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Explain the boiling point of benzene is 81 degrees Celsius. Define what is the vapor pressure at the temperature?
The standardized perchloric acid solution is then used to titrate 41.10 mL of a solution of sodium lactate (NaC2H5OCOO). An endpoint is reached when 18.22 mL of perchloric acid has been added.
How do the shapes of molecules determine their physical and chemical properties? Provide at least two examples
how many grams of cano32 can be produced by reacting excess hno3 with 7.40 g of caoh2?a 32.8 gb 8.22 gc 10.2 gd 16.4 ge
NaOH was required to back titrate the excess HCl. What was the calculated molecular mass of the product and how likely is it that the product was barium carbonate
A sample of gas occupies 2.78 x 103 mL at 25oC and 760 mm Hg. What volume will the gas sample occupy at the same temperature and 475 mm Hg?
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
Ammonium nitrate (NH4NO3) decomposes into nitrogen, oxygen, and water. If 12g of ammonium chloride decompose entirely at 300 C with delta H reaction =-236.kJ
Acid rain was at one time an important point of contention between the United States and Canada. Much of this acid was the result of the emission of sulfur oxides by coal-fired electricity-generating plants in southern Indiana and Ohio
Hydrogen bromide can be prepared by the reaction of hydrogen gas and bromine gas as per the equation shown below (H2 (g) + Br2 (g) → 2HBr (g). Whas mass of product will be obtained when 1.34 mol of bromine gas is used in the reaction
Write the appropriate nuclear equation for the following description. Iodine-131, has a half-life of 8 days. If you started with a 12.0-mg sample of I-131, how much would remain after 24 days
assume 2 flasks each with one litre of a saturated solution of glucosec6h12o6. one solution has one gram of
If the melting point of the compound is unknown the melting point measurement could take an exceedingly long time if the rate of heating of 2C/min is followed over the entire range from room temperature to the melting.
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