Answer:
gas
Explanation:
7 meters per second was her speed
5000
Answer: im pretty sure its D
Answer:n = PV/RT = 0.923 atm x 0.250 L / (0.082057 x 290.75 K) . n = 0.00967. mole 0.00967 mole x 6.22x10^23 molecules/mole = 6.02x10^21 molecules of gas