Name three different archaebacteria and eubacteria?

What is mouth describe itself

How many moles of carbon is 5.10 * 10^25 atoms of carbon

At room temperature, the surface tension of water is 72.0 mJ·m-2. What is the energy required to change a spherical drop of water with a diameter of 1.

The maximum allowable concentration of lead in drinking water is 9.0 ppb. (a) Calculate the molarity of lead in a 9.0-ppb solution.

Find the total number of atoms in a sample of cocaine hydrochloride, c17h22clno4, of mass 23.0 mg.

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.