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Suppose that 4.13 L of methane at a pressure of 800. Torr is transferred to a vessel of volume 2.42 L. What is the final pressure of methane if the change occurs at constant temperature?
For each of the following pairs of substances, determine which has the larger molar entropy at 298 K: [ (A) Cl2(g) or (B) Br2(l) ] [ (C) Fe(s) or (D) Ni(s) ] [ (E) C2H4(g) or (F) C2H6(g) ] [ (G) CCl4(g) or (H) CH4(g) ] [ (I) MgO(s) or (J) HgO(s) ]..
Show, with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.970-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed
Starting with d-talose (you can find this in the book or online) draw the \(\beta\) -anomer of its pyranose Haworth structure.
determine what is the density of the oxygen gas in the full bottle if a cylindrical gas lecture bottle has internal
the pressure of a sample of helium in a 1.00-liter container is .988 atm. What is the new pressure if the sample is placed in a 2.00 L container?
hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation.2 h2g
Determine the electron affinity of hydrogen; that is, Delta H for the process H(g) + e- = H-(g). To do so, the bond energy of H2(g)
Letter C of the problem asks you to calculate how many moles of NO2 you get from 15.2g N2O5. The solution on this website shows that you multiply 15.2 g N2O5 by 1 mol NO2 over 108g N2O5. where does the 108g come from
Important information about Hydroboration reaction, In one experiment you combine 1-hexene which is reacted with H2SO4 with water as the solvent and the compound produced is 2-hexanol, and in another experiment you have 1-Methylcyclohexene
Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured.
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