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The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 °C to 27.30 °C? The density of liquid bromine is 3.12 g/mL.
Calculate to the correct number of significant figures the grams of potassum iodide that are present in 899.46 mL of an aqueous solution which is known to contain 17.960 g o
In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?
Problem- When a metal atom becomes an ion, or an ion becomes an atom, there is a transfer of electrons. In the preceding reactions, draw circles around the metal atoms which
Problem- The pKb values for the dibasic base B are pKb1 = 2.10 and pKb2 = 7.59. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq
The pH of .01 M H3PO4(aq) is 2.2. Estimate the concentration of PO4^-3 in the solution. For H3PO4, the values of Ka1, Ka2, and Ka3 are 7.6E-3, 6.2E-8, and 2.1E-13 respective
A 1.994-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4 is heated at a temperature greater than 170 C in a crucible until a constant mass is reached. The mass
If the reaction between iron (III) ion and thiocyanate ion yielded an equilibrium concentration of .30 M for each of these ions, what is the equilibrium concentration of the
The specific rotation of (S)-(+)-2-octanol is +89o . What is the enantiomeric excess (as a percentage), and of which isomer, for a sample of 2-octanol whose measured specifi
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