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A sample of sodium reacts completely with 0.142kg of chlorine, forming 234g of sodium chloride. What mass of sodium reacted?
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide.
Empirical and Molecular Formula of Adrenaline, Adrenaline contains 59% C, 7.1% H, 26.2% O and 7.7% N and has a molar mass of about 180 g/mol.
What is the complete wavefunction for n=2, L=0, and m(sub L)= 0? What radius of the orbital specified is required to contain 95% probability of finding an electron?
54.0 mL of a 1.40 M solution is diluted to a volume of 218 mL. A 109-mL portion of that solution is diluted using 183 mL of water. What is the final concentration.
Concentration of a Species, One mole of NOCl gas is added to a 4.0L container. The NOCl undergoes slight decomposition to form NO gas and Cl2 gas.
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?
Determine the delta G standard state at 298 K from the following standard state values at T= 298, Determine the delta G standard state at 1000K. assume delta H is independent of temperature
Calculate the resulting pH if 400 mL of 0.50M HCl is mixed with 300 mL of 0.080 M NaOH.
commercial concentrated aqueous ammonia is a solution of 28.0%, by mass, ammonia, NH3, (molar mass=17.0 g/mol) in water. the density pf the solution is .900g/mL.
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
By Solving this problem student is able to understand how to calculate theoretical and percent yields in an experiment - determine theoretical and percent yields for this experiment.
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