She slams her fist onto the calculator with 8000 j of KE. If she moved her arm at 3 m/s, what is the mass of her fist?

Why is CN considered a weak base if its the conjugate base of a weak acid?

Which equation represents the reduction half-reaction for this redox equation? Ca + Al (NO3) 3 Al + Ca (NO3) 2

In which stage of the cell cycle does the division of the nucleus occur?

What is the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65% oxygen?

a sample of gas under 3K Pa pressure has a volume of 13 L at 56.12 Kelvin. if the pressure is increased to 70 kPa the volume would decrease to 7 liters what would be the new temperature

Determine the number of moles 1) 20g Na and 2) 34g H2O

Nitrogen dioxide (NO2) gas and liquid water (H2O) react to form aqueous nitric acid (HNO3) and nitrogen monoxide (NO) gas. Suppose you have 5.0 mol of NO2 and 11.0 mol of H2O in a reactor. Suppose as much as possible of the NO2 reacts.

How long does it take the Earth to rotation and revive

What is Charles' law formula?

Which stars have the highest absolute brightness? Select one: a. Supergiants b. Giants c. Yellow stars d. Dwarfs