What is the ph of a solution prepared by mixing 50. 00 ml of 0. 10 mol l-1 methylamine, ch3nh2, with 20. 00 ml of 0. 10 mol l-1 methylammonium chloride, ch3nh3cl? assume that the volume of the solutions are additive and that kb = 3. 70 × 10-4 for methylamine.

If you measure your shoe size would it be considered qualitative data?

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its