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by Nico Medina
Tue Mar 16, 2021 5:12 am
Forum: Zero Order Reactions
Topic: Sapling #6 (Week 9/10)
Replies: 3
Views: 486

Re: Sapling #6 (Week 9/10)

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:12 am
Forum: Biological Examples
Topic: atp exmaples
Replies: 2
Views: 1093

Re: atp exmaples

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:11 am
Forum: General Rate Laws
Topic: Increasing or decreasing the rate constant
Replies: 3
Views: 2220

Re: Increasing or decreasing the rate constant

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:11 am
Forum: General Rate Laws
Topic: Textbook 7.11A
Replies: 2
Views: 294

Re: Textbook 7.11A

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:10 am
Forum: General Rate Laws
Topic: sapling week 9/10 #7
Replies: 2
Views: 308

Re: sapling week 9/10 #7

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:09 am
Forum: First Order Reactions
Topic: 7B.1
Replies: 2
Views: 497

Re: 7B.1

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:09 am
Forum: First Order Reactions
Topic: HW 7B.3 Part C
Replies: 2
Views: 318

Re: HW 7B.3 Part C

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:09 am
Forum: First Order Reactions
Topic: kt vs. -kt?
Replies: 2
Views: 353

Re: kt vs. -kt?

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:08 am
Forum: First Order Reactions
Topic: Question About Textbook Problem 7B.1
Replies: 2
Views: 266

Re: Question About Textbook Problem 7B.1

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:08 am
Forum: First Order Reactions
Topic: 7B.9
Replies: 2
Views: 418

Re: 7B.9

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:07 am
Forum: Second Order Reactions
Topic: Half Life for Second Order Reactions
Replies: 3
Views: 856

Re: Half Life for Second Order Reactions

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:07 am
Forum: Second Order Reactions
Topic: Focus Exercise 7.21
Replies: 2
Views: 355

Re: Focus Exercise 7.21

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:07 am
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Reaction Mechanism
Replies: 5
Views: 453

Re: Reaction Mechanism

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:07 am
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Lecture 24 Example Intermediates
Replies: 2
Views: 296

Re: Lecture 24 Example Intermediates

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:06 am
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Textbook Problem 7.11 b
Replies: 2
Views: 329

Re: Textbook Problem 7.11 b

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:06 am
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Textbook Question 7.23
Replies: 2
Views: 316

Re: Textbook Question 7.23

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:05 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Plotting Reaction Rate
Replies: 2
Views: 563

Re: Plotting Reaction Rate

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:05 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Thermodynamic Stability
Replies: 2
Views: 619

Re: Thermodynamic Stability

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:04 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Dependence of Reaction on Catalyst Concentration
Replies: 2
Views: 613

Re: Dependence of Reaction on Catalyst Concentration

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:04 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Are reactants kinetically stable /w high deltaG of Activatio
Replies: 2
Views: 578

Re: Are reactants kinetically stable /w high deltaG of Activatio

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:03 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Energetically favorable
Replies: 15
Views: 14012

Re: Energetically favorable

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:03 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Products of Electrolysis
Replies: 2
Views: 435

Re: Products of Electrolysis

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:02 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Reaction Order
Replies: 9
Views: 945

Re: Reaction Order

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:02 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Calculating the value of the rate constant
Replies: 2
Views: 768

Re: Calculating the value of the rate constant

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:02 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Disorder
Replies: 2
Views: 615

Re: Disorder

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:01 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: THERMO with KINETICS
Replies: 2
Views: 587

Re: THERMO with KINETICS

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:01 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Kinetics and Thermodynamics
Replies: 2
Views: 582

Re: Kinetics and Thermodynamics

I was wondering this too, thanks for the help!
by Nico Medina
Tue Mar 16, 2021 5:01 am
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Textbook 7E.1
Replies: 3
Views: 428

Re: Textbook 7E.1

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:55 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Textbook 7.17
Replies: 2
Views: 169

Re: Textbook 7.17

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:54 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Reaction Profile
Replies: 5
Views: 419

Re: Reaction Profile

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:54 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: HW Question
Replies: 2
Views: 179

Re: HW Question

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:54 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Sapling Question 16
Replies: 2
Views: 198

Re: Sapling Question 16

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:52 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Arrhenius Eq
Replies: 12
Views: 760

Re: Arrhenius Eq

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:51 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Intermediates and Catalyst Summary
Replies: 2
Views: 193

Re: Intermediates and Catalyst Summary

I was wondering this too, thanks for the help!
by Nico Medina
Sat Mar 13, 2021 1:51 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Sapling Week9/10 #12
Replies: 3
Views: 323

Re: Sapling Week9/10 #12

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:39 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Versus Versus
Replies: 2
Views: 228

Re: Versus Versus

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:38 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: 6K
Replies: 4
Views: 455

Re: 6K

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:38 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: 7.11
Replies: 2
Views: 244

Re: 7.11

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:38 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Sapling Question week 9/10
Replies: 5
Views: 3389

Re: Sapling Question week 9/10

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:37 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Understanding Kinetics
Replies: 10
Views: 569

Re: Understanding Kinetics

I was wondering this too, thanks for the help!
by Nico Medina
Sun Mar 07, 2021 10:37 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Explanation of Reaction Progress
Replies: 3
Views: 269

Re: Explanation of Reaction Progress

I was wondering this too, thanks for the help!
by Nico Medina
Sun Feb 28, 2021 11:16 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Sapling Week 7/8 #7 ion movement
Replies: 6
Views: 327

Re: Sapling Week 7/8 #7 ion movement

I was wondering this as well, thanks!
by Nico Medina
Sun Feb 28, 2021 11:16 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Writing cell diagrams
Replies: 5
Views: 276

Re: Writing cell diagrams

I was wondering this as well, thanks!
by Nico Medina
Sun Feb 28, 2021 11:15 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Standard Reduction Potential
Replies: 4
Views: 308

Re: Standard Reduction Potential

I was wondering this as well, thanks!
by Nico Medina
Sun Feb 28, 2021 11:15 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell Diagrams Question
Replies: 3
Views: 228

Re: Cell Diagrams Question

I was wondering this as well, thanks!
by Nico Medina
Sun Feb 28, 2021 11:13 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Clarifying standard reduction potential
Replies: 3
Views: 243

Re: Clarifying standard reduction potential

I was wondering this as well, thanks!
by Nico Medina
Sun Feb 28, 2021 11:12 pm
Forum: Balancing Redox Reactions
Topic: Sapling 3
Replies: 2
Views: 291

Re: Sapling 3

Very helpful. Thanks!
by Nico Medina
Sun Feb 21, 2021 10:54 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Standard Conditions
Replies: 8
Views: 433

Re: Standard Conditions

Thank you!
by Nico Medina
Sun Feb 21, 2021 10:53 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Sapling 5/6 #19
Replies: 4
Views: 301

Re: Sapling 5/6 #19

Thank you!
by Nico Medina
Sun Feb 21, 2021 10:53 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Focus 4 Exercise 59
Replies: 2
Views: 178

Re: Focus 4 Exercise 59

Thank you!
by Nico Medina
Sun Feb 21, 2021 10:53 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Textbook 5G.15
Replies: 2
Views: 210

Re: Textbook 5G.15

Thank you!
by Nico Medina
Sun Feb 21, 2021 10:50 pm
Forum: General Science Questions
Topic: MT 2 grades
Replies: 34
Views: 2042

Re: MT 2 grades

Thanks everyone!
by Nico Medina
Sun Feb 21, 2021 10:49 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: isobaric
Replies: 20
Views: 1269

Re: isobaric

I was wondering this as well. Thanks!
by Nico Medina
Sun Feb 21, 2021 10:48 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: Extensive properties
Replies: 2
Views: 215

Re: Extensive properties

Thanks!
by Nico Medina
Fri Feb 12, 2021 2:26 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Molar entropy at T=0
Replies: 4
Views: 284

Re: Molar entropy at T=0

Thank you, very helpful!
by Nico Medina
Fri Feb 12, 2021 2:26 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Determining Different States
Replies: 4
Views: 267

Re: Determining Different States

Thank you, very helpful!
by Nico Medina
Fri Feb 12, 2021 2:25 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Entropy and degeneracy
Replies: 2
Views: 175

Re: Entropy and degeneracy

Thank you, very helpful!
by Nico Medina
Fri Feb 12, 2021 2:25 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: 3rd law of thermodynamics
Replies: 2
Views: 222

Re: 3rd law of thermodynamics

Thank you, very helpful!
by Nico Medina
Fri Feb 12, 2021 2:25 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Positional entropy and Avogadro's number
Replies: 2
Views: 156

Re: Positional entropy and Avogadro's number

Thank you, very helpful!
by Nico Medina
Fri Feb 12, 2021 2:24 am
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Textbook 4G.5
Replies: 3
Views: 192

Re: Textbook 4G.5

Thank you, very helpful!
by Nico Medina
Sun Feb 07, 2021 11:26 pm
Forum: Calculating Work of Expansion
Topic: Help with Friday's Lecture
Replies: 3
Views: 141

Re: Help with Friday's Lecture

I was wondering the same. If anyone can explain it that would be awesome. Thanks!
by Nico Medina
Sun Feb 07, 2021 11:25 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: What are some ex's of open, closed, isolated systems?
Replies: 2
Views: 227

Re: What are some ex's of open, closed, isolated systems?

Very helpful example to help think about it. Thank you!
by Nico Medina
Sun Feb 07, 2021 11:24 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Sapling Question 19
Replies: 3
Views: 259

Re: Sapling Question 19

Very helpful. Thanks!
by Nico Medina
Sun Feb 07, 2021 11:23 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Heat Capacity of a Calorimeter
Replies: 2
Views: 104

Re: Heat Capacity of a Calorimeter

Very helpful. Thanks!
by Nico Medina
Sun Feb 07, 2021 11:21 pm
Forum: Phase Changes & Related Calculations
Topic: supercooling
Replies: 3
Views: 175

Re: supercooling

Super interesting. Thanks!
by Nico Medina
Sun Feb 07, 2021 11:20 pm
Forum: Phase Changes & Related Calculations
Topic: Midterm Q4
Replies: 7
Views: 589

Re: Midterm Q4

To add to the previous post, Br- comes from Hbr, a strong acid. Anions that come from stromg acids are spectator ions in solution. Hope this helps!
by Nico Medina
Sun Feb 07, 2021 11:18 pm
Forum: Phase Changes & Related Calculations
Topic: Phase Change differences
Replies: 2
Views: 203

Re: Phase Change differences

I was wondering the same thing. Thanks!!
by Nico Medina
Thu Nov 12, 2020 4:07 am
Forum: Bond Lengths & Energies
Topic: Intermolecular Potential Energy
Replies: 3
Views: 481

Re: Intermolecular Potential Energy

To specify, 'r' is the internuclear distance between the two atoms. That is, specifically, the distance between the nuclei of the atoms.
by Nico Medina
Thu Nov 12, 2020 4:05 am
Forum: Bond Lengths & Energies
Topic: Electron Density and Bond Length
Replies: 2
Views: 396

Re: Electron Density and Bond Length

To add to what was said above, one way to think about it would be to compare it to everyday objects. If you put two tennis balls (small atom) next to eachother and two basketballs (large atom) next to eachother, the centers (nuclei) of the tennis balls would be much closer in distance to one another...
by Nico Medina
Thu Nov 12, 2020 4:02 am
Forum: Bond Lengths & Energies
Topic: Charge difference/dipole moment for the midterm
Replies: 2
Views: 254

Re: Charge difference/dipole moment for the midterm

I may be wrong but I don't think so. I believe Dr. Lavelle said that it was one of the things that we would not be asked to calculate in this course.
by Nico Medina
Thu Nov 12, 2020 4:01 am
Forum: Bond Lengths & Energies
Topic: Positive Dissociation Energy & Negative Interaction Potential Energy
Replies: 2
Views: 225

Re: Positive Dissociation Energy & Negative Interaction Potential Energy

To add to that, as stated above, dissociation energy is positive because energy is needed to break bonds. However, I like to think of the negative potential energy of the bonds as being a result of the fact that energy is required to break bonds. If potential energy of bonds was positive, energy wou...
by Nico Medina
Thu Nov 12, 2020 3:59 am
Forum: Bond Lengths & Energies
Topic: Interaction Potential Energy
Replies: 2
Views: 134

Re: Interaction Potential Energy

To add to that, the negative potential energy of bonds supports the fact that energy is required to break bonds. If potential energy was positive, energy would be released when bonds are broken.
by Nico Medina
Sun Oct 25, 2020 11:43 pm
Forum: Properties of Light
Topic: Incident Light
Replies: 5
Views: 270

Re: Incident Light

Think of it as the light being manipulated by the experimenters, i.e. kind of like the "independent variable." Hope this helps!
by Nico Medina
Sun Oct 25, 2020 11:41 pm
Forum: Properties of Light
Topic: Midterm Conceptual Questions
Replies: 5
Views: 293

Re: Midterm Conceptual Questions

I was looking for some sort of sheet to look at as well. If anyone has any ideas let me know!
by Nico Medina
Sun Oct 25, 2020 11:32 pm
Forum: Photoelectric Effect
Topic: Photoelectric Effect-Work Function
Replies: 4
Views: 278

Re: Photoelectric Effect-Work Function

To add to the previous posts, the work function could also be thought of as the threshold energy. Hope this helps!
by Nico Medina
Sun Oct 25, 2020 11:00 pm
Forum: Properties of Light
Topic: How are you guys studying for the midterm?
Replies: 19
Views: 1068

Re: How are you guys studying for the midterm?

I'm focusing on self-testing using the textbook and sapling. Hope this helps!
by Nico Medina
Sun Oct 25, 2020 10:58 pm
Forum: Properties of Light
Topic: Is c always the speed of light?
Replies: 92
Views: 5876

Re: Is c always the speed of light?

For our purposes, it will always be the speed of light. Hope this helps!
by Nico Medina
Sun Oct 18, 2020 11:59 pm
Forum: General Science Questions
Topic: Sig Figs
Replies: 14
Views: 495

Re: Sig Figs

Use lowest number of sig figs given in a value by the problem. This is as far out in decimals that we can exactly be "sure" of. Hope this helps!
by Nico Medina
Sun Oct 18, 2020 11:56 pm
Forum: Properties of Light
Topic: Light as a wave
Replies: 3
Views: 215

Re: Light as a wave

In the lectures about photoelectric effect, Dr. Lavelle used an analogy to waves on a beach to illustrate what I think you are asking. If the amplitude was higher (taller waves), then the waves would have more power to, say, knock you down. Experimenters thought, based on the assumption of wave-like...
by Nico Medina
Sun Oct 18, 2020 11:51 pm
Forum: Photoelectric Effect
Topic: Photoelectric experiment vs atomic spectra
Replies: 5
Views: 254

Re: Photoelectric experiment vs atomic spectra

The answer above was phenomenal. For me, I just try to keep it organized in my head by remembering that photoelectric involves EJECTING, and atomic spectra involves EXCITING. Then, I remember everything stated above regarding what each term means. Hope this helps you keep it organized!
by Nico Medina
Sun Oct 18, 2020 11:49 pm
Forum: Properties of Light
Topic: Intensity of light
Replies: 2
Views: 166

Re: Intensity of light

Same as the reply above, I'm not too sure past the fact that intensity would mean amplitude. If someone has an answer to this question it would be great!
by Nico Medina
Sun Oct 18, 2020 11:46 pm
Forum: Properties of Electrons
Topic: Energy per Photon
Replies: 7
Views: 246

Re: Energy per Photon

Yes, if we assume that the electron is ejected with zero kinetic energy. Kinetic energy is the leftover between the energy of each photon and the energy to remove electrons, so if the ejected electrons have no kinetic energy (no excess energy), then yes, energy of photon will equal required energy t...
by Nico Medina
Sun Oct 18, 2020 11:43 pm
Forum: Student Social/Study Group
Topic: How are you studying?
Replies: 204
Views: 21920

Re: How are you studying?

In my opinion, self-testing is key. After taking notes during lecture, complete practice problems or even problems found online in order to gauge the degree to which you are mastering the material. I have found it very useful to use this as a "checkpoint" of sorts before moving on to the n...
by Nico Medina
Fri Oct 09, 2020 4:55 am
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Molar Mass and Molecular Mass Difference?
Replies: 24
Views: 4755

Re: Molar Mass and Molecular Mass Difference?

I believe that they are the same thing, as, by definiton, 1 amu = 1 g/mol. They will be the same for each respective element or compound, but as mentioned before, molar mass (g/mol) is useful for unit conversions. Hope this helps!
by Nico Medina
Fri Oct 09, 2020 4:50 am
Forum: Empirical & Molecular Formulas
Topic: Reading Chemical Structure Diagrams
Replies: 5
Views: 306

Re: Reading Chemical Structure Diagrams

This was my biggest question from this week as well. I used the internet to find the necessary numbers to complete the problem, but was wondering if it was possible to do it any other way. If anyone has any insight it would be greatly appreciated!
by Nico Medina
Fri Oct 09, 2020 4:48 am
Forum: Empirical & Molecular Formulas
Topic: Calculating Atomic Mass of a Molecule
Replies: 9
Views: 431

Re: Calculating Atomic Mass of a Molecule

I was wondering the same thing. Certain periodic tables show the atomic mass of elements rounded to a different decimal place, and I was wondering if there is a "standard" that we should use (i.e. hundredths, thousandths, etc.).
by Nico Medina
Fri Oct 09, 2020 4:43 am
Forum: SI Units, Unit Conversions
Topic: Dimensional Analysis
Replies: 4
Views: 339

Re: Dimensional Analysis

Exactly! As long as the ratio of the conversion remains the same, one can use either unit on "top" and "bottom" to cancel units correctly and arrive at your answer in the units that you need. The "train tracks method" has been an effective way for me to visually underst...
by Nico Medina
Fri Oct 09, 2020 4:37 am
Forum: Significant Figures
Topic: Sig fig guide
Replies: 5
Views: 358

Re: Sig fig guide

Was about to ask the same thing. Thank you to the two that responded with the resources!
by Nico Medina
Thu Oct 08, 2020 12:42 am
Forum: Balancing Chemical Reactions
Topic: Fractions
Replies: 26
Views: 817

Re: Fractions

In general, when finding stoichiometric coefficients for a reaction, you'll always want to make sure that you have the simplest possible ratio (i.e. 2:1 is simpler than 4:2), while also having all whole numbers. That's the rule of thumb that I remember to help myself when balancing chemical equations!

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