Use the following equation to help you. The blackbody curve for a star named Theta is shown below. What is the surface temperature of this star rounded to the nearest whole number?

800 K
52,870 K
23,200 K
36,250 K

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.