Name two pollutants common to large cities

Kw at certain temperature? at a certain temperature, the ph of a neutral solution is 7.53. what is the value of kw at that temperature?

Describe two parts of mitosis that are similar to meiosis

Which of the following is true about an atom of iron and an atom of copper? 1 They have different masses. 2 Both have the same properties. 3 They have an equal number of protons. 4 Both have different types of sub-atomic particles.

Which arrow represents an instance of potential energy being used to create a chemical bond? which arrow represents an instance of potential energy being used to create a chemical bond?

What is the coating, marked by arrows in the diagram shown, at the ends of the leg bones? White blood cells Rock Marrow Cartilage

Which part of the atom takes up the most space

At 1250 mmHg and 750C, the volume of a sample of ammonia gas is 6.8 L. What volume would the ammonia occupy at STP?

What physical state of matter is associated with the strongest attractive forces between particles (molecules, ions, or atoms) ?

Why is crushed ice used for snow cones

A gas mixture contains CO, Ar and H2. What is the total pressure of the mixture, if the mole fraction of H2 is 0.35 and the pressure of H2 is 0.58 atm?