Calcium carbonate can decompose into calcium oxide and carbon dioxide: CaCO3(s) ⇄ CaO(s) + CO2(g) Assuming that ΔH and ΔS are independent of temperature, at what temperature will solid CaCO3 and solid CaO be in equilibrium with 1.0 atm of CO2? ΔH°f (kJ/mol) S° (J/mol⋅K) CaO(s) -635.1 39.8 CaCO3(s) -1206.9 92.9 CO2(g) -393.5 213.8 298 K 150 K 948 K 1110 K 635 K

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Hey can you me with this i really need y’all

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.