Consider the reaction ch4 + 2 o2 → co2 + 2 h2o exactly 14.5 moles of co2 are produced upon reaction of 34.6 moles of o2 and how many moles of ch4?
1. 65.2 moles
2. 14.5 moles
3. 34.5 moles
4. 29.0 moles
5. 16.3 moles
6. 17.3 moles

What diagram shows the ionic compound of magnesium oxide

What type of electromagnetic radiation has a shorter wavelength than blue light

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.