Initially a beaker contains 225.0 ml of a 0.350 m mgso4 solution. then 175.0 ml of water are added to the beaker. find the concentration of the final solution. what is the final volume?

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.

Which substance has non polar covalent bonds

Which of the following units is not an official si unit