Math
P1V1/T1=P2V2/T2 combined gas law 1.0atm*0.50L/298K=5.0atm*0.50L/T2 Can you help me to go from this step to the solution?
College Chemistry
How many pounds of propane,C3H8, if you pay $20 for a 15L cylinder, filled to 150 psi at 25 degrees C.
College Chemistry
Calculate temperature when 0.50L sample or gas at 1.0 atm and 25degrees C is compressed to 0.05L of gas at 5.0 atm.
College Chemistry
The previous questions that I submitted are still unclear to me as a plug and chug approach does not help me at all. Can you please explain better?
chemistry
The hydornium ion concentration in blood of three different patiens was: Patient [H30+] A 5.0 X 10^-8 B 3.1 X 10^-8 C 3.2 X 10^-8 What is the pH of each patient's blood? If the normal range is 7.30-7.50, which, if any, of these patient's have an abnormal blood pH?
College Chemistry
Calculate both [H30] and [OH-] for a solution that is: pH=5.50 ph=7.00
Chemistry
Calculate [H3O] for a solution of hydrochloric acid that is: pH=2.00 pH=3.00
College Algebra
An amount of $500 was invested in 1970 and the investment grew as shown in the following table. The average rate of change of the investment between 1975 and 1980 is ___ per year. Year 1970 1975 1980 1985 Capital 500 966 1856 3578
statistics
Can people really identify their favorite brand of cola? At a= .05, is the correctness of the prediction different for the two types of cola drinkers? Since it is 2 x 2 table, try also a two-tailes two-sample z test for n1 = n^2 and verify that z2 is the same as your chi-squar...
statistics
Hearing levels or!@#$%^&pit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours. Noise level is described as Low=under 88 decibels, Medium=88-91 decibels, High=92^decibels. At a = .05, is the!@#$%^&pit noise level independent of ...
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