The complete combustion of ethanol, c2h50h (fw = 46.0 g/mol), proceeds as follows: c2h50h(l) + 3 02(g) → 2 c02(g) + 3 h20(l) llh = -555 kj what is the enthalpy change for combustion of 4.0 moles of c2h50h?

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.