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a saturated solution of barium chloride at 30C contains 150.0 g water. how much additional barium chloride can be dissolved by heating this solution to 60C
The molecular geometry of CS2 molecule is A. Linear B. Bent C. Tetrahedral D. Trigonal Planar E. T-shaped
What is the density of lithium metal in g/cm^3 if a cylindrical wire with a diameter of 2.40 mm and a length of 15.0 cm has a mass of 0.3624 g
although they were formerly called the inert gases at least the heavier elements of group 8 do form relatively stable
What minimum votage is required to electrolyze anhydrous HF. the H-F bond is so polar that liquid HF is essentially composed of H^+ and F^- ions.
What are most important organelles? Is How does biochemistry describe life processes? there a simple basis for classifying organisms?
First lab experiment - zinc and copper aqueous solutions were tested in a microscale cell well where the voltage reading was 1.04V. Solutions were each at about 5mL.
What is the potassium ion concentration in a 2.5 m k2so4 aqueous solution
Which of the following indicators would be the best to use when 0.050 M benzoic acid (Ka = 6.6 *10^-5) is titrated with .05 M NaOH
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the environment. Therefore, two containers of waste solution are separated by a semipermeable membrane
The bp of the solution was 104.3C when 40 g was dissolved in 150mL of water. I lose points if I am more than 5% off. Any ideas what the actual substance might have been? Keep in mind this is a college gen chem lab.
Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
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