Answer:
4.65 g x 1 mol/4.0026 g/mol = 1.162 mol helium
Explanation:
B, the opposing forces are the same, thus, the ball doesn't move back or forward.
Answer:
The process of elemental stratification relies on the diffusion velocity, which causes the migration of the different chemical elements within stars.
Explanation:
C. carbon
sodium is an
oxygen is o
cl is chlorine
The answer is: True.
The magnitude of a vector is represented by the length of the arrow.
The arrow length is drawn according a chosen scale.
For example, the diagram shows a vector with a magnitude of 100 kilometers, if the scale used for constructing the diagram is 1 cm = 10 km, the vector arrow is drawn with a length of 10 cm.
The arrow has an obvious tail and arrowhead. The arrow points in the precise direction.
