Isaiah Staley In a thunderstorm, lightning strikes the ground 3 km away from you. The speed of sound on a terribly hot day is 0.388 km/s. How many seconds will elapse before you hear the sound? Round to the nearest tenth of a second. S

100%sorry if i’m wronghope this good luck: )

Hydrogen is the most abundant element on the periodic table..hope it .

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na