Suppose you have a mixture of the three pictured compounds, phenacetin, acetaminophen and aspirin. A TLC plate showed three spots with Rf values of 0.1, 0.2, and 0.3 in 9:1 hexanes:ethanol. Which compound would have the highest, middle and lowest spot respectively? Provide reasoning for your answer.

What is the formula that this ionic compounds could form sr2+p3-o2-

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these