The Hubble Deep Field image illustrates and provides a visual aid when thinking about the size of the universe, the size of the cosmos, and the size of humans. Has this video changed your ideas about scale? If so, how? Your response should be 3-5 sentences minimum with justification for your answer.

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.