2 Which change of phase is exothermic? (A) H2O(s) → H2O(g)
(B) CO2(s) + CO2(2)
(C) H2S(g) → H2S(1)
(D) NH3(8) ► NH3(g)

What type of solution is formed if 10 g of kclo3 are dissolved in 100g of water at 30

How many moles of gas are present if p=11 atm, v=12l, t=185k?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?