What are the three ions and/or molecules found in pure water?

What is the mass of 3.6 x 10∧24 atoms of Zinc (Zn) ?

Aluminium oxide is used as a catalyst to speed up the reaction. Suggest another reason for using a catalyst. ?

A critical biotic factor in Yellowstone National Park is A) geographic isolation B) high elevation C) high temperature in the summer D) population of wolves E) proximity to water

The ksp of lead (ii) carbonate, pbco3, is 7.40 * 10-14. calculate the solubility of this compound in g/l.

How does adversity lead to change?

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.