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A vertical line on a phase diagram indicates that a compound is formed with a distinct chemical formula corresponding to the line's position on the graph. This intermediate compound is present by itself only at this specific composition.
What is such a compound called?
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.44
Draw the structure of (E)-2,3,5-trimethyl-3-hexene. Clearly show the proper (E) or (Z) stereochemistry about the double bond.
Ethane is burned with 20% excess air in a furnace operating at a pressure of 100 kPa. Assume complete combustion occurs.
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
Calculate the pH pf a solution prepared by mixing 500 ml of 0.245 M Sodium Acetate with 250 ml 0.1 HCl.
What is the percent yield of a reaction in which 200 g phosphorus trichloride reacts with excess water to form 82 g HCl and aqueous phosphorus acid (H3PO3)
How long does it take (in minutes) for light to reach Mars from the Sun, a distance of 2.402 × 108 km
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
Equilibrium shift of the reaction and the pH of solution, 1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
Show that wave function(x)=cos(npix/L+pi) is a solution to the schrodinger equation for a particle in a box with infinite potential at x=0 and x=l where n is an integer. Normalize the function. Test whether these wavefunctions are orthogonal for d..
The following set of data was obtained by the method of initial rates for the reaction: S2O8^-2 + 3I^- --> 2SO4^-2 + I3^- Exp [S2O8^-2] [I-] Initial Rate (M s^-1) 1 0.25 0.10 9.00 x 10^-3 2 0.10 0.10 3.60 x 10^-3 3 0.20 0.30 2.16 x 10^-2 What is t..
Calculate the percent ionization of 8.0×10?2 M lactic acid (Ka = 1.4x10^-4) Calculate the percent ionization of 8.0×10?2 M lactic acid in a solution containing 4.5×10?3 M sodium lactate.
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