What happens to the rate of a reaction as the reaction progresses? O A. The rate decreases as reactants are used up.
O B. The rate increases as products are formed.
O C. The rate is constant until it suddenly drops to zero.
O D. The rate stays constant throughout the reaction.

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.

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block