What is the half-life for a first-order reaction that has a rate constant of 2.3x10^-4 s^-1

Your answer should have the same number or significant figures as a he starting measurement. 3201 ml =

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

What best discribes the relationship between wavelength and frequency in a electromagnetic wave