Biology and Chemistry Homework Help Forum

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Threads

1 mol of Mg atoms in 1 mol of chlorophyll (is it possible)

  • HCverma
  • · Replies 3 ·
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3

How Does Pre-existing CH3COONa Affect Buffer pH Calculation?

  • Krushnaraj Pandya
  • · Replies 4 ·
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4

What Volume of NaOH is Required for Back Titration in Simple Back Titration?

  • Krushnaraj Pandya
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2

Calculate pH change of a basic buffer

  • Krushnaraj Pandya
  • · Replies 2 ·
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2

12 amu and 1.9924 X 10^-23g express the mass of a atom of C?

  • HCverma
  • · Replies 1 ·
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1

Chemistry Why moles of (S2O3 2-) is equal to mol of ( MnO4-) times 5

  • mimi88
  • · Replies 4 ·
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4

Can ozonolysis ever generate carbonic acid?

  • baldbrain
  • · Replies 4 ·
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4

How Does NaOH Affect the Degree of Dissociation of Triethylamine?

  • Krushnaraj Pandya
  • · Replies 3 ·
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3

What does it mean by 'number of particles in a substance'?

  • HCverma
  • · Replies 11 ·
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11

Effective Charge on Valence Electrons of Sb

  • BugzBunny
  • · Replies 1 ·
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1

IUPAC Names of Organic compounds (3)

  • CroSinus
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1

Chemistry How to get the atomic weight of O 16g/mole to amu?

  • HCverma
  • · Replies 10 ·
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10

IUPAC Names of Organic compounds (2)

  • CroSinus
  • · Replies 3 ·
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3

Double titration and law of equivalence

  • Krushnaraj Pandya
  • · Replies 10 ·
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10

Why Can't Rate of Reaction Equal Rate of Disappearance of H2?

  • subhradeep mahata
  • · Replies 2 ·
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2

Eliminating Alcohols: Why Do (A) and (B) Give Different Products?

  • baldbrain
  • · Replies 3 ·
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3

Boiling point and connection distance of the elements

  • José Ricardo
  • · Replies 8 ·
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8

Why does the ln(A/R) vs 1/T graph have no y-intercept?

  • subhradeep mahata
  • · Replies 8 ·
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8

Could RNA have been around pre-biotically?

  • cliffhanley203
  • · Replies 2 ·
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2

Diagram of energy levels of hydrogen lines

  • José Ricardo
  • · Replies 3 ·
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3

Between O- and F- which has higher electron affinity?

  • prakhargupta3301
  • · Replies 8 ·
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8

What will be the order of increasing radius?

  • prakhargupta3301
  • · Replies 3 ·
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3

Calculate E cell for the following reaction at 25deg celcius

  • Biggins1
  • · Replies 1 ·
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1

Calculate cell potential for IO3− and I− reaction at 25°C

  • Biggins1
  • · Replies 1 ·
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1

What Are Three Uses of Rhodium as a Catalyst?

  • Physics345
  • · Replies 7 ·
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7

How Do You Determine the Basicity of Nitrogen Heterocycles?

  • baldbrain
  • · Replies 5 ·
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5

Mercury column height in J-tube with trapped air

  • Queren Suriano
  • · Replies 7 ·
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7

Why cannot a woman who is pregnant continue to ovulate?

  • lioric
  • · Replies 3 ·
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3

Planes of motion for the elbow and shoulder

  • lioric
  • · Replies 8 ·
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8

How Does Increased Pressure Affect Chemical Equilibrium in the Reaction A⇔2B?

  • subhradeep mahata
  • · Replies 5 ·
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5

Why are the constants a and b independent of temperature in gas properties?

  • subhradeep mahata
  • · Replies 5 ·
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5

Chemistry Relation between mole, volume and pressure fraction

  • subhradeep mahata
  • · Replies 5 ·
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5

-OH when used as -I effect and +I effect?

  • Indranil
  • · Replies 1 ·
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1

How does corrective treatment of lymphedema help lymph flow?

  • Daniel2244
  • · Replies 2 ·
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2
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2

Why Is the AMU Calculation Using 12 x 10⁻³ Instead of Just 12?

  • Indranil
  • · Replies 2 ·
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2

Biology Why doesn't the mRNA sequence match the DNA coding strand directly?

  • Soaring Crane
  • · Replies 7 ·
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7

Elimination reactions of cyclohexane derivatives

  • baldbrain
  • · Replies 25 ·
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25

Vibrational entropy and the partition function

  • jbowers9
  • · Replies 1 ·
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1

Is My Approach Correct for SN1 Reactions of Cyclic Ethers?

  • baldbrain
  • · Replies 14 ·
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14

Bond lengths in Cycloocta - 1,3,6 - triene

  • baldbrain
  • · Replies 19 ·
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19

Difference between diluting and adding

  • JessicaHelena
  • · Replies 8 ·
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8

Is Nm^3 a Unit of Volume or Moles?

  • dRic2
  • · Replies 5 ·
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5

How can any of these compounds give same SN1 & SN2 product?

  • baldbrain
  • · Replies 31 ·
2
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31

How does a pH probe measure hydrogen ion concentration?

  • Daniel2244
  • · Replies 2 ·
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2

Which of the following aqueous solutions would test closet to pH 7

  • JessicaHelena
  • · Replies 6 ·
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6

For a solution that contains 0.10 M HCN and 0.10 M NaCN, whi

  • JessicaHelena
  • · Replies 8 ·
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8

What is the Common Ion Effect?

  • JessicaHelena
  • · Replies 1 ·
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1

How does Hodgkin's lymphoma affect the lymphatic system?

  • Daniel2244
  • · Replies 2 ·
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2

Drawing the resonance contributors for the following compound

  • fema98
  • · Replies 2 ·
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2

Why is kininogen binding less sensitive to pH changes?

  • Mr_Bio
  • · Replies 1 ·
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1

Equilibrium: Le Chatelier's Principle and CaCO3 Decomposition

  • Zayn
  • · Replies 1 ·
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1

Chemistry Calculating Final Composition of Compounds in Haber's Process with 50% Yield

  • Suyash Singh
  • · Replies 10 ·
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10

How Do You Calculate Molar Absorptivity?

  • rwooduk
  • · Replies 11 ·
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11

Can Hunter Values Be Converted to Transmission Percentage?

  • ephphatha16
  • · Replies 1 ·
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1

Titration Troubles: Where Did We Go Wrong?

  • Zayn
  • · Replies 5 ·
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5

How to find the empirical formula of an unknown reactant?

  • Coderhk
  • · Replies 1 ·
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1

The crystal structure for Ba2TiO explained with symmetries

  • Beyar
  • · Replies 3 ·
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3

Finding latent heat of vaporisation as a function of temperature

  • Saitama
  • · Replies 9 ·
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9

Calculating scandium content in thortveitite

  • Ron Werner
  • · Replies 2 ·
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2

How do enzymes lower activation energy without adding energy?

  • ifihadsomebacon
  • · Replies 3 ·
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3

How much NaOH to add to 0.6 mol acetic acid for max buffering capacity?

  • brake4country
  • · Replies 23 ·
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23

Problem about Nitrate electrodeposition

  • cuigm371
  • · Replies 10 ·
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10

T and V changing in an isobaric process

  • BearY
  • · Replies 1 ·
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1

What are the reagents in an iodoform reaction

  • lioric
  • · Replies 9 ·
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9
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1

How to prove M = 2.016 X D (M = 2D)

  • Indranil
  • · Replies 7 ·
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7

Which Pairs of Substances Are Isomers?

  • mimi88
  • · Replies 8 ·
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8

Calculate the pH of a 0.20 M solution of iodic acid (HIO3).

  • JessicaHelena
  • · Replies 5 ·
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5

Which of the following combinations would act as buffered solutions

  • JessicaHelena
  • · Replies 5 ·
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5

pH of 0.30 M NaF solution (hydrolysis reaction)

  • JessicaHelena
  • · Replies 6 ·
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6

Hydrodistillation and (original) uses

  • hugo_faurand
  • · Replies 3 ·
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3

Is an Unsaturated Hydrocarbon Converted to Saturated When Reacted with Hydrogen?

  • Muhammad Danish
  • · Replies 5 ·
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5

What is the mass of potassium nitrate which crystallizes?

  • lioric
  • · Replies 8 ·
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8

Chemistry: Heat of Sublimation and Hydrogem Bonds Problem

  • komarxian
  • · Replies 5 ·
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5

Chemistry How to find moles of O in CO molecule?

  • Indranil
  • · Replies 21 ·
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21

How to find the Density of Air with PV=nRT?

  • lc99
  • · Replies 7 ·
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7

Calculating the conductivity of a solution of HCl and HAc

  • Sabe
  • · Replies 2 ·
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2

Calculating pKa from pH: Understanding Titration

  • Frankenstein19
  • · Replies 3 ·
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3

Work, heat, thermodynamics Cylindric Piston

  • alingy1
  • · Replies 9 ·
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9
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7

Why is the boiling point of 2-propanol lower than 1-propanol

  • Zayn
  • · Replies 2 ·
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2

Increasing Yield of a System with Le Chatelier's Principle

  • Physics345
  • · Replies 5 ·
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5

Concentration from density and purity

  • Hallucinogen
  • · Replies 3 ·
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3

Number of HCl Equivalents in 100mL of pH 4 Solution

  • Hydrous Caperilla
  • · Replies 8 ·
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8

Trying to calculate the density of LiNbO3 from perovskite

  • Frankenstein19
  • · Replies 2 ·
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2

Did You Name These Compounds Correctly?

  • Physics345
  • · Replies 29 ·
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29

Finding volume of one compound using Stoichiometry equation

  • Consul54
  • · Replies 2 ·
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2

Van der Waals EOS using reduced molar volume

  • jbowers9
  • · Replies 2 ·
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2

Determination of an Acid (Monoprotic) by Titration Lab

  • Grant
  • · Replies 2 ·
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2

Drawing Compounds: 3-Ethyl-3-Methylhexane, 1-Ethyl-3-Propylcyclohexane, etc.

  • Physics345
  • · Replies 1 ·
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1

Boiling point trend in halogens and London forces

  • Physics345
  • · Replies 15 ·
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15

Is Electromagnetism the Force Behind Dye Movement in Electrophoresis?

  • RED119
  • · Replies 5 ·
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5

Space elevator cable materials and properties

  • Physics345
  • · Replies 5 ·
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5

Energy level Diagram relating to SP3 hybridization

  • Physics345
  • · Replies 2 ·
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2

Drawing Lewis structure and structural formula

  • Physics345
  • · Replies 2 ·
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2

Electronegativity / predicting structure / ranking order

  • Physics345
  • · Replies 3 ·
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3

Solve Katharometer Question: Limit Errors to +0.1% Oxygen

  • cjm181
  • · Replies 1 ·
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1

Calculation of the change in internal energy of water

  • NoahCygnus
  • · Replies 19 ·
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19

What's the difference of this chemical formula?

  • Jimin Lee
  • · Replies 1 ·
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1