Agroup of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s. which best explains why the object will not successfully orbit earth?

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

The lewis diagrams for magnesium and fluorine are shown below. what is the correct chemical formula for magnesium fluoride? a. mgf b. mg2f c. mgf2 d. mg2f3