If you have 4 moles of zinc and 4 moles of hydrochloric acid, which of these would be the limiting reactant?

A certain quantity of ammonium nitrite is separated into its polyatomic components, and each polyatomic ion is then carefully transferred and stored in an individual 100-Liter container.

CuCl2 + Al - - - > AlCl3 + Cu Balance the single replacement chemical reaction. A) CuCl2 + Al - - - > AlCl3 + Cu B) 3CuCl2 + 2Al - - - > 2AlCl3 + 3Cu C) 2CuCl2 + 3Al - - - > 3AlCl3 + 2Cu D) 3CuCl2 + 3Al - - - > 3AlCl3 + 3Cu

A sample of nitrogen goes from 21L to 14L and it's pressure increases from 100kPa to 150kPa. The final temperature is 300K. What was the initial temperature in Kelvins?

Greg's school has recently had a new gym floor put in. The old gym floor was made out of wood that was beginning to weaken. if the wood from the old gym floor was burned to generate electricity, what type of energy resource would it be? A. solar B.

This formula equation is unbalanced. Pb (NO3) 2 (aq) + Li2SO4 (aq) Right arrow. PbSO4 (s) + LiNO3 (aq) Which coefficient should appear in front of LiNO3 in the balanced equation? 1 2 3 4

Before oceanography was recognized as its own branch of science it was part of A. Physics B. Chemistry C. Geometry D. Natural science

For a chemical reaction to be spontaneous at all temperatures, which of the following conditions must be met? a. ΔS° > 0, ΔH° > 0 b. ΔS° > 0, ΔH° < 0 c. ΔS° < 0, ΔH° < 0 d. ΔS° 0 e.

What is a Binary Compound? Is it related to the Ionic and Molecular compounds? if so, how so?

Which answer correctly describes the difference between covalent and ionic bonds? A. ionic: transfer of protons covalent: transfer of electrons B. ionic: transfer of electrons covalent: transfer of protons C.

What are the first five elementsof the periodic table?