How much heat is released when 15.0 grams of Cl2 reacts with P?
2 P + Cl2 → PCl5 ΔH = -886 KJ

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?

Which of the following is a way carbon enters the atmosphere volcanic activity photosynthesis deposition of settlement burial of biomass hep hurrryy