Answer:
0.01395mol Cr2O3
Explanation:
the molar mass of Cr2O3 is 151.9904 g/mol
2.12g Cr2O3 x 1 mol/151.9904g = 0.01395mol Cr2O3
Whenever new evidence is discovered we must make changes in order to adapt theories to the current base of knowledge. If we were to simply never change any scientific theory, then they would likely no longer stand as factual credible pieces of information in the future.
Basic. solutions with a pH from over 7 to 14 are bases
Answer: as a relatively high boiling point high specific heat connotation adhesion and density
Explanation:
water molecules are polar so they form hydrogen bonds this gives water unique properties
The constant vibrations due to the grinding of the earths plates result in surface waves.