The experiment that shot heavy particles at a thin sheet of gold foil was responsible in leading to the discovery of the
a. atom.
b. neutron.
c. electron.
d. nucleus.

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.