You need to make 10.0 L of 2.0 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 5.0 L of it? O 4.8 M
O 1.0M
O 4.0M
O 25 M

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest