Which object has a varying speed? a. a bird flying 10 m/s for 10 seconds b. a car slowing from 60 m/s for 10 seconds c. a fish moving at 2 m/s for 5 minutes d. a car traveling the speed limit

What happens to an isotope during radioactive decay?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal