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You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
A stock solution is prepared by adding 21 mL of 1 M AlCl3 to enough water to make 76 mL. What is the Cl- concentration of 40 mL of the stock solution?
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
dissolved .31 grams of KHP in 25 ml of water and it required 15.5ml of NaOH to reach end of titration, how many moles of KHP were originally present before the addition of the NaOH?
Define three carbon atoms bear the unpaired electron, The pentadienyl radical, CH2=CH-CH=CH-CH2, has its unpaired electrons delocalized over three carbon atoms
A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.
How are conditions of pressure and temperature, at which two phases coexist in equilibrium, shown on a phase diagram? By a line separating the phases by the endpoints of the line segment separating the phases
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=∞.
53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 115 J of heat. As it expands, it does 77 kJ of work. what is it change in internal energy for the system?
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
how many grams of methanol (CH3OH) is required to prepare a 0.112 m solution in 440 g of water? answer in units of g.
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