When comparing the ir spectra of the two compounds below, what absorption(s) would allow you to distinguish the compounds? hc≡cch2n(ch2ch3)2andch3(ch2)5c≡n strong, broad peak at 3600−3200 cm−1 medium peak at 3500−3200 cm−1 medium peak at 3300 cm−1 medium peak at 3150−3000 cm−1 strong peak at 3000−2850 cm−1 medium peak at 2250 cm−1 strong peak at ~1700 cm−1 medium peak at at 1650 cm−1 medium peak at 1600, 1500 cm−1 no distinguishing peaks

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)

What three things does a balanced equation show you?