The heat curve shows temperature verses energy gain. Which parts of the curve represent a gain in potential energy?

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?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: