Please explain how you got the answer or just give me all of the enthalpy changes of the reactions

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Ground state electron configuration for element v

Asap a 50.0 ml soap bubble is blown in a 27.0°c room. it drifts out an open window and lands in a snow bank at -3.0°c. what is its new volume?