According to the reaction below, 8.542 g of magnesium react in highly concentrated hydrochloric acid solution. After the reaction is complete, 20.5 g of magnesium chloride is measured. What is the percent yield?Mg(s) + 2 HCl(aq) → H2(g) + MgCl2(s)  Use the Periodic Table. Show your work.

For the following reactants Aluminum iodide (aq) + calcium nitrate (aq) yield –> 1) Predict the products using the solubility table (below) as needed 2) Write the correct chemical FORMULAS for the products with phases or No Reaction 3) BALANCE the reaction Solubility Rules.png

(10 pts) Why do we use isobaric charts instead of charts at a specific elevation to analyze upper-level features in synoptic meteorology?

According to the following chemical reaction, how many grams of sodium carbonate can be made from 10.3 kg of sodium hydroxide? 2 NaOH + H2CO3      —>  Na2CO3   +2 H2O Use the Periodic Table. Show your work. 

The end point in a titration of a 45.00-mL sample of potassium hydroxide was reached by addition of 27.90 mL of 2.15 M phosphoric acid. The titration reaction is:H3PO4(aq)  + 3 KOH(aq)  ⟶ K3PO4(aq) + 3 H2O(l)What is the molarity of the base? Show your work.

Name the following:  Fe[AlCl6]

Choose the incorrect statement(s) about transition elements(I) The lower oxidation states usually form covalent compounds(II) The higher oxidation states usually form basic metal oxides(III) Transition metal ions are good Lewis acids(IV) The transition metal center supplies one or more pairs of electrons that form coordinate covalent bonds in coordination compounds

According to valence bond theory, what would be the set of hybrid orbitals used in the complex ion [Ni(CN)4]2‒ ?

Which of these ligands can participate in linkage isomerism?   I. NO2−   II. NO3−    III. SCN−

A galvanic cell has the overall reaction: 2 Fe(NO3)2(aq) + Pb(NO3)2(aq) → 2 Fe(NO3)3(aq) + Pb(s) Identify is the half reaction that occurs at the cathode?