Amolecule of carbon dioxide is made up of 1 atom of carbon and 2 atoms of oxygen. which of the following represents 2 carbon dioxide molecules?

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

What is a metal replacement reaction