Mateo Aguilar
Chemistry teacher | Experienced educator in USA
I'm a Chemistry graduate from Macalester College, passionate about unraveling the mysteries of science. With a solid foundation in chemistry, I thrive on demystifying complex concepts and fostering a deep understanding among my students. My journey at Macalester has equipped me with invaluable skills to engage learners across various subjects. Whether it's stoichiometry or organic chemistry, I aim to cultivate a dynamic learning environment where curiosity flourishes. Through personalized guidance and interactive sessions, I empower students to embrace the wonders of science and excel in their academic pursuits. Let's embark on a transformative learning journey together.
Questions
The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. How would you calculate the mass of 17.4 mL of the liquid?
#"Solute 1"#, #"S1"#, has a molecular mass of #40.0*g*mol^-1#...what is...?
Are reactivity series the same as metal activity series?
What are examples of homogeneous and heterogeneous mixtures?
What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom?
A graduated cylinder contains 225 mL of water. What is the new water level affer 30.2 g of silver metal with a density of 10.5 g/mL is submerged in the water?
Why were alpha particles deflected by the Rutherford's gold -foil experiment?
If one molecule of hemoglobin contains 4 iron atoms, and they constitute #0.335%# by mass of hemoglobin, what is the molar mass of hemoglobin?
What is the molar quantity of oxygen given a #3.42*mol# quantity of #Co(ClO_4)_2*6H_2O#?
How many moles of water can be produced from the reaction of 28 g of #C_3H_8#?
If 1.93 * 10^-3 mol of argon occupies a 65.8-mL container at 20 degrees Celsius, what is the pressure (in torr)?
Particles have an orderly arrangement in which type of solid?
Can you explain the significance of Rutherford's gold foil experiment?
When 150 #cm^3# of water freezes, 162 #cm^3# of ice is formed. How do you calculate the percentage increase in the volume?
How can I calculate dilution concentration?
For the gas-phase reaction #"OF"_2(g) + "H"_2"O"(g) -> "O"_2(g) + 2"HF"(g)#, the nonzero enthalpies of formation are #23.0#, #-241.8#, and #-"268.6 kJ/mol"#, respectively. What are the #DeltaH_(rxn)^@# and #DeltaU_(rxn)^@# in #"kJ/mol"#?
Is making glue an example ot a chemical change or a physical change? How do you know?
What is the arrangement of atoms at the peak of an energy barrier?
What is the formula mass for #Al_2(C_2O_4)_3#?
In reaction: 2H₂O(g)⇌2H₂(g)+O₂(g); ∆H=+242 kJ/mol In which direction the equilibrium shifts, if: a. Temperature is increased? b. Temperature is descreased? c. H₂ is added? d. O₂ is reduced? e. Pressure is enlarged?