What type of chemical reaction is 4Si2H3 + 11O2 ---> 8SiO2 + 6H2O?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Can someone me with questions 15 to 17 plz.

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.