With of the following describe a chemical change a) a metal fork was melted

b) a metal fork was cut in half

c) a metal fork became bent

d) a metal fork became rusted

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h

How does a coronal mass ejection (cme) affect the solar wind? a cme adds more particles to the solar wind, intensifying it. a cme blocks the solar wind, causing it to fade. a cme does not affect the solar wind but it does affect auroras. a cme increases the amount of energy in the solar wind.