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Aluminum chlorhydrate is added to antiperspirants to stop people from sweating. If this compound contains neutral H2O molecules and Al3+, OH- and Cl- ions, and the formula of this compound is Alx(OH)5Cl 2H2O, what is the value of x in this formula?
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
Calculate Delta Ssurr and Delta Stotal at 70 degree. B) Does benzene boil at 70 degree and 1 atm pressure? Calculate the normal boiling point of benzene.
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz
Which is the best acid to use in the preparation of a buffer with pH = 9.3?
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other has carbon tetrachloride as the solvent. Determine that concentration and boiling point.
What is the minimum mass of oxygen, in grams, needed to burn 39.7 g C6H6O? Give your answer to three significant figures
What type of interaction does Ultraviolet, Visible, and Infrared regions of the spectrum have with matter?
Methane gas is compressed from 22. L to 2.5 L at a constant temperature. The final pressure is 18.1 atm. What was the original pressure?
A compound contains 43.64% P with the remainder being oxygen. What is the empirical formula of the compound?
Use the thermodynamic data in Appendix B to calculate the standard cell potential and the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell
Write an equation, using the curved-arrow notation, for the acid-base reaction that will take place when each of the following are mixed. If no appreciable acid-base reaction takes place
Which solvent displayed the strongest propensity to encourage keto-enol tautomerization. CHCl3, DMSO, CH3OH? Or does this propensity more closely follow the type of solvent it falls under (such as nonpolar, polar aprotic, or polar protic).
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