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What is the molarity of a solution of NaOH if 23.4 mL required to neutralize 25 mL of 0.25M H2SO4?
Both pieces are placed in a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = .387 J/gK)
A solution of equal concentrations of barbituric acid and sodium barbiturate was found to have pH = 4.01. (a) What are pKa and Ka for glyceric acid? (b) What would the pH be if the concentration of acid was twice that of the salt
Constitution Day is September 17. To quote Bob Dylan, "The times they are a changin'." Our modern world paradigms and technology have brought to light some interesting discussions regarding our country's constitution. So, I thought it would be intere..
A solution is prepared by mixing 0.3355 moles of NaNO3(84.995g mol^-1) with 235.0g of water(18.015g mol^-1). It's density is 1.0733g ml^-1. What is the morality of the solution and percent by weight of sodium nitrate
On the right, it is single bonded to the C which is single bonded to each H. The other form I have is the mirror immage of this one. What is the last form
Imagine a unit of charge called the zorg. A chemist performs the oil drop experiment and measures the charge of each drop in zorgs.
Solid NaI is slowly added to the solution that is 0.010 M in Cu and 0.010 in Ag a) which compound will begin to precipitate first? b) calculate Ag when CuI just begins to precipitate? c) what precipitate of Ag remains in the solution at this point..
Take 7 test tubes from the Glassware shelf and place them on the workbench. Add 1g of the seven metals on the chemicals shelf (Ag, Ca, Cu, Fe, Mg, Pb, Zn) into the seven test tubes, one metal per test tube.
As a technician in a large pharmaceutical research firm, you need to produce 100 mL of 1.00 M potassium phosphate solution of pH = 7.00. The pKa of H2PO4 is 7.21. You have 2.00 L of 1.00 M~ KH2PO4 solution and 1.50 L of 1.00 M~ K2HPO4 solution
Determine whether kinetic energy is being converted to potential energy, or vice versa, in the following process. a) Water cascades downward in a waterfall. b) Electrolysis of water produces H_2 and O_2.
Sodium fluoride and lead nitrate are both soluble in water. If 1.13 g of NaF and 0.232 g of Pb(NO3)2 are dissolved in sufficient water to make 1.00 L of solution, will a precipitate form?
While 760mm of Hg is taken 1atm pressure was measured. Explain what will be the height of the barometric column if this mercury is replaced by water
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