Steam condenses into liquid water (the steam is the system). In this process Group of answer choices the heat leaves the system and is considered an endothermic process the heat enters the system and is considered an exothermic process the heat enters the system and is considered an endothermic process the heat leaves the system and is considered an exothermic process

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.