Describe how to prepare the following solutions using solid sodium iodide, liquid water and common laboratory equipment (balance, spatulas, volumetric flasks, pipets, beakers, etc)

a) 200ml of 0.16m nai
b) 200ml of 0.16m nai
c) 200ml of o.16% mass nai

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options: