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Determine freezing point of solution which contains .31 mol of sucrose in 175g H2O. kf=1.86 degreesC/m
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
What is the structure for hexadecanol? What would explain why it is a solid, rather than a liquid?
If I ate to eggo waffles with lite syrup, 1 egg with a little bit of hot sauce with a bottle of water and I do Leslie Sansone's Just walk belly blasting walk with two workouts and two fast miles exercise video after I at that.. Will I have burned of..
At its boiling point, the vaporization of 0.579 mol CH4 requires 4.76 kJ of heat. What is the enthalpy of vaporizating of methane?
The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/ (K x mol) for the liquid and 33.6 J/ (K x mol) for the vapor.
Our stock solutions are 0.2M EDTA, 0.04 M NaF and 1.2 M potassium phosphate. What volumes of the stock solutions should be measured?
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: PCl5(g) ? PCl3(g) + Cl2(g)
Polyethylene is a polymer consisting of only carbon and hydrogen. If 2.300 g of the polymer is burned in oxygen it produces
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr.
Lewis Bases given their lone pairs on the central atoms, however, none of them actually are. Why are OF2 and SF4 are strong Lewis Acids and not Lewis Bases
Calculate the change in temperature for 1.30 g of CaCl2 dissolved in 25.0mL of H2O. Assume that the calorimeter absorbs no heat. (ie C cal=0)
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