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Explain what is the molarity of a hydrochloric acid solution prepared by diluting 500.0mL of 1.00 M HCL to a total volume of 2.50L?
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced? (L)
The concentration of a biomolecule inside a rod shaped prokayorate call is 0.0025M Calculate the number molecules inside the cell, which is 2.4 um long and 1.4 um in diameter.
The reaction of 8.10g of Carbon with excess O2 yields 12.80g of CO2. What is the percent yield of this reaction?
Calculate the 1) mls of 15M Acetic acid 2) the grams of sodium acetate 3) and the mls of water required to make a 500mM acetate buffer at pH 4.85
Unreacted silver bromide (agBr) can be dissolved from photographic emulsions using 'hypo' solution (Na2S2O3) (aq)). The reaction can be represented as
A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is AgCl (s) + e-? Ag (s) + Cl- (aq) E° = +0.222 V
An AM station broadcasts rock music at "951 on your radio dial." Units for AM frequencies are given in kilohertz (kHz). Find the wavelength of the station's radio waves in meters (m), nanometers (nm), and angstroms (Å).
A certain hydrocarbon has a molecular formula of C6H10. Which of the following is not a structural possibility for this hydrocarbon?
Calculate the vapor pressure of water above this solution at 338 K. The vapor pressure of pure water at this temperature is 0.2467 atm
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
what concentration in ppm would it constitute? The effective volume of the earth's atmosphere is about 4.2 billion km^3, and take the average pressure to be 550 mm Hg and the average temperature to be -10 degrees C. The molar mass of air is 29 g/m..
What is the pH of a 2.025 M solution of the weak acid H3A? [Note: H3A has K1=3.429x10-6, K2=2.914x10-10, and K3=6.738x10-12
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