Number of moles in 36 grams of Helium

The resource conservation and recovery act of 1976 has

The generic metal A forms an insoluble salt AB (s) and a complex AC5 (aq). The equilibrium concentrations in a solution of AC5 were found to be [A] = 0.100 M, [C] = 0.0160 M, and [AC5] = 0.100 M. Determine the formation constant, Kf, of AC5.

What is the name of this hydrocarbon? 2-butane 2-butene 2-butyne 4-butyne 4-propyne

Formation of a lipid bilayer is energetically favorable. how does this arrangement result in higher entropy for the system, and thus make bilayer formation energetically favorable? select one: a. fatty acid tails are highly saturated and flexible. b.

Two moles of propene (c3h6) gas react with nine moles of oxygen (o2) gas to produce six moles of carbon dioxide gas (co2) and six moles of water gas (h2o).

Which equations represent precipitation reactions? More than one can be chosen. A. Na2S + FeBr2 → 2NaBr + FeS B. MgSO4 + CaCl2 → MgCl2 + CaSO4 C. LiOH + NH4I → LiI + NH4OH D. 2NaCl + K2S → Na2S + 2KCl E. AgNO3 + NaCl → AgCl + NaNO3

The amount of massin a given volume of air is

What is the molarity of a solution that contains 612 grams of CaCl2 in 3.04 liters of solution? 1.81 M 201 M 5.52 M

What is the empirical formula for naphthalene

Explain why a piece of aluminum or magnesium can be used to remove tarnish, which is mostly silver sulfide, on silverware.