Two students are moving a heavy box down a hallway. Student A exerts a force of 30 Newtons on the box. Student B exerts a force of 15 Newtons in the same direction. a
2 Newtons

b
15 Newtons

c
45 Newtons

d
450 Newtons

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?