A particular reactant decomposes with a half‑life of 103 s when its initial concentration is 0.349 M. The same reactant decomposes with a half‑life of 215 s when its initial concentration is 0.167 M. Determine the reaction order.

2

0

1
What is the value and units of the rate constant for this reaction?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

What are the similarities of physical and chemical change ?