The standard hydrogen electrode is A. used to calibrate voltmeters. B. used to produce a set of standard reduction potentials. C. needed to activate electrochemical cells. D. often overlooked in measuring standard reduction potentials. E. used to produce a standard cell potential of exactly 1 V.

Why are people not able to scuba dive in the deep part of the ocean

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.