If you were asked to convert 3.5 moles of aluminum to grams, which of the following should you use for the conversion? . select one: . a. fraction: 6.022 times 10 superscript 23 atoms al over one mol al atoms. b. fraction: 26.981 g al over one mol al. c. fraction: 13.0 g al over one mol al. d. fraction: 6.022 times 10 superscript 23 atoms al over 26.981 mol al atoms.

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.

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy