Biology and Chemistry Homework Help Forum

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How to draw tangent from point of inflection on a chart with peaks

  • selseg
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4

How Do Ks0 Values of MnCO3(s) Differ in Freshwater and Estuarine Waters?

  • spooky01
  • · Replies 10 ·
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10

Converting an Equation to Neutral Form

  • 1question
  • · Replies 4 ·
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4

Calculate equilibrium dissolved oxygen at 19.8 Celsius

  • spooky01
  • · Replies 6 ·
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6

Biochemistry: Tryptophan fluorescence

  • Jef123
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1
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14

Chemistry homework help with enthelpy

  • Spouple
  • · Replies 3 ·
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3

Solving Material Balance Problems in Evaporators

  • blackbeauty
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1

Does 2-Methyl-2-Pentene Have Stereoisomers?

  • casualdehyde
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3

What Are the Major Products of These Organic Addition Reactions?

  • devon
  • · Replies 4 ·
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4

How Do You Convert Tertiary Haloalkanes Using Free Radical Substitution?

  • somecelxis
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3
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3

What could be the compound in this spectra with peaks at 154 and 154+2?

  • Respect-rometry
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4

How Can I Record My Copper Sulphate Experiment?

  • Ziliba
  • · Replies 13 ·
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13

Redox titration end point calculation -- Help please

  • kirsten_2009
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5

Oxidation of cyclohexanol to hexane-1,6 dioic acid?

  • somecelxis
  • · Replies 2 ·
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2

I need assistance with Classical Elements

  • tony419
  • · Replies 1 ·
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1

Which Liquid Would Form the Densest Vapor Upon Heating?

  • mayer
  • · Replies 4 ·
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4

Define Organic Compounds As Polar Or Nonpolar

  • fishes
  • · Replies 9 ·
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9

Why Is Nickel Losing Electrons in Electrolysis?

  • RJLiberator
  • · Replies 6 ·
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6

Ascorbic Acid Amount Calculation (stoichiometry/)

  • devon
  • · Replies 4 ·
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4

How Does 1,3-Butadiene Absorb UV Light in Terms of Particle-in-a-Box Theory?

  • terp.asessed
  • · Replies 3 ·
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3

Osmotic Pressure Help Homework A&B | Solve Now

  • thercias
  • · Replies 5 ·
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5
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1

What Causes the Increase in Density of a Hard Boiled Egg?

  • ciubba
  • · Replies 7 ·
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7

Solve Backtitration Problem: Find mL of NaOH Used

  • orchidee7
  • · Replies 1 ·
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1

How Do You Calculate the Changing Mass of a Sublimating Solid?

  • tempneff
  • · Replies 3 ·
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3

Drawing a Lewis Dot Structure for Octathiocane (S8)

  • rmjmu507
  • · Replies 1 ·
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1

What percentage of N2O4 decomposes at 370K ?

  • RJLiberator
  • · Replies 1 ·
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1

Finding Mass Through Percent by Volume

  • JeweliaHeart
  • · Replies 4 ·
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4

Net Ionic Equation of Four Solutions

  • END
  • · Replies 1 ·
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1

Calculate ΔU. n is constant. V, T and p change

  • jamesrb
  • · Replies 11 ·
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11
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4

Finding the Concentration of Triiodide

  • maknott
  • · Replies 1 ·
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1

Applying Coulomb's law to HCl and LiF

  • needingtoknow
  • · Replies 5 ·
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5

Chemistry Question regarding Chemistry ( Moles

  • SiriusA
  • · Replies 1 ·
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1

Chemistry Understanding the reasoning behind the mole

  • needingtoknow
  • · Replies 7 ·
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7

Chemistry Resonance Structures for a Certain Molecule

  • alingy1
  • · Replies 3 ·
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3

Virial Expansion of Van Der Waals Equation

  • izchief360
  • · Replies 1 ·
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1

Chemistry Relationship between Atomic PPM and Mole

  • 1question
  • · Replies 4 ·
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4

Position of Planets in the Sky | Homework Help

  • Sastronaut
  • · Replies 1 ·
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1

Need help on logic problem for Biology class

  • N00bman
  • · Replies 1 ·
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1

Determining an unknown Hydrocarbon X

  • miniradman
  • · Replies 7 ·
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7

Which Asset Should You Choose Based on Present Value?

  • Nickod777
  • · Replies 1 ·
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1

Solve Density Problem: Mercury in Lake | Mass = 6 x 105 kg

  • ThatDude
  • · Replies 1 ·
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1

Why Does the Answer Key Give 188.1 for This Significant Figures Calculation?

  • Speedking96
  • · Replies 4 ·
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4

Chemistry Calculate persistence length of a single dsDNA molecule

  • pen
  • · Replies 3 ·
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3

No of C=C bond in carbonyl compound

  • somecelxis
  • · Replies 4 ·
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4

Calculating NaOH dissociation entalphy problem

  • tester.dla.mmc
  • · Replies 2 ·
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2

What Are the Nucleotide Percentages in This Gene?

  • Medicol
  • · Replies 1 ·
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1

Effect of Adding Water on Reaction Rate: Rate Law Theory Question

  • Fetch
  • · Replies 2 ·
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2

Temperature & PH: Does It Depend on Acid?

  • caliban07
  • · Replies 2 ·
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2

Normality of Vinegar and Acidity of Acetic Acid

  • Blockmeister
  • · Replies 1 ·
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1

Chemistry Total number of DNA molecules after environmental change

  • Medicol
  • · Replies 1 ·
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1
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6

Mendelian explanation for bicolor coated puppy

  • Medicol
  • · Replies 1 ·
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1
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1

Solve 2nd Order Reaction Kinetics: Mn(CO)sub5 → Mnsub2 (CO)sub10

  • Fetch
  • · Replies 1 ·
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1

Why Can't Acyl Chloride Form Hydrogen Bonds?

  • desmond iking
  • · Replies 1 ·
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1

Hydrogentaion of Arene: Why Double Bond Not Broken?

  • somecelxis
  • · Replies 4 ·
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4

Ph Scale Logarithms: Calculating Acidity Difference

  • caliban07
  • · Replies 4 ·
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4

Reaction 1: Peroxydisulfate & Iodide Anion

  • brake4country
  • · Replies 1 ·
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1
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4

How Much P4S10 Can Be Made from 10g P4 and 30g S8?

  • Levathian
  • · Replies 2 ·
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2

Electrolysis and reduced mass of a metal bar

  • Medicol
  • · Replies 3 ·
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3

Possible formulae of an organic compound

  • Medicol
  • · Replies 2 ·
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2

Reaction of alkyl halides with strong unhindered bases

  • alingy1
  • · Replies 2 ·
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2
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3

Ideal Gas Law solve for partial pressure

  • Jef123
  • · Replies 2 ·
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2

Rate of Reaction with Respect to Temperature

  • Teemo
  • · Replies 2 ·
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2

Relationship between Free energy change and Equilibrium constant (K)

  • Jef123
  • · Replies 3 ·
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3

Why Are Specific Solvents Chosen for Sn2/Sn1, E2, and E1 Reactions?

  • alingy1
  • · Replies 3 ·
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3

Calculating ECell of Anode-Half Cell? Chemistry Review

  • Blockmeister
  • · Replies 1 ·
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1

Are These Chemical Reaction Review Answers Correct

  • Blockmeister
  • · Replies 1 ·
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1

What is the Partial Pressure of H2S at Equilibrium?

  • Sonny101
  • · Replies 19 ·
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19

How is Ether Formed from an Alkyl Halide?

  • alingy1
  • · Replies 3 ·
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3

Chemical arithmetics: Answers not matching

  • wirefree
  • · Replies 3 ·
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3

How Do Steric Effects Influence Basicity?

  • Qube
  • · Replies 3 ·
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3

Reaction of haloalkane with ammonia

  • somecelxis
  • · Replies 1 ·
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1
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17

Predict whether the following is neutral, basic, or acidic and the pH

  • Jef123
  • · Replies 2 ·
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2

What is the ratio of wave amplitudes at two sites with 5dB attenuation?

  • AlecYates
  • · Replies 4 ·
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4

Acidity of compounds with oxygen-Nucleophility

  • alingy1
  • · Replies 7 ·
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7

Role of HNO3 in nitration of benzene

  • desmond iking
  • · Replies 3 ·
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3

The Van't hoff factor for CaCL2 is 2.71

  • Jef123
  • · Replies 2 ·
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2

What happens if an acid is added to this buffer?

  • FredericChopin
  • · Replies 2 ·
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2

Chemistry Why Are There Two Different Molecules from SN1?

  • alingy1
  • · Replies 1 ·
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1

Chemistry Intermolecular Bonding of CH4: Van der Waals

  • brake4country
  • · Replies 5 ·
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5

Solubility Product Constant (Ksp) Problem

  • Neptune2235
  • · Replies 2 ·
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2

Chemistry 2-Ethylpentanone vs 2-Ethylpentanal

  • Lizzy
  • · Replies 6 ·
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6

How to figure out the ratios in which elements combine

  • ryan001
  • · Replies 2 ·
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2

Attempting to draw 3-ethylbutanoic acid

  • katiecool
  • · Replies 2 ·
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2

How to convert ethene to but-1-yne?

  • calm_cool
  • · Replies 3 ·
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3

Volume of air for complete combustion of alkane

  • desmond iking
  • · Replies 2 ·
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2

Test River pH: Make an Indicator at Home

  • Jason49
  • · Replies 3 ·
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3

Calculating Volume of 0.835M Na2SO4 Solution (0.0534 mol Na+)

  • RJLiberator
  • · Replies 3 ·
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3

How to Calculate Population Size at T+1 Using Life Tables?

  • atomant
  • · Replies 6 ·
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6

Calculating Mass in a Calorimetry Problem

  • Branflake
  • · Replies 3 ·
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3

Cycloalkane has no reaction with bromine

  • desmond iking
  • · Replies 4 ·
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4

What is the Optically Active Product of Alkene Hydrolysis?

  • desmond iking
  • · Replies 1 ·
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1