To form an oxygen molecule to oxygen atoms share two pairs of electrons what kind of bond is shown below by the electron dot diagram of o2

Which item is not nucleophilic? a proton a carbanion an imidazole?

Determine the volume of hexane that contains 5.33 * 1022 molecules of hexane. The density of hexane is 0.6548 g/mL and its molar mass is 86.17 g/mol. Determine the volume of hexane that contains 5.33 * 1022 molecules of hexane.

According to the Clausius theorem, the cyclic integral of for a reversible cycle is zero.

Is it correct to say that only one observable change accompanies a chemical change?

The reaction for the combustion of acetylene is shown. Explain why this reaction is a redox reaction by identifying the oxidation numbers that change, what is oxidized, what is reduced, and what happens to the electrons during the reaction.

Which of the following choices will an atom of nitrogen (N) be most likely to bond with? A. 2 calcium (Ca) atoms B. 1 hydrogen (H) atom C. 3 lithium (Li) atoms D. 2 carbon (C) atoms

Explain why the lattice energy and the energy of crystallization of a substance differ in sign but are equal in magnitude.

barium chloride (Ba (CIO3) 2) breaks down to form barium chloride and oxygen. what is the balanced equation for this equation?

What might happen to the sickle-cell mutation if malaria in Africa were eliminated?

If a substance conducts heat easily, it is considered to be a