Luna Chen
Chemistry teacher | Verified Expert
With a passion for chemistry ignited during my studies at Hampton University, I'm dedicated to illuminating the intricacies of this fascinating subject. Armed with a comprehensive understanding, I guide students through the complexities of chemistry, fostering a deep appreciation for its principles. With years of experience and a commitment to excellence, I provide personalized assistance tailored to each student's needs. Together, we unravel the mysteries of atoms, molecules, and reactions, transforming challenges into triumphs. Join me on a journey of discovery and mastery in the captivating world of chemistry.
Questions
Can you see water molecules? Are water molecules moving?
#"20.0 mL"# of glacial acetic acid (pure #"CH"_3"COOH"#) is diluted to #"1.30 L"# with water. The density of glacial acetic acid is #"1.05 g/mL"#. What is the pH of the resulting solution?
How would we write the equation between #Na_3PO_4# and #Pb(NO_3)_2#, given #17.3*g# of the former, and #12.4*g# of the latter?
What is an oxyacid?
How many atoms are in 4.93 moles #HCl#?
What is the part of the experiment that is changed on purpose?
In the chemical equation # H_2 + Cl_2 ->2HCI# , what are the mole ratios?
What is the electron configuration of Li+?
How does metallic character change across a period?
How does Bohr's model of the atom differ from Rutherford's?
Entropy plays a larger role in determining the Gibbs energy of reactions that take place at what?
What is the compound in CuO?
What is the #"molality"# of a #10*g# mass of salt, whose formula mass was #36.46*g*mol^-1#, that is dissolved in a #100*g# mass of solvent?
What is 8200 #N##/m^2# expressed in kilopascals?
What are substances that dissolve in water to form solutions that conduct electricity called?
How do you convert 4.00 moles of #N_2# to liters?
What are common mistakes students make with molarity?
Acetylene is used in blow torches, and burns according to the following equation: 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(g) Use the following information to calculate the heat of reaction:?
How many moles is 135 L of ammonia gas at STP?
A #"25.0-mL"# sample of #"0.150-mol L"^(-1)# acetic acid is titrated with a #"0.150-mol L"^(-1)# #"NaOH"# solution. What is the #"pH"# at the equivalence point?