Hail is falling down from the sky at 50 miles per hour. Is this an example of speed, velocity or acceleration?

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?