The hydrocarbon used to manufacture foam plastics is called styrene. analysis shows composition to be 92.25% c and 7.75% h. analysis also shows a molar mass of 104g/mol. determine the empirical and molecular formula for styrene.

Distinguish between a transverse wave and a longitudinal wave.

During spring semester at mit, residents of the parallel buildings of the east campus dorms battle one another with large catapults that are made with surgical hose mounted on a window frame. a balloon filled with dyed water is placed in a pouch attached to the hose, which is then stretched through the width of the room. assume that the stretching of the hose obeys hooke's law with a spring constant of 89.0 n/m. if the hose is stretched by 5.80 m and then released, how much work does the force from the hose do on the balloon in the pouch by the time the hose reaches its relaxed length? unitst 3 number-1497 the tolerance is +/-5% open show work click if you would like to show work for this question:

Ineed the answer to question 1 , i’m desperate