Mateo Aguilar

Macalester College

Chemistry

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

If the no.of protons of an element is 8 and no.of neutrons are also 8. Write the notation of that element?
Which of the following substances has only one type of atom? A. Water B. Salt C. Sand D. Oxygen
One of the hydrides of boron has molar mass=122.22g/mol and is 11.55% by mass hydrogen. Determine its molecular formula?
What is the molar concentration of an aqueous solution of sodium chloride that is #13.0%# concentration by mass, and has a density of #rho=1.10*g*mL^-1#?
What is the maximum temperature of the water in the insulated container after the copper metal is added? (also steps on how to solve this problem please)
You need to make a #1# #mu"M"# solution from a 1.0 M stock solution. If you start with 1.0 mL of the stock solution: (a) How much solvent is needed to make a solution with the needed concentration in one dilution. (b) How much solvent will be needed?
Is there any relation between kinetic energy and velocity of gas molecule?
Do all the molecules of a gas at a given temperature have the same kinetic energy?
What is the original molarity of a solution of a weak acid, given Ka and pH?
If 1.87 g of acetic acid (CH3CO2H) reacts with 2.31 g of isopentyl alcohol (C5H12O) to give 2.64 g of isopentyl acetate (C7H14O2), what is the percent yield of the reaction?
In the Cr3+ ion,how many electrons have n+1=4 and ms=-1/2?
How are ferrous ion and ferric ion formed from iron atoms?
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 9.50 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP= 30.8 J/(K·mol)
Explain the effect of acids on methyl orange and litmus paper?
What is the chemical formula of ionic compound for CaF2?
Hi, I really need help. I done a Charles law experiment in class, but my numbers are not correct. Professor says it needs to be within 10%. Please change calculations so it is 10% THANK YOU?
In a row in the periodic table as the atomic number increases the atomic radius generally?
How many molecules are in 8.50 moles of H2O?
What is Iodine-131 nuclear decay series?
What’s the protocol for 400mL of 0.8M NaCl? Any help would be much appreciated!