21 POINTS HELP !! For each of the following formulae, infer the kind of and number of atoms.
a. Nitrogen N2
b. Phosphorus P4
c. Glucose C6H12O6
d. Sulphur dioxide SO2
e. Ethanol C2H5OH

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

What properties of a moving object are used in determining the object's energy of motion

Which subatomic particle has a negative charge