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Calculate the percent population of the first 10 rotational energy levels for HBr (rotational constant B = 8.46cm^-1) at 298K?
Repeat this calculation for HF, assuming the bond length of the molecule is identical to that of HBr.
How many grams of magnesium hydroxide are present in 1.0 L of a saturated solution at room temperature
A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C
the equilibrium mixture is compressed at constant temperature to a volume of 6.21 L? [NH3] = [H2S]=
Calculate the osmotic pressure( in atm) of each of the following aqueous solutions at 20.00 degree C: a. 1.59 M methanol (CH3OH)
If the reaction N2(g) + 3H2(g) ! 2NH3(g) is carried out at constant temperature and pressure, how much H2 is required to react with 6.4 L liters of N2.
What is the empirical formula of a compound which contains only colbalt and oxygen. if an 8.29 grams sample of the compound contains
What is the molecular formula of the molecule that had an empiricial formula of C2 H4 S and a molar mass of 180.35% g/molecular.
A gas weighing 33.62 g occupies a 10.00 liter flask at 27oc and 730 torr of pressure. what is the molar mass of the gas?
A volume of 95.0 ml of H2O is initially at room temperature (22.0 C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.1 C .
Explain the pH change when the strong acid was added to the prepared buffer solution in relation to the pH of the buffer solution . Also indicate the change in the ph when the acid was mixed with the deionized water in relation to the deionized wa..
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
Hospital patients are administered oxygen from an pressurized hyperbaric oxygen chamber. 600.0 L of oxygen is compressed in a cylinder at 160.0 atm. What volume of oxygen can a cylinder supply at the given pressure.
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