Calculate the amount of heat needed to melt 80.1 g of solid hexane (C6H14) and bring it to a temperature of -90.5 °C. Be sure your answer has a unit symbol
and the correct number of significant digits.

Which of these conditions most likely produces an unstable isotope?

What is i fracture in the crust called when land move up, down or sideways

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.