A gem that has a mass of 45.0 g. When placed in a graduated cylinder containing 20.0 mL of water, the water level rises to 34.5 mL

Metallic bonds are good conductors of electricity true or false

How many grams of n2h4 will be consumed by 23 g of n2o4

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.