The formula for sodium sulfide is Na2S. explain what this formula means.

If I want to make 100.0 g of my own salt (because I can and that's how I roll), how much elemental chlorine would I need?

In a dilution, solvent is added to a given amount of a concentrated solution. What happened to the total concentration?

Imagine that you could hold two atoms that are bonded together, twist them, and not change the bond length. Would it be easier to twist (rotate) around a single σ bond or around a double σ plus π bond, or would they be the same?

Which does not affect chemical equilibrium

Use the drop‑down menus to label the given statements either true or false. a. Azo dyes are stable. b. Azo dyes are nontoxic. c. Most azo dyes are not used as food coloring. d. Leucoindigo is deep purple in color.

What organelle does the process of cellular respiration?

How much heat is absorbed during production of 127 g of NO by the combination of nitrogen and oxygen? N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

Which of the following is the result of the process that binds many amino acids on to another? a. protein b. allele c. dna d. rna

What does the electron transport chain do to the concentration of hydrogen ions (protons) ?

What is the cation name for alcl3?