What will be the freezing point of a solution of 8 moles of sodium dichromate (Na2Cr2O7) dissolved in 16 kg of water? You may need to use the following values:

Kb = 0.512 K/m

Kf = 1.86 K/m

272.2 K

275.8 K

2.8°C

270.2 K

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.