# 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

- Does anyone know how to solve this problem?
- Calculate the Molality of sulphuric acid solution in which mole fraction of water is 0.85 ?
- How do I find the subatomic particles from these isotopes? Zn-32, Sn^+4, and Al. Thank you
- If a list of gas is provided, how to know which gas is the closest to ideal gas at STP (standard condition)?
- P+Naoh + H2O = PH3 + NaH2PO2 How to balance it?
- Concentration Measurement of Calcium Chloride?
- What is the smallest particle of water which can exist?
- How many joules are required to heat up a cup of water from 14.5°c to 99.0°c? 1cup=8ounces;1ounce=29.573ml;DH2O at 14.5°c=0.999174g/ml.can anyone help please and thank you.
- How can I easily memorize the important polyatomic ions and their charges?
- You have 150 grams of water at 25C and 40 grams of water at 50C. You mix them together in a calorimeter to find the final temperature of the mixture. Using your incredible math skills, calculate what the final temperature of the mix should be.?
- How many litres of liquid CCl4 ( d=1.5 g/cc) must be measured out to contain 10^25 CCl4 molecules?
- If 14.6 g if Nacl are dissolved in 250 ml of the solution. Molarity of solution will be?
- Explain, giving reasons for your answer, why Calcium is more reactive than Magnesium but less reactive than Sodium?
- What is the Aufbau Principle?
- What is Pauli's Exclusion Principle?
- A sample of hydrogen gas occupies 18.0L at STP. How many moles of gas are present?
- If 3.00 moles of h20 are produced, how many moles of oxygen must be consumed?
- Calculate the molarity of 1.60 L is solution containing 1.55 g of dissolved KBr?
- Initially there are 700 grams of a radioactive substance on hand. Suppose the half-life of the substance is 7 hours. Construct an exponential model A(t) = A0ekt for the amount remaining of the decaying substance?
- 4.65 L of nitrogen at standard pressure is compressed into a 0.480 L container. What is the new pressure in mm Hg?