Two pieces of iron at the same temperature but with the different masses - 500 g and 1000 g -
both have 4.5 kJ of energy added to them. Which would be warmer and why? (Must show
mathematical evidence to support your answer!)

Which of these conditions most likely produces an unstable isotope?

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6