If you pick a rock up off the ground, What if the action force?

A) the normal force

B) your hand pulling up on the rock

C) the rock pressing down on your hand

D) friction between the rock and your hand

Which of the following is not an example of prediction?

A compound contains only c, h, and n. it is 58.51% c and 7.37% h by mass. helium effuses through a porous frit 3.20 times as fast as the compound does. determine the empirical and molecular formulas of this compound.

staci is attending a music festival. the ticket to the festival costs $87.96, Staci pleans to purchase $30.00 t-shirts from the event to close friends. she is taking $200.00 to the festival. what is the maximum number of t-shirts staci can purchase?

The water softener discussed here relies on precipitation softening also known as ion exchange. based o hte reactants used, what ions would remain in the softened water thaat would be consumed buy the homeowners

Apumpis used toraisethe pressure of a fluid, and it operatesby converting the mechanical shaft work to mechanicalenergyof the fluid flow. A gasoline pump is measured to consume 3.5kW ofmechanical shaftpower when operating.

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people

How do compounds affect an atom's stability

You need to make 10 mL of 2 mg/ml solution of protein and you have 25 mg/mL solution. How much protein solution and water do you need to mix in order to make the required solution?

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container