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How much energy in kilojoules is released when 15.3 g of steam at 115.0 degree C is condensed to give liquid water at 750.0 degree C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J/(Kmol) for the vapor.
And what is difference between single electrode and full supercapacitor device results?
what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
What is the boiling point of water at an altitude where the ambient air pressure is 0.61 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
Find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following.
Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer. The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
determine the mass of unknown liquid that you transferred to the flask before heating in the determinig the molar mass of a volatile liquid by the dumas method expermant
The balanced equation for trans-1,2-dibenzoylethylene in ethanol to give the product cis-1,2-dibenzoylethylene
The results of four replicate measurements were 5.4, 5.2, 5.5, and 5.2 m. Measurements were also made of the height of the tank, yielding 9.9, 9.8, and 9.6 m. Calculate the volume of the tank and the uncertainty in that volume.
How many magnesiun atoms are in 3 moles of Mg3(PO4)2? 2) A substance, NxOy has the composition by mass 69.57% O. Calculate the molecular formula of this substance if its molecular mass is 92 grams.
What is the energy, in J/photon, of electromagnetic radiation that has a frequency of 2.89 x 1015Hz ? Express your answer to 3 significant figures in scientific notation and do not include units.(4.45 x 10-3 can be represented in scientific notati..
this solution was added 1.960 grams of KI and 50.00 mL of a 0.00923 M KIO3 solution. The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
The flue gases then pass through a heat exchanger from which they emerge at 323.15K per mol of methane, how much heat is lost from the furnace, and how much heat is transferred in the heat exchanger
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