Pellets of calcium chloride are spread on a sidewalk covered in water that is 36 degrees celcius. under which circumstance will the calcium chloride dissolve faster

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium