The Sun appears to move in the sky because A) Earth rotates on its axis
B)The sun resolves around Earth
C)the moon revolves around Earth

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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.

Determine the reaction and balance the following equations urgent due in the morning