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A chemical reaction takes place in a container of cross-sectional area 100 cm^2. As a result of the reaction, a priston is pushed out through 10 cm against external pressure of 1.0 atm. Calculate the work done by the piston.
0.25 g of hydrogen chloride HCl is dissolved in water to make 8.0 L of solution. What is the pH of the resulting hydrochloric acid solution?
The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol, respectively. The heat capacity of water is 4.184 J/g*K. Ignore the heat capacity of oxalic acid.
25.00mL of an acetic acid solution requires 23.86mL of a 0.1550M potassium hydroxide solution to reach the endpoint. What is the molarity of the acetic acid solution
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
lemon juice has a ph of about 2.5. Assuming that the acidity of lemon juice is due solely to citric acid, that citric acid is a monoprotic acid,
A fuel gas containing 86 % methane, 8 % ethane, and 6 % propane by volume flows to a furnace at a rate of 1450 m3 /h at 15 degrees C and 150 kPa (gauge), where it is burned with 8 % excess air. Calculate the required flow rate of air in SCMH
An electrical heater delivers 7.880 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable piston. As a result, the piston moves against a constant external pressure such
Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 ? 16 CO2 + 18 H2O
If you report two measurements of mass, 7.42 g and 7.56 g, are the measurements accurate. are they precise
The atomic mass of Potassium 39 is 38.96371 AMU. Calculate the binding energy for a mass of this nuclide using 1.008665 AMU for the mass of the neutron, 1.007276 AMU for the mass of the proton, 0.00054858 AMU for the mass of the electron
Is temperature an important factor to consider when determining the Ksp (solubility product constant) when doing this titration
What is the molar solubility of Mns, in grams per liter, in a buffer solution that is 0.110 M HC2H3O2 -0.505 M NaC2H3O2? For Mns
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