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A quantity of gas originally held at 4.75 atm pressure in a 1.00 L container at 26 Celsius is transferred to a 12.0 L container at 20 Celsius . A quantity of O2 gas originally at 5.15 atm and 26 Celsius in a 5.10 L container is transferred to this same container.
An ionic compound forms when aluminum (Z = 13) reacts with iodine (Z = 53). If a sample of the compound contains 1.23 x 1019 aluminum ions.
a 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 m naohaq. if the density of the vinegar solution is 1.00
For the strong base solution 4.0×10?3 M Ca(OH)_2, determine [OH^-], [H_3O^+], pH, and pOH.
Which of the following expressions is not equivalent to pH? a. log 1/[H+(aq)] b. 14.0-pOH c. -log [H+(aq)] d. -log Kw/[OH-] e
Explain in detail including all resonance arguments why electron withdrawing groups are found to be meta directors,
Some salts, like silver chloride, AgCl, are insoluble in water. What can we conclude if anything, regarding the energy required for separating and energy released for solvating the ions
it has been determined that the body can generate 5500 kj of energy during one hour of strenuous exercise. perspiration
A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume to 1.0 L with water. The final pH is measured to be 5.25. What are the concentrations of acetate and acetic acid in sol..
The acid dissociaton constant Ka, for nitrous acd is 4.4x10^-4, what is the basicity constant Kb for the conjugaed base, nitrite, NO2-? HNO2+H20 H3O+ +NO2-
a solution of ethanol c2h5oh in water is prepared by dissolving 72.0 ml of ethanol density 0.79 gcm3 in enough water
1.find the ph of a 0.65 m solution of propionic acid. what is the fraction ionized at equilibrium?2. what is the
if iodine gas reacts with excess fluorine gas to produce 7.575 g of iodine penta fluoride gas, what was the pressure of the iodinee gas before reacting if it was kept in a 1.5L flask at 298 k
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