If a(n) ___
ended question is too challenging, respondents will abandon the survey

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.

What substance has a mass of 9.5g and volume of 2.1cm^3

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?