top of page
Expert Chemistry, Biology, Physics and Math Tutoring Online and Bethesda,MD
646-407-9078
Search
What is the total pressure exerted by a gaseous mixture that consists of 8.00 g of 4) methane and 12.00 g of ethane, C2H6, in a 3.50 L container maintained at 35.20 °C?
What is the total pressure exerted by a gaseous mixture that consists of 8.00 g of methane and 12.00 g of ethane, C2H6, in a 3.50 L...
20 views0 comments
Which of the following gives a possible quantum number assignment for the last electron added to the sodium atom when developing the electron configuration using the aufbau principle?
Which of the following gives a possible quantum number assignment for the last electron added to the sodium atom when developing the...
15 views1 comment
How many mL of 6.00 M HCl(aq) solution are required to completely consume a 37.5 g sample of zinc metal (atomic weight = 65.39 g/mol) if the reaction is Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)?
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)? Solution: We need to use molar mass of Zn (given in the question) to find moles of Zn and then use...
17 views0 comments
Arrange the following in order of increasing first ionization energy
Ga, Br, Ne, K First ionization energy is the amount of energy needed to take off the outermost electron. First ionization energy...
4 views0 comments


Chapter 6: Complete Guide To Thermochemistry
Table of Contents Energy and Its Units Heat of Reaction Enthalpy and Enthalpy Change Applying Stoichiometry to Heats of Reaction...
83 views0 comments


Chapter 5: Complete Guide To Gases
Gas Pressure and Its Measurement Combined Gas Law The Ideal Gas Law Gas Density and Molecular Mass Gas Mixtures; Law of Partial Pressures...
173 views0 comments
Select the correct formula for the compound formed from potassium and selenium
a. KSe b. K2Se c. KSe2 d. K2Se3 e. K3Se2 Solution: Potassium is a metal and selenium is a nonmetal, making the compound ionic. To write...
6 views0 comments
Select the correct formula for the compound formed from radium and oxygen
a. RaO b. Ra2O c. RaO2 d. Ra2O3 e. Ra3O2 Solution: Radium is a metal and oxygen is a nonmetal, making the compound ionic. To write the...
15 views0 comments


Chapter 4: Complete Guide to Chemical Reactions (Precipitation, Redox, Neutralization)
Table of Contents Water, the Common Solvent Strong and Weak Electrolytes The Composition of Solutions, Molarity and Dilution...
113 views0 comments


Write the net ionic equation for the reaction between aqueous aluminum nitrate and aqueous ammonium
Write the net ionic equation for the reaction between aqueous aluminum nitrate and aqueous ammonium carbonate.
14 views0 comments
Looking for Chemistry Tutoring?
I tutor all levels of chemistry including general and organic chemistry.
bottom of page