2 C8H18 + 25 O2 → 16 CO2 + 18 H20 How many grams of octane (C3H18) were burned to produce 2.35 grams of CO2? Answer with three decimals

In all living cells dna controls cellular activities by

Name the element in group 17, period 2. (periodic table)

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.