A student measured the pressure of the gas contained in a tank at 646 mmHg. What is this pressure in atmospheres? a. 0.85 atm c. 1.2 atm
b. 1 atm d. 646 atm

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

Helium decays to form lithium. which equation correctly describes this decay?

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!