# 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

Given the equation #2H_2O ->2H_2 + O_2#, how many moles of #H_2O# would be required to produce 2.5 moles of #O_2#?

If 2.112 g of #Fe_2O_3# reacts with 0.687 g of #Al#, how much pure #Fe# will be produced in the reaction #Fe_2O_3(s) + 2Al(s) -> Al_2O_3(s) + 2Fe(s)#?

Electrodeposition of copper: what mass of copper can be deposited in 1.00 hr by a current of 1.62 A?

What is Le Chatelier's principle for systems in equilibrium?

What is activation energy? How is it related to the collision theory?

What compound is #V_2SO_4#?

What is most of the matter around you is in the form of (elements, compounds)?

If #[H_3O^+]-=10^(-10)*mol*L^-1#, what is #pH# of this solution?

What is the molality when 0.15 mol SO2 is dissolved in 100 ml water? Remember 1 ml of water = 1 gram of water)

What is the molarity of a NaOH solution if 28.50 mL are needed to titrated a 0.7154 g sample of KHP?

What is the oxidation number of phosphorus in the compound #"PCl"_5"#?

What is the empirical formula of something that is made of 31g of phosphorous and 35g of Cl?

How many grams of gold should a coin of 35% gold be if when combined with a 3 grams pure gold necklace, it forms a metal that is 69 % gold?

What is the combined number of protons and neutrons called?

The gases in a hair spray can are at a temperature of 27 C and a pressure of 30 kPa. If the gases in the can reach a pressure 90 kPa, the can will explode. To what temperature must the gases be raised in order for the can to explode?

What is the density of a substance with a mass of 5 g and a volume of 10cm^3?

How many kilojoules of heat are required to melt 325 grams of ice?

How many milliliters of a 2.5 M #MgCl_2# solution contain 17.5 g #MgCl_2#?

How do we find the densities of the following solvents if.....?

How many total moles of #KNO_3# must be dissolved in water to make 1.5 liters of a 2.0 M solution?