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Considering the given equation 2 Al + 6 HCl → 2 AlCl3 + 3 H2 determine How many grams of AlCl3 are formed if 30.0 grams of Hydrogen are produced? It is given that the molar mass of AlCl3 =133.33 g/mol.
Calculate the pH of a solution prepared by mixing 20.5 mL of a .5 M sodium flouride solution with 32.5 mL of a .750 M hydrofluoric acid solution
what is the ph of a Solution prepared by mixing 163.0 ml of 2.4×10?3 MHCl and 382.0 ml of 1.4×10?3 HClO4 (Assume that volumes are additive.)
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SI2. Determine the number of bonding electrons and the number of nonbonding electrons in the structure of CO2.
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
Calculate the radiation dosage (in grays) for an 57-kg person that is exposed for 3.0 seconds to a 3.0 Ci source of beta radiation.
dissociate into two NO2 molecules if one mole of pure N2O4 is introduced to a 10 liter constant volume, constant temperature of 298K reactor. In addition determine the initial and final pressures within the reactor and the composition of the equil..
What is the pH of the resulting solution if 50 mL of this solution is diluted to 1000 mL Kb = 0.00036.
A black precipitate remaining from the separation of Cr3+ and Fe2+ ions from Ni2+ ion is dissolved in HCl and HNO3. Some NH3 is added, followed by several drops of dimethylglyoxime.
Choose one of the iron-sulfur electron transfer proteins described in the text. Please draw the structure of the iron-sulfur active site, indicating the amino acids tethering the FeS core to the protein
using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) +H2O(g) =CO2 (g) + H2 (g)
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