Would you expect Penicillin G to show a Zone of Inhibition around its disk on a plate inoculated with E. coli ? Explain briefly ?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?