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A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular formula of this oxide?
A. SO3
B. S2O
C. SO
D. SO2
E. SO4
The pickering series for the He+ ion corresponding to a series of transitions, in which electrons fall into the level with n=4. Find The longest wavelength transition of the pickering series in Angstroms
The overall reaction order for an elementary reaction always equals its molecularity however the overall reaction rate for multistep reaction can only be determined based on experimental data
Given the pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water. Find the pH of the resulting solution.
show the acid catalyzed enamine product formation from 2-butanone and diethylamine
What is the molarity (M) of a solution that contains 2.08 grams of NaOH (MM = 40.00 g/mol) in 79.65 mL of solution.
If a 180 mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.41.0 , what is the average thickness of the sheet in meters.
B2H6 + 3O2= B2O3+3H2O ; delta H=-2035 KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
Will the parietal pressure of SO3 increase, decrease, or remain the same? Be sure to support your answer with CLEAR calculation.
he worked up the reaction and isolated 2.4 g of MnCl2. What was his percent yield?
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 oC. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 oC
how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
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