Im and idiot and cant figure it out. Calcium oxide reacts with carbon with the following chemical reaction.

CaO + 3C → CaC2 + CO

Which statements about CO are correct?

Select all that apply.

1. CO will have similar chemical properties to CaO.

2. CO is likely to have different chemical properties than CaO.

3. CO will have similar chemical properties to CaC2.

4. CO is likely to have different chemical properties than C.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.