Asolid substance has a vapor pressure of 100 mm hg at the melting point (100 °c).
assuming an atmospheric pressure of 760 mm hg, describe the behavior of this solid as the temperature is raised from room temperature to its melting point.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

An atom that gains or loses one or more electrons is called a(n)