For the following equation:
h2 (g) + br2 (g) → 2hbr (g)
the k=3.5 x 104. what is the value of k for the following?
2hbr +
+ h2 (g) + br2 (g)

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

0.09 moles of sodium sulfate in 12 ml of solution