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Problem- A 50.0 L steel tank at 20.0 degree C contrains acetylene (C2H2) at a pressure of 125 atm. assuming ideal behavior, how many grams of acetylene are in the tank?
You must show your work in an efficient manner so I can understand it in clearly
Calculating Volume Needed for Level of pH, A 1.00g sample of benzoic acid (C6H5CO2H, FW = 122.12g/mol,Ka = 6.5 x 10^ -5) is dissolved in water to give a solution with a volume of 500mL.
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)
Two of these students will report, within experimental error, the same increase in solution temperature for the neutralization. Which are the two students? Explain.
In which state is the average distance between molecules the greatest?, Explain the difference in densities at the two temps in terms of the kinetic molecular theory.
ethylene glycol hoch2ch2oh is effective as an antifreeze but it also raises the boiling temperature of automobile
Calculate the potential E for the following cell: Fe(s)| Fe(NO3)2 (0.050M || Cu(NO3)2 (0.020 M) | Cu(s) Cell reaction: Cu+2 + Fes ? Cus + Fe+2 Fe+2 + 2e- ? Fe(S) Eo = -0.44 V Cu+2 + 2e- ? Cu(s) Eo = 0.339V
Calculate the mean percent of hydrogen peroxide when three determinations were 3.03% , 2.89% and 3.22%
The solubility of oxygen in water is 6.5mg/L at an atmospheric pressure of 1 atm and temperature of 40°C. Calculate the Henry's law constant of oxygen at 40°C.
A 65.00 mL sample of HNO3 solution is neutralized by exactly 34.16 mL of 0.5841 M Ba(OH)2. What is the molarity of the HNO3 solution?
Problem- The average molecular velocity in a gas sample at 300 K is 500 m/s. The temperature of this gas is increased until the average velocity or its molecule os 1000 m/s. What is the new temperature
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
Ethanol melts at -114 celcius and boils at 78 celcius . The enthalpy of fusion of ethanol is 5.02 KJ/mol , and its enthalpy of vaporization is 38.56 KJ/mol.
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