Which two of Earth's spheres interact when the rainfall in a region increases after a volcanic eruption? Biosphere and geosphere
Biosphere and hydrosphere
Geosphere and cryosphere
Geosphere andhydrosphere

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.