Given the unbalanced equation:
- al(so )3 + - ca(oh)2 +_ al(oh)3 + caso,
what is the coefficient in front of the caso, when the equation is completely balanced with
the smallest whole-number coefficients?
a. 1
b.2
c.3
d.4

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103