Si la eficiencia de una máquina de calor es del 50% significa que ?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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.

The ammonia molecule in the diagram has the observed bond orientation because