Asolution of rubbing alcohol is 75.7 % (v/v) isopropanol in water. how many milliliters of isopropanol are in a 87.7 ml sample of the rubbing alcohol solution?

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.