Which formula equation represents the burning of sulfur to produce sulfur dioxide?

O S (s) + O2 (9) A, 502 (9)

O 2H2S (s) + 302 (0) - 2H2011) + 2502 (9)

O 4FeS2 + 1102 - 2Fe2O3 + 8502

O 2502 (g) + O2 (g) _V205, 2503 (9)

An aqueous magnesium chloride solution is made by dissolving 6.92 6.92 moles of MgCl 2 MgCl2 in sufficient water so that the final volume of the solution is 2.00 L 2.00 L. Calculate the molarity of the MgCl 2 MgCl2 solution.

A metal ion with a net + 1 charge has ten electrons in the 3d subshell. How do I identify the metal?

Calculate the number of pounds of CO2 released into the atmosphere when a 15.0-gallon tank of gasoline is burned in an automobile engine. Assume that gasoline is primarily octane, C8H18, and that the density of gasoline is 0.

The half-life of isotope X is 3 days, how long will it take for one half of 10g sample to decay

In your own words what is equilibrium?

6. Which atomic particle has a positive (+) charge?

One reason ionic compounds do not dissolve well in nonpolar solvents is that ___. a. ion-solvent interactions are not strong enough to solvate the ions in solution. b.

Muscles undergo fermentation when no carbon dioxide is available. no oxygen is available. no pyruvate is available. no water is available. no atp is available.

Which of the following is evidence of a chemical change? phase change the formation of a gas mass change change in surface area

Spasmolytics can be used to treat