Because you were trained well in CHEM 102 before leaving earth, you know that butane is supposed to boil at 272 K. However, upon exploring the properties of the ocean, you find that it actually boils at 280 K. Explain why in 25 words or less.

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?