Which of these is a pure substance?

a. diamond

b. salt

c. ocean water

a

a and b

b and c

all of them

Sometimes, even with a wrench, one cannot loosen a nut that is frozen tightly to a bolt. It is often possible to loosen the nut by slipping one end of a long pipe over the wrench handle and pushing at the other end of the pipe.

Ca (OH) 2 is__ An acid A base A salt

Which expression should Trudy write? (6mp + 8mn) - mc - 14 (8mp + 6mn) - mc - 14 mp + mn - mc - 14 6mp + 8me - mc - 14

What layer is above the troposphere

The energy of an electromagnetic wave depends on its

Julia rides her horse 12 miles in 45 minutes. What is her average speed in mi/min? Show Your Work.

What happens to the inertia of an object of its mass is decreased?

An object has an acceleration of 24 m/s/s. How long would it take the stationary object to reach a velocity of 6.8 m/s?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic