Air is compressed from 2.8 l, 17 degree c and 95 kpa to 0.41 l inside a piston-cylinder device. the compression is reversible and adiabatic. r_air = 0.287 kj/kg. k. using variable specific heat analysis, determine: a. the temperature after compression, in k. b. the pressure after compression, in kpa. c. the work done on the system, in kj.

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?