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The atomic mass of chlorine is listened as 35.454 amu on the periodic table. It has two naturally occuring isotopes CL 35 and Cl 37. What are the approximate percentages.
Solve Virial equation (the virial equation expanded in 1/ Vm )are expansions in p and 1/Vm,respectively
Rhodium has a density of 12.45 g/cm3. This metal crystallizes in a face-centered cubic unit cell. Calculate the diameter of a rhodium atom?
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3 H2O → CaCO3 + 2 NH3 How much NH3 could be produced?
At a given temperature, 1.40 atm of H2 and 2.03 atm of I2 are mixed and allowed to come to equilibrium. The equilibrium pressure of HI is found to be 1.305 atm. Calculate Kp for the reaction at this temperature.
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
Number of protons & the number of neutrons in the nucleus of the element boron and potassium and the number of electrons in their 1st & 2nd quantum shells?
What is the the mole fraction of a solution prepared by dissolving 0.315 g of cholesterol
A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?
Calculate the partial pressure of the hydrogen gas using the atmospheric pressure and the vapor pressure of water at the temperature of the solution. Assuming ideal gas behavior, calculate the number of moles of hydrogen gas evolved.
What is the difference between the fresh meat with added sodium nitrite and the meat with added sodium nitrite plus sodium erythorbate?
A water skier is pulled by a net force of 135 N and has an acceleration of 1.8 m/s2. What is the mass of the skier.
The solution to Chemistry, Are there differences between having electron-donating groups and electron-withdrawing groups
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