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If 19.50g of CaCl2 are dissolved in enough water to give 250ml of solution, what will be the molar concentration if the Cl- ion in this solution?
Explain the differences between ionic bonding and covalent bonding, and how each type of bonding affects solubility, melting and boiling points, and reactivity of compounds. Include at least 2 examples of each and organize your information in a ch..
If nitrosyl bromide, NOBr, is 34 percent dissociated at 25°C and the total pressure is 0.25 atm, calculate Kp and Kc for the dissociation at this temperature.
When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP
determine the molarity of a saturated nai sodium iodide solution aqueous formed as twenty five degree celsius
How many grams of cobalt metal can be formed if a 2.00 amp current is passed through a solution of Co2+ for a period of 20.0 minutes
1)Determine melting point--Why would you do a mixture melting point. 2)Determine melting point-What signifies the beginning and end of the melting range. 3)Solubility -How does miscibility relate to solubility
20.00 ml of .150 M HC2H2O2 solution is titrated with .150 M NaOH. What is the pH at the equivalence point? Ka of HC2H2O2 = 1.8*10^-5.
A 50.00-mL solution containing NaBr (FW=102.894g/mol) was treated with excess AgNO3 to precipitate 0.2146 g of AgBr (FW= 187.772g/mol). What was the molarity of NaBr in the solution
the following changes in a DNA molecule may have no effect on the protein for which the DNA codes
Research information about the human olfactory system and olfactory receptors. Explain how humans sense odor and clearly identify how different molecular structures influence the odors we can detect. Properly cite your reference source(s) for this..
The fat, tripalmitin, when hydrolyzed with aqueous NaOH followed by acidification with HCl yields glycerol and palmitic acid.
What is the percent yield of a reaction in which 282 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 114 g HCl?
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