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An unknown amount of magnesium metal reacts with 100.0 mL 0f 0.100M aqueous hydrochloric acid. The final solution is acidic, and titrated to an endpoint using 0.150 M aqueous sodium hydroxide. The endpoint was neutralized after the addition of 16.45 mL of base. How many grams of magnesium metal were produced? The answer I found to this question was .0915 g.
In the previous problem, a gas was produced during the reaction of mixing magnesium metal with aqueous hydrochloric acid. From the data of Problem 5, how many grams of this gas were produced
Dry ice (solid CO2 ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged.
Creat a spread sheet or matlab file with the following functionality: a/ The utility shoud use th P(in MPa) and T(in K) to calculate the ideal gas molar volume (in cm3/mol) at a reference state and two other states labeled ‘state1' and ‘state2'.
Consider a Hydrogen atom with the electron in the n = 6 shell. What is the energy of this system? (The magnitude of the ground state energy of the Hydrogen atom is 13.6 eV.)
Using active extraction (changing the polarity) and gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
Calculate DeltaG °rxn. c) In which direction is the reaction, as written, spontaneous at 25 °C and standard pressure?
calculate the total heat (in J) needed to convert 20.0g ice at -8.00 c to liquid water at 0.600c? melting point at 1 atm
Calcuate the molalities of MgSO4, Mg2+, and SO4 in a 0.05000m solution of MgSO4 at 25 degree and at 250 degree. Find the appropriate log K's in Soltherm
A major oil company has used a gasoline additive called MMT to boos the octane rating of its gasoline. What is the emperical formula of MMT if it is 49.5% C, 3.2% H, 22.0% O, and 25.2% Mn.
Oxygen and sulfur combine to form a variety of differenet sulfur oxides. Some are stable molecules and some, including S2O2 and S2O3, decompose when they are heated
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen
Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine: P4(s) + 6 Cl2(g) → 4 PCl3(g) . A sample of PCl3 of mass 298 g was collected from the reaction of 75.37 g of P4 with excess chlorine.
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