Final equilibrium temerpature of the resulting solution
A 4.50-g sample of LiCl at 25.0C dissovles in 25.0mL of water also at 25.0C. Th final equilibrium temerpature of the resulting solution is 60.8C. what is the enthalpy of solution, delta Hs, of LiCl expressed in kiljoules per mole?
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Calculate the masses of the solid you must measure out to prepare 100mL EACH OF 0.025 M KNO3 , 0.025 M CuSO4, 0.025 M Ca(NO3)2, and 0.025 M KCl . include waters of hydration when clculating the formula wights.
Treatment of 2-ethyl-1-butene with H3O+/H2O leads to three dimerization products of the formula C12H24. Please help me draw all three structures.
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A 25.0 ml sample of 0.35M HCOOH (Ka=1.77x10-4) is titrated with 0.20 M KOH. What is the pH of the solution after 25.0 ml of KOH has been added to the acid?
The final equilibrium temperature of the resulting solution is 60.8°C . What is the enthalpy of solution of LiCl expressed in kilojoules per mole ?
Your boss has todl you to evaluate two ovesns for tink-the tinkers, a gourment sanwhich shop. After some questionin of vendors and recipt of specifications, you are assured that the ovens have the attributes and cost shown in the folloiwng table.
A gas made up of atoms escapes through a pinhole 0.552 times as fast as Ar gas. Write the chemical formula of the gas.
Calculate the molar concentration of a solution prepared by dissolving 5.4 g of sodium sulfate (MW = 142) in enough water to make 500 ml of solution ?
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