prope Property Test to Perform/explanation Rub on white tile, observe the color of the powder left behind Moh's hardness scale - A0perform a scratch test (fingernail, penny, steel file) Find mass per unit volume Observe with a lens - number of faces and the angles in which they meet Hit it with a hammer - even break along parallel planes/flat surfaces Hit it with a hammer - uneven break/irregular - not along flat surfaces Observe with your eyes the color of the mineral outward appearance Observe with your eyes how the light reflects off of the surface

2b2t

explanation:

2b2t

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

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