A power cycle generates 450 kJ of work, with a heat input of 2000 kJ at 420 K, and a heat loss of 1600 kJ at 300 K. Determine whether such a cycle is in keeping with the first and second laws of thermodynamics, and if the cycle is internally reversible, irreversible, or impossible.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not