Search found 100 matches

by Ruth Glauber 1C
Thu Mar 12, 2020 2:16 pm
Forum: *Organic Reaction Mechanisms in General
Topic: Hydrogen in Reaction Mechanisms
Replies: 2
Views: 581

Re: Hydrogen in Reaction Mechanisms

I don't think so!
by Ruth Glauber 1C
Thu Mar 12, 2020 2:14 pm
Forum: *Organic Reaction Mechanisms in General
Topic: Biological Examples
Replies: 3
Views: 87

Re: Biological Examples

Could someone walk through an example?
by Ruth Glauber 1C
Thu Mar 12, 2020 2:13 pm
Forum: *Organic Reaction Mechanisms in General
Topic: Inclusion of Transition States
Replies: 2
Views: 587

Re: Inclusion of Transition States

I think the question would state it.
by Ruth Glauber 1C
Thu Mar 12, 2020 2:13 pm
Forum: *Organic Reaction Mechanisms in General
Topic: Transition Steps
Replies: 8
Views: 1016

Re: Transition Steps

^^ agreed
by Ruth Glauber 1C
Wed Mar 11, 2020 11:13 am
Forum: *Organic Reaction Mechanisms in General
Topic: K meaning
Replies: 6
Views: 90

Re: K meaning

It's the Boltzmann's constant! 1.380649×10−23 J/K
by Ruth Glauber 1C
Sat Mar 07, 2020 3:01 pm
Forum: Method of Initial Rates (To Determine n and k)
Topic: intergrated rate law
Replies: 9
Views: 67

Re: intergrated rate law

I think it's on the equation sheet?
by Ruth Glauber 1C
Sat Mar 07, 2020 3:01 pm
Forum: Method of Initial Rates (To Determine n and k)
Topic: Units and order
Replies: 3
Views: 267

Re: Units and order

Does anyone have an example they can walk through?
by Ruth Glauber 1C
Sat Mar 07, 2020 3:00 pm
Forum: Zero Order Reactions
Topic: Zero Order Reactions
Replies: 8
Views: 437

Re: Zero Order Reactions

Anybody have an example from the textbook?
by Ruth Glauber 1C
Sat Mar 07, 2020 3:00 pm
Forum: Zero Order Reactions
Topic: third order
Replies: 11
Views: 426

Re: third order

Does this apply to W20?
by Ruth Glauber 1C
Sat Mar 07, 2020 3:00 pm
Forum: Zero Order Reactions
Topic: Graphs
Replies: 13
Views: 359

Re: Graphs

Anyone know if this is still relevant?
by Ruth Glauber 1C
Wed Feb 19, 2020 11:16 am
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: Concept of "Cold"
Replies: 5
Views: 1209

Re: Concept of "Cold"

Is there an example in the textbook that anyone could explain?
by Ruth Glauber 1C
Wed Feb 19, 2020 11:16 am
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: fossil fuels on midterm [ENDORSED]
Replies: 2
Views: 757

Re: fossil fuels on midterm [ENDORSED]

Are there any other ways this could manifest on a future exam?
by Ruth Glauber 1C
Wed Feb 19, 2020 11:15 am
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: Why energy crisis?
Replies: 8
Views: 2809

Re: Why energy crisis?

Is there a problem in the textbook that illustrates this concept?
by Ruth Glauber 1C
Wed Feb 19, 2020 11:14 am
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: Energy Density
Replies: 7
Views: 3698

Re: Energy Density

I think the higher the density, the greater the capacity.
by Ruth Glauber 1C
Wed Feb 19, 2020 11:14 am
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: Why ethanol?
Replies: 4
Views: 839

Re: Why ethanol?

It's far more readily available!
by Ruth Glauber 1C
Sat Feb 15, 2020 7:18 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Question 4J.7
Replies: 5
Views: 52

Re: Question 4J.7

Enthalpy of formation of O2 is 0 at its most stable form.
by Ruth Glauber 1C
Sat Feb 15, 2020 7:18 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Why are exothermic reactions generally spontaneous?
Replies: 16
Views: 193

Re: Why are exothermic reactions generally spontaneous?

There is a grid on one of the pages in the chapter about Delta G that could be helpful to explain this!
by Ruth Glauber 1C
Sat Feb 15, 2020 7:17 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Delta G
Replies: 6
Views: 48

Re: Delta G

The degree sign indicates standard form.
by Ruth Glauber 1C
Sat Feb 15, 2020 7:16 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: K and Q and G
Replies: 6
Views: 62

Re: K and Q and G

Only if the system is at equilibrium can replace Q with K in this equation.
by Ruth Glauber 1C
Sat Feb 15, 2020 7:15 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Gibbs Free energy concept
Replies: 16
Views: 122

Re: Gibbs Free energy concept

Gibbs free energy is the energy that is available to do work. Delta G indicates if it is spontaneous!
by Ruth Glauber 1C
Sun Feb 09, 2020 10:22 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Energy Change
Replies: 4
Views: 29

Re: Energy Change

Does anyone have an example from the textbook?
by Ruth Glauber 1C
Sun Feb 09, 2020 10:21 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Molar Entropy
Replies: 4
Views: 39

Re: Molar Entropy

Molar entropy = entropy content of one mole of substance
by Ruth Glauber 1C
Mon Feb 03, 2020 10:15 pm
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: Third Law concept and problem types
Replies: 4
Views: 314

Re: Third Law concept and problem types

I think that you use it to find changes in entropy within systems and in relation to their surroundings.
by Ruth Glauber 1C
Mon Feb 03, 2020 10:13 pm
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: Residual Entropy
Replies: 3
Views: 25

Re: Residual Entropy

^^^ Does anyone have an example that they could walk through?
by Ruth Glauber 1C
Mon Feb 03, 2020 10:12 pm
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: Degeneracy
Replies: 4
Views: 28

Re: Degeneracy

Does anyone know the context in which we would have to be able to solve this?
by Ruth Glauber 1C
Thu Jan 30, 2020 9:20 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Delta T
Replies: 4
Views: 41

Re: Delta T

Because it gives off heat.
by Ruth Glauber 1C
Thu Jan 30, 2020 9:20 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Specific Heat Capacity, Molar Heat capacity, and the Third?
Replies: 3
Views: 31

Re: Specific Heat Capacity, Molar Heat capacity, and the Third?

I think he was calling specific attention to the fact that specific heat capacity and specific heat are the same thing?
by Ruth Glauber 1C
Thu Jan 30, 2020 9:19 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Heat, Temperature, Enthalpy
Replies: 4
Views: 29

Re: Heat, Temperature, Enthalpy

Does anyone have a direct example from the textbook to illustrate this?
by Ruth Glauber 1C
Thu Jan 30, 2020 9:19 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Closed Systems
Replies: 13
Views: 89

Re: Closed Systems

I think a closed system can only be changed by a change to pressure or volume.
by Ruth Glauber 1C
Thu Jan 30, 2020 9:18 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Celcius and Kelvin
Replies: 11
Views: 64

Re: Celcius and Kelvin

I think it was on the equation sheet? To convert from Celsius to Kelvin, just add 273.
by Ruth Glauber 1C
Wed Jan 22, 2020 3:12 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Changing K
Replies: 13
Views: 92

Re: Changing K

I think that temperature is the only relevant factor that changes K.
by Ruth Glauber 1C
Wed Jan 22, 2020 3:11 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: exothermic reactions
Replies: 19
Views: 128

Re: exothermic reactions

I use this to remember: if temperature increases, exothermic reactions shift to the left and everything is "the opposite".
by Ruth Glauber 1C
Wed Jan 22, 2020 3:10 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Le Chatelier's in relation to stability
Replies: 3
Views: 38

Re: Le Chatelier's in relation to stability

Does anyone have an example they could walk me through?
by Ruth Glauber 1C
Wed Jan 22, 2020 3:09 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: effects on pH
Replies: 7
Views: 49

Re: effects on pH

They're considered spectator ions and insignificant!
by Ruth Glauber 1C
Wed Jan 22, 2020 3:08 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Le Chatelier's Principle
Replies: 19
Views: 153

Re: Le Chatelier's Principle

It applies anytime a reaction at equilibrium is disturbed.
by Ruth Glauber 1C
Sun Jan 19, 2020 11:43 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Le Chatelier's Principle
Replies: 7
Views: 50

Re: Le Chatelier's Principle

Does anyone have an example they can walk through?
by Ruth Glauber 1C
Sun Jan 19, 2020 11:42 pm
Forum: Non-Equilibrium Conditions & The Reaction Quotient
Topic: Identifying endothermic vs exothermic
Replies: 7
Views: 42

Re: Identifying endothermic vs exothermic

Check if the products have more energy than the reactants to decide if its exothermic!
by Ruth Glauber 1C
Sun Jan 19, 2020 11:42 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: ICE Table
Replies: 4
Views: 44

Re: ICE Table

I think based on whether its a forward or backward reaction?
by Ruth Glauber 1C
Sun Jan 19, 2020 11:41 pm
Forum: Ideal Gases
Topic: When to use this equation
Replies: 14
Views: 106

Re: When to use this equation

Are there any conditions where you can't use it? Like that could be a trick question?
by Ruth Glauber 1C
Sun Jan 19, 2020 11:41 pm
Forum: Ideal Gases
Topic: When to use PV=nRT
Replies: 5
Views: 43

Re: When to use PV=nRT

Does anyone have an example they could walk through?
by Ruth Glauber 1C
Fri Jan 10, 2020 9:16 am
Forum: Ideal Gases
Topic: 5G1 true/false
Replies: 8
Views: 83

Re: 5G1 true/false

It's false because when you increase the pressure of the reactants, the pressure of the products will also increase.
by Ruth Glauber 1C
Fri Jan 10, 2020 9:15 am
Forum: Ideal Gases
Topic: Reaction Quotient (Q)
Replies: 8
Views: 67

Re: Reaction Quotient (Q)

It's just the way for you to determine whether the reaction is at equilibrium.
by Ruth Glauber 1C
Fri Jan 10, 2020 9:15 am
Forum: Ideal Gases
Topic: K
Replies: 10
Views: 83

Re: K

Yes I think so!
by Ruth Glauber 1C
Fri Jan 10, 2020 9:14 am
Forum: Ideal Gases
Topic: pressure [ENDORSED]
Replies: 13
Views: 248

Re: pressure [ENDORSED]

Yes, it can be changed by changing the temperature or adding an inert gas (without changing the volume).
by Ruth Glauber 1C
Fri Jan 10, 2020 9:14 am
Forum: Ideal Gases
Topic: What is the Importance of homogeneous vs heterogeneous equilibria [ENDORSED]
Replies: 12
Views: 139

Re: What is the Importance of homogeneous vs heterogeneous equilibria [ENDORSED]

I think that it's only purpose is to narrow in on the states of the reactants and products in the equilibrium equation, so you know what to include in a K or Q calculation for an equation.
by Ruth Glauber 1C
Sat Dec 07, 2019 8:51 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: 17.35 Chelating Compounds
Replies: 5
Views: 535

Re: 17.35 Chelating Compounds

I also had this question! ^^
by Ruth Glauber 1C
Sat Dec 07, 2019 10:33 am
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: Ka Kb on the Final
Replies: 2
Views: 47

Re: Ka Kb on the Final

I'm also very unclear on this ^^ Can someone please explain?
by Ruth Glauber 1C
Wed Nov 27, 2019 6:51 am
Forum: Naming
Topic: Naming Coordination Compound
Replies: 5
Views: 48

Re: Naming Coordination Compound

What about anions and cations outside of the coordination sphere? How do you use prefixes with them?
by Ruth Glauber 1C
Wed Nov 27, 2019 6:50 am
Forum: Naming
Topic: Naming Coordination Compound with Iron
Replies: 4
Views: 39

Re: Naming Coordination Compound with Iron

^^ I also had this question. Does anyone have any other examples for exceptions?
by Ruth Glauber 1C
Wed Nov 27, 2019 6:49 am
Forum: Naming
Topic: Bis,tris, etc
Replies: 6
Views: 64

Re: Bis,tris, etc

I think you use it when the ligand already has a bi or prefix.
by Ruth Glauber 1C
Wed Nov 27, 2019 6:48 am
Forum: Naming
Topic: Naming coordination compound
Replies: 5
Views: 68

Re: Naming coordination compound

I am also confused on how (en) influences the naming. Can anyone give an example?
by Ruth Glauber 1C
Wed Nov 27, 2019 6:46 am
Forum: Naming
Topic: Alphabetical Order
Replies: 6
Views: 57

Re: Alphabetical Order

Can anyone walk me through an example?
by Ruth Glauber 1C
Fri Nov 22, 2019 7:33 pm
Forum: Hybridization
Topic: for test 2
Replies: 7
Views: 77

Re: for test 2

I don't think so, no.
by Ruth Glauber 1C
Fri Nov 22, 2019 7:33 pm
Forum: Hybridization
Topic: hybridization
Replies: 11
Views: 86

Re: hybridization

^^ What is a step by step method?
by Ruth Glauber 1C
Fri Nov 22, 2019 7:32 pm
Forum: Hybridization
Topic: Hybridization with lone pairs on central atom
Replies: 6
Views: 72

Re: Hybridization with lone pairs on central atom

Yes, and I think page 119 had an example on this?
by Ruth Glauber 1C
Fri Nov 22, 2019 7:31 pm
Forum: Hybridization
Topic: hybridization on the test?
Replies: 10
Views: 131

Re: hybridization on the test?

I think it's best to know how they relate to hybridization, but really only sigma and pi bonds I think.
by Ruth Glauber 1C
Fri Nov 22, 2019 7:31 pm
Forum: Hybridization
Topic: lone pairs in hybridization
Replies: 8
Views: 57

Re: lone pairs in hybridization

Yes, I think lone pairs act as bonding in hybridization.
by Ruth Glauber 1C
Sun Nov 17, 2019 9:37 am
Forum: Hybridization
Topic: The D Orbital
Replies: 4
Views: 308

Re: The D Orbital

I think pi bonds? Does anyone else have an explanation as to why?
by Ruth Glauber 1C
Sun Nov 17, 2019 9:36 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Van Der Waals Interaction
Replies: 11
Views: 85

Re: Van Der Waals Interaction

Every molecule experiences these forces.
by Ruth Glauber 1C
Sun Nov 17, 2019 9:35 am
Forum: Determining Molecular Shape (VSEPR)
Topic: London dispersion forces and vander waals
Replies: 5
Views: 55

Re: London dispersion forces and vander waals

I think that London Dispersion Forces are a specific type of vander waals.
by Ruth Glauber 1C
Sun Nov 17, 2019 9:35 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Bond Angles with Different Atoms
Replies: 4
Views: 64

Re: Bond Angles with Different Atoms

Does anyone have another example to illustrate these explanations?
by Ruth Glauber 1C
Sun Nov 17, 2019 9:34 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Pentagonal Bipyramidal
Replies: 8
Views: 83

Re: Pentagonal Bipyramidal

Does anyone know where in the textbook I could find a diagram for this?
by Ruth Glauber 1C
Thu Nov 07, 2019 10:53 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Resonance Delocalization
Replies: 5
Views: 50

Re: Resonance Delocalization

I think this is roughly explained by the concept of resonance structures.
by Ruth Glauber 1C
Thu Nov 07, 2019 10:52 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Polar v. Nonpolar
Replies: 11
Views: 1218

Re: Polar v. Nonpolar

Try drawing out a lewis structure and comparing formal charges for each atom.
by Ruth Glauber 1C
Thu Nov 07, 2019 10:52 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Sulfur bonding
Replies: 5
Views: 49

Re: Sulfur bonding

I think that this is called an expanded octet.
by Ruth Glauber 1C
Thu Nov 07, 2019 10:51 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 30
Views: 1321

Re: Wavelength Plausibility

I think that a de Broglie wavelength less than 10-15m does not have detectable wave-like properties.
by Ruth Glauber 1C
Thu Nov 07, 2019 10:48 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: how to draw lewis structure
Replies: 9
Views: 415

Re: how to draw lewis structure

Check to see if it's an ion!
by Ruth Glauber 1C
Thu Nov 07, 2019 10:47 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Writing e- Configurations
Replies: 15
Views: 173

Re: Writing e- Configurations

I think that you write the noble gas and then the other notation unless otherwise stated by the question.
by Ruth Glauber 1C
Thu Oct 31, 2019 11:24 am
Forum: Bond Lengths & Energies
Topic: Boiling points
Replies: 2
Views: 370

Re: Boiling points

I would look at the bonds in the molecules and their respective strengths.
by Ruth Glauber 1C
Thu Oct 31, 2019 11:23 am
Forum: Lewis Structures
Topic: Charges on Lewis Structures
Replies: 7
Views: 76

Re: Charges on Lewis Structures

I think you should only have to make the positive or negative notation on the atom itself (eg. Na+).
by Ruth Glauber 1C
Thu Oct 31, 2019 11:22 am
Forum: Limiting Reactant Calculations
Topic: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]
Replies: 68
Views: 3176

Re: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]

So do we have to have exact units for each step of the problem, or just correct units for the answer?
by Ruth Glauber 1C
Thu Oct 31, 2019 11:20 am
Forum: Electron Configurations for Multi-Electron Atoms
Topic: Question about the Principles on Tests
Replies: 5
Views: 78

Re: Question about the Principles on Tests

I would memorize them,just to be safe.
by Ruth Glauber 1C
Fri Oct 25, 2019 12:34 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: d orbital
Replies: 3
Views: 59

Re: d orbital

I think they are Cu and Cr!
by Ruth Glauber 1C
Fri Oct 25, 2019 12:33 pm
Forum: Properties of Electrons
Topic: What's the difference between a shell, a subshell, an energy level, and an orbital?
Replies: 8
Views: 108

Re: What's the difference between a shell, a subshell, an energy level, and an orbital?

Shell is the quantum number n. Subshell is the shape (s, p, d, f) and quantum number l. Orbital is the orientation of the subshell!
by Ruth Glauber 1C
Fri Oct 25, 2019 12:32 pm
Forum: Properties of Electrons
Topic: Spin
Replies: 5
Views: 83

Re: Spin

I think it involves the electron's intrinsic angular momentum.
by Ruth Glauber 1C
Fri Oct 25, 2019 12:31 pm
Forum: Properties of Electrons
Topic: Subshell Exceptions
Replies: 6
Views: 106

Re: Subshell Exceptions

I think that it depends on the conditions at which the most stability is achieved.
by Ruth Glauber 1C
Fri Oct 25, 2019 12:30 pm
Forum: Properties of Electrons
Topic: Electron Principles
Replies: 3
Views: 63

Re: Electron Principles

Can anyone summarize this for me?
by Ruth Glauber 1C
Sun Oct 20, 2019 10:31 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Test 1 [ENDORSED]
Replies: 107
Views: 4753

Re: Test 1 [ENDORSED]

Can someone repeat how the tests are curved?
by Ruth Glauber 1C
Sun Oct 20, 2019 10:30 pm
Forum: DeBroglie Equation
Topic: Deriving the DeBrogile Equation
Replies: 8
Views: 104

Re: Deriving the DeBrogile Equation

I think it's useful to know how to derive it!
by Ruth Glauber 1C
Sun Oct 20, 2019 10:29 pm
Forum: DeBroglie Equation
Topic: DeBroglie Equation
Replies: 11
Views: 125

Re: DeBroglie Equation

It's to find wavelength, right?
by Ruth Glauber 1C
Sun Oct 20, 2019 10:28 pm
Forum: DeBroglie Equation
Topic: When to combine equations
Replies: 10
Views: 117

Re: When to combine equations

You need to make sure they have a variable in common!
by Ruth Glauber 1C
Sun Oct 20, 2019 10:27 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Uncertainty in Speed [ENDORSED]
Replies: 18
Views: 4374

Re: Uncertainty in Speed [ENDORSED]

I think you need to calculate 1% of the hydrogen radius (0.05 nm) in meters for the uncertainty.
by Ruth Glauber 1C
Sun Oct 13, 2019 11:02 pm
Forum: DeBroglie Equation
Topic: De Broglie's Equation
Replies: 17
Views: 201

Re: De Broglie's Equation

No, light cannot be used.
by Ruth Glauber 1C
Sun Oct 13, 2019 11:01 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Heisenberg Uncertainty Principle Post-Module Assessment
Replies: 2
Views: 47

Re: Heisenberg Uncertainty Principle Post-Module Assessment

Why is there a difference in calling it the uncertainty vs undeterminability principle?
by Ruth Glauber 1C
Sun Oct 13, 2019 11:00 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 3187

Re: Week 2 Homework Problems [ENDORSED]

I believe it is from the review section and the quantum section.
by Ruth Glauber 1C
Sun Oct 13, 2019 10:59 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 30
Views: 1321

Re: Wavelength Plausibility

I believe using 700 to 400 is acceptable (and easier to remember).
by Ruth Glauber 1C
Sun Oct 13, 2019 10:58 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Rydberg equation [ENDORSED]
Replies: 73
Views: 3123

Re: Rydberg equation [ENDORSED]

Where does the name Rydberg come from?
by Ruth Glauber 1C
Sun Oct 13, 2019 10:58 pm
Forum: Limiting Reactant Calculations
Topic: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]
Replies: 68
Views: 3176

Re: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]

I believe partial credit is awarded for steps within the overall problem.
by Ruth Glauber 1C
Sat Oct 05, 2019 5:42 pm
Forum: Limiting Reactant Calculations
Topic: Percent or theoretical yield
Replies: 14
Views: 605

Re: Percent or theoretical yield

Theoretical yield is the amount you SHOULD be able to create in a perfect laboratory environment, however the actual yield is what you end up getting under realistic lab context. The percentage yield is the ratio between these two.
by Ruth Glauber 1C
Sat Oct 05, 2019 5:40 pm
Forum: Balancing Chemical Reactions
Topic: Fractions in front of compounds
Replies: 12
Views: 147

Re: Fractions in front of compounds

You should always multiply to eliminate fractions across the entire equation, to ensure it's balanced on both sides.
by Ruth Glauber 1C
Sat Oct 05, 2019 5:39 pm
Forum: Empirical & Molecular Formulas
Topic: Tips for Finding Which Number to Multiply a Decimal By to Get a Whole Number
Replies: 10
Views: 202

Re: Tips for Finding Which Number to Multiply a Decimal By to Get a Whole Number

I would use trial and error and try to estimate the lowest multiple of the numbers you have already and go from there.
by Ruth Glauber 1C
Sat Oct 05, 2019 5:38 pm
Forum: Empirical & Molecular Formulas
Topic: Writing Empirical Formulas
Replies: 8
Views: 144

Re: Writing Empirical Formulas

I believe you tend to put Carbon, Hydrogen and Oxygen first, and go off of the others in alphabetical order?
by Ruth Glauber 1C
Sat Oct 05, 2019 5:36 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Rounding
Replies: 12
Views: 277

Re: Rounding

I think it is best to round to the number of significant figures stated in the question (i.e. the number of sig figs of the data the question gives you).

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