1. A 450.0 N metal block measures 10.0 cm by 20.0 cm by 5.00 cm. Determine the pressure exerted by the block on a table in N/cm² when it is placed on its side? Its end? Face down?

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.