Achef measures 50ml of cooking oil. the cooking oil has a mass of 43g. what is the density of the oil?

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?

Drive down any three characteristic of modern periodic table

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.