What is the molar enthalpy of reaction for synthesis of PCl5(s) from phosphorus and chlorine? 2P(s) + 5Cl2(g) → 2PCl5(s)

2P(s) + 3Cl2(g) → 2PCl3(s) ΔH = −574 kJ

2PCl5(s) → 2 PCl3(s) + 2Cl2(g) ΔH = +157 kJ

(a) 366 kJ (b) 417 kJ (c) 444 kJ (d) 888 kJ

What is the formula that this ionic compounds could form sr2+p3-o2-

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream