Convert the Fe2O3 (3.79 wt%) and FeO (7.13 wt%) in the basalt to FeO*

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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)