calculate the specific heat capacity for a 22.7 g sample of lead absorption 237 J when its temperature increases from 29.8°C to 95.6°C

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

If an atom has 12 protons and 13 neutrons

How does science use models to gain a better understanding of concepts?