What errors or inherent limitations (list two) of the procedure used in this lab might have changed the amount of limonene you have calculated to be present in orange rind as compared to the amount that would actually be extracted in an industrial facility?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?