Select the coefficients that should be placed in front of each molecule, from left to right, to balance the following reaction. C2H6(g) + O2(g) → CO2(g) + H2O(g)

Draw the Lewis structure of OF2 on a scrap sheet of paper, apply VSEPR theory and answer the following questions: a) Total number of valence electrons. [a] valence electrons b) Number of lone pairs on central atom. [b] lone pairs c) Molecular Geometry. [c] shape d) Polar or Nonpolar. [d] molecule d) Hybridization of the central atom. [e] 

Which of the following are the correct total equation, ionic equation, and net ionic equation of the reaction shown below (Check all that apply). MgSO4(aq) + Na2CO3(aq) →

Predict whether the following compounds are soluble or insoluble in water. a) Cu(NO3)2  – [a] b) BaCrO4 – [b] c) NH4Cl – [c]

Select the nonpolar molecule.

What are the bond angles around a central atom with sp3 hybridized orbitals?

Predict whether the following compounds are soluble or insoluble in water. a) PbI2  – [a] b) Fe(OH)3 – [b] c) Ag2S – [c]

Predict whether the following compounds are soluble or insoluble in water. a) PbSO4  – [a] b) Fe(OH)3 – [b] c) (NH4)2S – [c]

Determine whether the following reaction is a redox reaction. If it is, identify the element that is oxidized, the element that is reduced, the oxidizing agent, and the reducing agent. Zn(s) + 2HCl(aq) → ZnCl2(s) + H2(g)

Which of the following are the correct total equation, ionic equation, and net ionic equation of the reaction shown below (Check all that apply). K2SO4(aq) + Ca(NO3)2(aq) →