What mass of sodium hydroxide is needed to make 12.5 L of a 0.150M solution? a) 1.88g
b) 40.0g
c) 75.0g
d) 83.0g

Which type of reaction always has an element and a compound as reactants

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.

How do i turn 2 s into one in the products