Thursday
December 12, 2013

# Posts by paul

Total # Posts: 704

Chemistry
Any idea on (a)?

Chemistry

Chemistry
(a) From 530 to 570. any ideas for b), c), and (d)?

math
25 is increase to 100 What is the percent of change?

math
percent of change 20 is decreased to 11. What is the percent of change?

English
In relation to A Shocking Accident, what word best describes Jeromes attitude about his fathers memory?

chemistry
what is the external pressur, if ethanol is boiling at a temperature of 70 degrees celsius

statistics
Consider a machine that fills soda bottles. The process has a mean of 15.9 ounces and a standard deviation of 0.06 ounces. The specification limits are set between 15.8 and 16.2 ounces. a)Compute and interpret the machine’s Cp b)Compute and interpret the machine Cpk c)Wha...

chemistry
At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr. What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 333 torr at 25°C?

Chemistry
Thank you DrBob222, the fraction left after t seconds is (1/2)^(t/1234) (1/2)^(t/1234) = 0.011 t = 8028.84

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