Subject:. Date:
8 a) vinyl
chloride C₂H₂ is prepared by the reaction of ethyne gas C₂H₂ with hydrochloric
acid, HCl.

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

Displacement is the slope of a velocity vs. time graph a. true b. false

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?