What are the key requirements for a good hypothesis?

What is the purpose of using dry ice to cool the cloud chamber

How does the energy of the activated complex compare with the energies of reactants an products? a. It is lower than the energy of both reactants and products. b. It is lower than the energy of reactants but higher than the energy of products. c.

How many neutrons and protons (nucleons) does an atom with thesymbol S have? A. 33 B. 16 C. 49 D. 17 E. none of the above.

Why does a hot air balloon rise when the air inside it is heated

What gender are the blues from angry birds

Janais lives near the ocean. How do earth, the sun, and the moon interact to affect Janais's life?

One difference between strong bases and weak bases is 1. strong bases can neutralize more acid than weak bases. 2. strong bases release more hydroxide ions than weak bases. 3. only strong bases can be amphiprotic. 4.

A mixture of 0.10 mol of NO, 0.050 mol of H2, and 0.10 mol of H2O is placed in a 1.0-L vessel at 300 K. The following equilibrium is established: 2NO (g) + 2H2 (g) ⥫⥬==N2 (g) + 2H2O (g) At equilibrium [NO]=0.062M.

Which statements accurately describe the polarity and electronegativity of water?

Which of the following could lead to static discharge? water molecules sticking together at a surface the force of gravity pulling an object to Earth a vibration compressing molecules of air the build up of electrons on the atoms of an object