31.7 mL sample of vinegar is dissolved in 142.3 mL of water. What is the VOLUME of the solute? Be sure to include proper UNITS.

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)