1.4g of calcium oxide obtained by heating limestone was found to contain 0.4g of oxygen. another sample of 3.5g of calcium oxide obtained by direct combination of calcium and oxygen was found to contain 2.5g of calcium. show that data are in accordance with the law of definite proportion

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

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он