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A 2.14g sample of sodium hypiodite is disolved in water to make 1.25L of solution. the solution pH is 11.32. What is the Kb value of the hypoiodite ion?
A piece of copper alloy with a mass of 60.0 g is heated from 21.0 ?C to 44.0?C. In the process, it absorbs 507 J of energy as heat. What is the speci?c heat of this copper alloy.
the carbacation to produce 2,4,4-trimethyl-2-pentene and 2,4,4-trimethyl-1-pentene. in order to calculate the % yield, could you help with the correct balanced equation for this reaction, as i would need the moles ratio?
Explain Vapor Pressure of Ideal Solutions, At 25C the vapor pressures of chloroform and carbon tetrachloride are 26.54 and 15.27 kPa respectively. If the liquids form ideal solutions
If a customer replaces a 85 watt bulb with an 20 watt compact fluorescent bulb that lasts 5000 hours, how much less coal (lbs)will be used to generate the electricity that is saved?
The volume of an average stomach is about 1.0L. Suppose that a particular condition of acid indigestion is equivalent to the presence of a 0.50% HCl (by mass) solution.
At some temperature,a 100-L reaction vessel contains a mixture that is initially 1.00 mol CO and 2.00 mol H2. The vessel also contains a catalyst so that the following equilibrium is attained:
unchanged, or less if the residue was washed with hot distilled, deionized water instead of cold distilled deionized water
If I add 90.0ml of distilled water to 10.0mL of 1.00M of HCl, what would the hydronium ion concentration be? What about the pH?
A bone sample with 2.8 g of carbon has 17.4 disintegrations per minute. How old is the bone sample in years. What percentage of the atoms of carbon in the biosphere are C-14?
What is the limiting reagent? Show the reasoning b) Calculate the theoretical yield in milliliters of the butene produced at 740 mm and 25 C when it is collected over water.R=0.0821
what is the K value for compound Z in the biphasic system, 2) how much do you remove in each individual extraction
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
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