Some common substances used in the laboratory are listed in the table. the chemical formulas of the substances are also listed beside their names. q: a. how many of the listed items are elements? a.3 b.4 c.5 d.6

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.

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.