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Assume an organic compound has a partition coefficent between water and diethyl ether equal to 9.19. If there are initially 7.21 grams of the compound dissolved in 110.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ether?
We are asked to construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
An anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
The thermal decomposition of phosphate into phosphorous and molecular hydrogen is a first order reaction : 4PH3(g) -----> P(g) + 6H2(g), The half life of the reaction is 35.0 s at 680*c
You have 170. mL chlorine trifluoride gas at 669 mmHg and 45°C. What is the mass (in g) of the sample?
explain what would happen to the cell during the process of osmosis and why?
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
The Cl^- concentration in the water analysis given has been questioned. What concentration of Cl^- (mg/L) would make the cations and anions balance?
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 36.5 {rm g} of sodium upon decomposition. How much fluorine (in grams) was formed?
Predict the likely mode of decay for the following isotopes used as imaging agents in nuclear medicine (choose all likely modes od decay- can have multiple answers for each and may be used multiple times):
What would be the pressure of the gas, in kPa, if it were transferred to a container at 24°C whose volume is 55.0L?
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
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