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Physical Chemistry
How many calories does it take to heat 1 gram of gaseous Krypton?
Physical Chemistry
Most of the volume occupied by a piece of copper is taken up by the volume of the copper nuclei. True or false?
Physical Chemistry
in the periodictable, the number 92 above the symbol U(uranium) represents what?
Physical Chemistry
We are requested to estimate the mean concentration of the 222Ra gas near a uranium treatment plant for the month of July. A total of 10 measurements 1x , 1x ,… 1x were taken during the month of July 2011. Each measurement represents a duration of 24 hours and started at 6h00AM. The 10 days for which the sampling took place were selected randomly among the 31 days of the month. The measurements are listed below:
1450, 1510, 1480, 1680, 2130, 2110, 1010, 1290, 1150 and 1300 (units of pCi/day).
Provide an estimate of the mean concentration of the 222Ra gas near the plant and the standard deviation of the mean for the month of July.
1450, 1510, 1480, 1680, 2130, 2110, 1010, 1290, 1150 and 1300 (units of pCi/day).
Provide an estimate of the mean concentration of the 222Ra gas near the plant and the standard deviation of the mean for the month of July.
Physical Chemistry
Determine the mass of 7.8 x 10^23 atoms Cl
Physical Chemistry
(a. in the equilibrium 2SO2 =2SO2 +O2 AT 1000K and A TOTAL PRESSURE of 745mm,Hg; SO3 has a mole fraction of 0.338 and SO2 as a mole fraction of 0.309. calculate the equilibrium constant for this reaction.
Physical Chemistry
If the electrode reaction reversed , the sign of the electrode potential change is it correct ? pls answer
Physical Chemistry
Can I write the rate of reaction in fast step
Physical Chemistry
why KMnO4 is not use as primary standard substance
Physical Chemistry
Suppose that 32.9 mL of 0.479 M NaCl is added to 32.9 mL of 0.331 M AgNO3.
(a) How many moles of AgCl would precipitate?
(a) How many moles of AgCl would precipitate?
