If 15.0 g CO2 (mm= 44.01 g/mol) has a volume of 0.30L at 27oC, what is the pressure in atm? Group of answer choices 27.97 atm 1230.9 atm 2.52 atm 325.0 atm

State two physical properties of ionic compound

In which of these cases are the two wave points considered to be in phase with each other?

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.