Cr₂ 07 ²+ Fe 2+ + 4t -> Cost + fest + 1420​

The boiling point of liquids is very high what does it indicate

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.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion