A24 liter tank contains ideal helium gas at 27 degrees c anda pressure of 22 atm. how many moles of gas are in the tank?
a) 76
b) 238
c) 17.5
d) 21.5
e) 138

The slope of a velocity time graph over any interval of time gives the during that interval

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?