# 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

What is the correct formula for barium chlorate?

A helium balloon has a volume of #"2600 cm"^3# when the temperature is #21^@"C"#. What is the volume of the balloon after it’s placed in a freezer with a temperature of #-15^@"C"#?

What is the geometry of the #"manganate ion"#, #MnO_4^(2-)#?

When seawater evaporates, the concentration of salts increases until what happens?

In the reaction #N_2(g) + 3H_2(g) -> 2NH_3(g)#, #N_2 = 10.00 M#, #H_2 = 8.00 M#, and #NH_3 = 2.00 M#. What is the equilibrium constant #K#, for this reaction?

What is bohr midel of atom?

A student measures the mass of a beaker filled with corn oil to be 215.6 g. The mass of the beaker is 110.4g. What is the density of the corn oil if its volume is 114 cm^3?

Do different atomic numbers, #Z#, specify different elements? How are isotopes differentiated?

What is the ¥w for pure water and for solution and for solute or water pot for solution with more solute present will be :?

An aqueous solution of lead II phosphate is added to an aqueous solution of potassium iodide. When the two colorless solutions mix, a bright yellow precipitate forms in a double replacement reaction. What is the balanced chemical equation?

Does a high +∆G mean that the reaction is irreversible (and equilibrium cannot be attained) or that the reaction lies to the right?

How do we define #pH#?

How much heat must be removed to freeze a tray of ice cubes at 0 C if the water has a mass of 225 g?

If an irregular object has the volume of 15 cubic centimeters and a a mass of 45 grams, what is its density?

What is 64 ounces in pounds?

The pressure of 250 kPa acting on 15 cubic meters of gas at a temperature of 100 K is increased to 500 kPa and the volume is increased to 30 cubic meters. What is the temperature of the gas at this new pressure and volume?

If the saturation concentration of potassium nitrate is #3.0*mol*L^-1#, is a solution prepared by dissolving a #67.05*g# mass of this salt in water to make a volume of #250*mL# solution, saturated?

A 259-mL sample of a sugar solution containing 1.02 g of the sugar has an osmotic pressure of 30.2 mmHg at 34.1°C. What is the molar mass of the sugar?

A solution is a mixture of #"0.05M NaCl"# and #"0.05M NaI"#.The concentration of iodide ion in the solution when #"AgCl"# just starts precipitating is equal to?

What is the molar quantity of a sample of chlorine gas at #88# #""^@C# that exerts a pressure of #538*mm*Hg#, and occupies a volume of #8.16*L#?