Oxygen and hydrogen particles are kept in a container. Which of the following accurately describes diffusion of these gases

Write the chemical formula and Lewis structure of the following, each of which contains five carbon atoms: (a) an alkane (b) an alkene (c) an alkyne

Which of the following redox reactions do you expect to occur spontaneously in the forward direction under standard conditions? a. Ni (s) + Zn2 + (aq) →Ni2 + (aq) + Zn (s) b. Pb (s) + Mn2 + (aq) →Pb2 + (aq) + Mn (s) c.

Which of these is an element? A. carbon B. carbon dioxid C. water D. Air

Solutions that are acidic have a ___ concentration of H + ions and a ___ concentration of OH-ions. Solutions that are basic have a ___ concentration of OH-ions and a ___ concentration of H + ions.

Which must be a mixture of substances? 1. solid 2. liquid 3. gas 4. solution

A substance that permits the flow of electrons is a (n a. conductor b. insulator

If 1/8 of an original sample of krypton-74 remains unchanged after 34.5 minutes, what is the half life of krypton-74?

If a measurement is recorded as 1.2 cm what's the smallest marking on the instrument

Why do the ions in an ionic bond stay together, aka form the bond?

Is it ever possible to extract 100% of a compound from a solution? Why or why not?