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Calculate the hydrogen Ion concentration, in moles per liter, for solutions with each of the following pH values.
a.) pH = 1.27b.) pH = 12.7c.) pH = 6.02d.) pH = 8.97
Standard Atmos. Pressure is 90.0 atm. What are the Partial Pressures of the Gases in mmHg?
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
whole blood what is the mass in pounds of this amount of whole blood
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
Calculate Kb for methylamine. Is methylamine strong base or weaker base than ammonia?
At constant temperature and pressure, how many liters of oxygen would be needed to completely combust 0.350 L of propane?
Determine the heat of formation of sulfuric acid, H2SO4 (l) from the following thermochemical equations: S8(s) + 8 O2(g)-->8SO2(g) H= -2374.6 kJ S8(s) + 12O2(g)-->8SO3(g) H=-3165.8 kJ H2O(l)+SO3(g)-->H2SO4(l) H=-132.3 kJ 2H2(g)+O2(g)-->2H2O(l) H=..
When a 0.369 g sample was studied by combustion analysis, 0.662 g of CO2 and 0.0897 g of H2O formed. How many moles of each of the following were in the original sample? C: ? H: ? Cl: ? What is the molecular formula?
Find the de Broglie wavelength of an electron whose speed is 2 x 10^7 m/s. How significant are the wave properties of such an electron likely
What is the change in enthalpy when 18.4 g of steam at 100?C is converted to liquid water at the same temperature and pressure? The heat of vaporization of water is 40.7 kJ/mole. Answer in units of kJ.
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Write a chemical equation for the formation of methionyl glycine
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