How many grams of solid lithium must be added to liquid water in order to obtain 15.0l of hydrogen gas at stp? 2 li + 2h2o → 2lioh + h2

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5