, describe the molecule shape and bond angles.
Gas was obtained by boiling liquid nitrogen stored in a 175.0 L tank. What volume ofN2 is released at 0.940 atm of pressure and 25 C from a tank full of liquid N2(d=0.808g/mol)
a 0.456 gram sample of an unknown mono protic acid lets call it hz was dissolved in some water you pick the amount.
What is the molarity of the stock solution of luminol? What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)?
Consider a different titrant for this exercise. Suppose Ca(OH)2 were used as the titrant, instead of NaOH. This will make the titrant twice as concentrated in hydroxide ion. The analyte will still be HC2H3O2.
In the explosion of a hydrogen-filled balloon, .5 grams of hydrogen reacted with 4.0 grams of oxygen to form how many grams of water vapor. (Water vapor is the only product.)
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