In a lab, you find the mass of a sample of zinc to be 100 g. How many Zn atoms are in 100 g of zinc? Question 2 options:

6.02x1023 atoms

6.02x1025 atoms

1.00 atom

9.21x1023 atoms

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years