Dr. Kent McCorkle, or "Dr. Kent' to his student, has helped thousands of students be successful in chemistry.
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[View the accompanying Lesson on Balancing Chemical Equations here.] [Download the accompanying PDF worksheet.] Balance the following chemical equations: 1. ___ Fe(s) + ___ H2SO4(aq) → ___ Fe2(SO4)3(aq) + ___ H2(g) 2. ___ NaC2H3O2(aq) + ___ H2CO3(aq) → ___ Na2CO3(aq) + … Read More
[Download the accompanying PDF worksheet.] Name the following ionic compounds: Na3P Cu2S Sr3N2 W(SO4)3 Fe(MnO4)3 Ti(BrO4)4 Mn2O7 Ca(NO2)2 PbSe2
[View the accompanying Lesson on Double Displacement Reactions here.] [Download the accompanying PDF worksheet here.] Predict the products and write balanced equations for the following double displacement reactions: 1. lithium carbonate + magnesium bromide → 2. iron(II) sulfate + sodium phosphate … Read More
[View the accompanying Lesson on the Metric System & Conversions here.] [Download the accompanying PDF worksheet.] Solve the following metric conversions: 1. 6.03 nm to pm 2. 84.70 ks to cs 3. 10.0 Tb to Mb 4. 5.71×102 mL to μL
[View the accompanying Lesson on Scientific Notation here.] [Download the accompanying PDF worksheet.] Convert the following numbers into scientific notation: 1. 192 Gs 2. 0.00478 fm 3. 50800 qt 4. 390.0200 K 5. 0.08200 µm 6. 4000 °F Convert the following … Read More
[Download the accompanying PDF worksheet.] 1. A bright orange, crystalline substance is analyzed and determined to have the following mass percentages: 17.5% Na, 39.7% Cr, and 42.8% O. Determine its empirical formula. 2. A sample of cisplatin is 65.02% platinum, … Read More
[Download the accompanying PDF worksheet.] Perform the following calculations, being sure to give the answer with the correct number of significant digits. How many atoms are in 8.21 g Li? What is the mass in grams of 4.17×1021 formula units … Read More
[Watch the Lesson on Molar Mass here.] [Download the accompanying PDF worksheet.] Solve the following problems: What is the mass in grams of 51.2 moles of trichlorine nonafluoride? What is the mass in grams of 3.00 moles of magnesium chlorite? How … Read More
[Download the accompanying PDF worksheet here.] Name the following ionic compounds, molecular compounds, and acids: Al2S3 H3PO3(aq) P2O5 Cu(OH)2 HClO4(aq) K2O (NH4)2CO3 HC2H3O2(aq) Ni(SO4)2
[Download the accompanying PDF worksheet here.] Determine the formulas of the following ionic compounds, molecular compounds, and acids: lead(II) chloride magnesium phosphate nitrogen triiodide hydrofluoric acid calcium nitride tin(IV) oxide dichlorine heptaoxide sodium hydrogen sulfate triantimony hexasulfide
