Show the calculation of the heat involved in converting 30 grams of steam at 110oC to 30 grams of ice at -20 oC. ∆Hfusion = 0.334 kJ/g; ∆Hvapor = 2.26 kJ/g; c (water) = 4.184 J/g oC; c (ice) = 2.09 J/g oC; c (steam) = 1.86 J/g oC

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

What state of matter is ice a. liquid b. element c. solid d. gas

Element before carbon on the periodic table