Tryptophan is an essential amino acid in the human body. What type of compound is tryptophan, CuH12N2O2?
A)lonic
B)Nitrogenous
C)Metallic
D)Covalent

As you move from right to left on the periodic table the atomic radius fill in the blank

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system