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The volume if a acid is 10 ml, 10.8 ml of H2SO4 is used to neutralize the acid. What is the titration? 2NaOH + H2SO4 produces NaSO4 + 2H20
A typical popcorn kernel has a volume of .250 mL and contains 1.114 mg of water. The kernel will pop at a temperature of 170 C. What is the pressure in atm inside the kernel right before it explodes?
Suppose 28.3 g of ClF3(g) and 24.4 g of Li(s) are mixed and allowed to react at atmospheric pressure and 25 C until one of the reactants is used up, producing LiCl(s) and LiF(s). Using the NIST value for the enthalpy of formation of ClF3 (webbook...
Write a detailed mechanism for this reaction that accounts for the net retention of detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
When a 5.49-g sample of gaseous hydrogen bromide dissolves in 33.0 g of water in a coffee-cup calorimeter (see above figure) the temperature rises from 21.00 oC to 62.66 oC. Calculate H in kJ/mol HBr for the solution process.
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
Write a suitable mechanism for the cleavage of butyl isopropyl ether with HI at 100 degrees Celsius to form exclusively isopropyl alcohol and 1-iodobutane.
The wavelength of the fundamental N-H stretching vibration is aobut 1.5 µm. What is the approximate wavenumber and wavelength of the first overtone band for the N-H stretch
A 1.45 g sample of an iron ore is dissolved in acid and the iron obtained is (aq). To titrate the solution, 21.6 mL of 0.102 M KMnO4(aq) is required. What is the percent of iron in the ore? Hint: calculate moles of iron then mass of iron then % ir..
A 1.00 L flask at 298 K contains a mixture of Kr and N2 with a total pressure of 0.940 atm. If the mole fraction of Kr is 0.455, what is the mass fraction of Kr
the temperature was returned to the origenal value what would be the partial pressure of each gas be?
Which of the following statements is true? a. The critical temperature must be reached to change liquid to gas. b. To melt a solid at constant pressure, the temperature must be above the triple point.
The valve between these Tanks X and Y is opened and the gases are permissible to mix. After the gases have had time to mix, calculate the partial pressure of the oxygen gas?
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