Question #5 off of the attached picture

How do scientists think that gravity affected the formation of our solar system?

What type of energy conversion occurs when you place your feet near the fire place and they become warm

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity