2. What is the percent composition of sulfur in H2SO4?
CA. 98.1%
OB. 65.2%
O C.32.7%
D.2.1%

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?