You are asked to make 12 moles of iron(Fe) from iron oxide and carbon monoxide. Fe2O3(s) + 3CO(g)→2Fe(l) + 3CO2(g)

Approximately how many moles of iron oxide(Fe2O3) is used?

Drug abuse will not lead to physical and psychological dependence. true or false ?

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.

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml