Measure the voltage of the led, and the voltage of the resistor. what are these values? what do they add up to? does this make sense from the introduction to this lab?

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Could someone me find the answer to this problem.