Biology and Chemistry Homework Help Forum

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Threads

Magnesium Nitrate Formula: Mg(NO3)2

  • Geekchick
  • · Replies 3 ·
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3

Chemistry Molecule - Polar or Non-Polar?

  • meganw
  • · Replies 6 ·
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6

Calculating Diffusion Constant for Phosphatidylcholine in Water

  • kasse
  • · Replies 1 ·
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1

Chem: Equilibrium Constant Question

  • BioBabe91
  • · Replies 2 ·
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2

Effect of pH on beetroot cell membrane permeability

  • mfnite
  • · Replies 5 ·
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5

What are the different types of intermolecular bonds and how do they differ?

  • transgalactic
  • · Replies 2 ·
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2
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9

Boiling point on top of mount everest

  • physstudent1
  • · Replies 6 ·
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6

Mass of a solution that has a density of 0.775 g/mL

  • cgregory5006
  • · Replies 3 ·
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3

Chemical composition of the earth - Astronomy/Chem question

  • CaptainEvil
  • · Replies 1 ·
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1

Calculating Heat of Reaction for H2SO4 and NaOH Solution

  • nerdmon
  • · Replies 6 ·
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6

Physical Chemistry photoelectric question stumped

  • jasdell
  • · Replies 2 ·
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2

Sort these substances by boiling point

  • transgalactic
  • · Replies 3 ·
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3

Percent Na2C2O4 in sample titrated with KMnO4

  • bedizzy
  • · Replies 6 ·
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6

Calculate difference in molar entropy

  • Bacat
  • · Replies 8 ·
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8

Chemistry Liquid Chlorine-Inter and Intra Molecular Forces

  • mikeira
  • · Replies 4 ·
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4

Astronomy: Estimate the age of the observable universe

  • lelandsthename
  • · Replies 1 ·
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1

Chemistry- two point Arrhenius Equation (miscalculation?)

  • Flip
  • · Replies 1 ·
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1

Molar entropy calculation with heat capacity

  • CzarValvador
  • · Replies 2 ·
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2

What Is the Bonding Explanation for Fe2S3?

  • transgalactic
  • · Replies 3 ·
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3

How Much Ice Melts to Lower Water Temperature from 24°C to 5°C?

  • blueskadoo42
  • · Replies 7 ·
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7

Chemistry How to calculate the dipole moment of a molecule?

  • transgalactic
  • · Replies 6 ·
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6

Are All Virus Particles from Infected Cells Infectious?

  • physicsdawg
  • · Replies 1 ·
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1

Understanding Peptide Group Planarity and Resonance Stabilization

  • yungwun22
  • · Replies 1 ·
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1

Biology Questions: Understanding Genes, Patents, and Chromosomes"

  • The-BRA!N
  • · Replies 1 ·
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1

How to describe the the yonic value and type of bond of this formula

  • transgalactic
  • · Replies 1 ·
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1

Thermodynamic stabilitiy of colloidal systems

  • kasse
  • · Replies 1 ·
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1

How to know if a mulecule is polar or nonpolar

  • transgalactic
  • · Replies 7 ·
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7

Effect of degassing on particle size

  • kasse
  • · Replies 2 ·
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2

Finding the average mass number of element X from isotope abundances

  • hockeyfghts5
  • · Replies 2 ·
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2

What is the Mass Ratio Between 12C and 13C Atoms?

  • Lorek
  • · Replies 4 ·
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4

How many electrons on each level type

  • transgalactic
  • · Replies 2 ·
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2

Why Does Sulfur Take Two Electrons from Calcium?

  • transgalactic
  • · Replies 12 ·
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12

How can the titration curve be used to determine the strength of an acid?

  • Physics197
  • · Replies 7 ·
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7
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2

How do the circulatory and respiratory systems work together?

  • xLuciax
  • · Replies 3 ·
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3

How Do We Calculate Different Average Diameters of Colloids?

  • kasse
  • · Replies 1 ·
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1

Organic Chemistry- Geometric and Structural Isomers of C6H12

  • MarquisDM
  • · Replies 4 ·
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4

Calcium Carbonate in Antacid: Why Higher Yield in Wet Flask?

  • lmlgrey
  • · Replies 3 ·
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3

How are atomic radii and H-bond strength related?

  • Saladsamurai
  • · Replies 3 ·
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3

Five similarities between DNA and Protein?

  • meganw
  • · Replies 4 ·
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4

Why Do Biologists Use Specific Dyes for Different Cell Types?

  • FrancisZ
  • · Replies 1 ·
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1

Gen.Chem: homogeneous vs heterogeneous

  • geomajor
  • · Replies 14 ·
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14

Chemistry How to Calculate Equivalent Gas Volumes Using Avogadro's Law?

  • Boozehound22
  • · Replies 3 ·
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3

Crystallization Report - What is a Good Yield?

  • thE3nigma
  • · Replies 2 ·
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2

How Do You Calculate Wavelength of Infrared Radiation in Micrometers?

  • camboguy
  • · Replies 1 ·
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1

Molar enthalpy of neutralization: NaOH and H2SO4 calorimetry

  • supahsain
  • · Replies 1 ·
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1

Finding the percent weight an element in an Alloy

  • KMjuniormint5
  • · Replies 19 ·
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19

How can I calculate the heat lost by the metal in a styrofoam cup calorimeter?

  • HeartSoul132
  • · Replies 1 ·
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1

Solving the Beer-Lambert Equation for Lactate Solution

  • nobahar
  • · Replies 3 ·
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3

Henderson Hasselbalch equation Where did I go wrong?

  • shenzys
  • · Replies 3 ·
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3

Glycine/Hydrazine Buffer: Trapping Pyruvate as Hydrazone

  • nobahar
  • · Replies 2 ·
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2

Why Are Ether and Chloroform Not Suitable Solvents for ASA?

  • kevin935
  • · Replies 1 ·
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1

Reaction of strontium nitrate + copper (II) sulfate pentachloride?

  • sarcasma
  • · Replies 4 ·
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4

How do I calculate the volume density of atoms in a diamond lattice?

  • salman213
  • · Replies 1 ·
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1

Are polar bonds and polar covalent bonds the same thing?

  • sophipie27
  • · Replies 10 ·
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10

Finding R and a from pV measurements at different temperatures

  • Noor123
  • · Replies 8 ·
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8

What Is the Distance Between Adjacent Atoms in BCC [111] Direction?

  • djroberts
  • · Replies 2 ·
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2

Is there a chemical that glows when a 12 volt charge is applied?

  • stephen5466
  • · Replies 4 ·
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4

How Do Entropy and Enthalpy Influence the Dissolution of Ionic Solids?

  • nobahar
  • · Replies 3 ·
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3
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2

Organic Chem- Mechanism Question(Oxidation of Glycol)

  • HclGuy
  • · Replies 2 ·
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2

NaNo_3 dissolved in NaCl saturated solution

  • LANS
  • · Replies 2 ·
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2

What is the Average Pushing Force a Human Can Exert?

  • flfgw
  • · Replies 4 ·
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4

How would you go about describing a precise position?

  • OAQfirst
  • · Replies 5 ·
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5

Distinguish between polyunsaturated vegetable oil and petroleum oil

  • xiaofupo
  • · Replies 2 ·
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2

Biology - Different Stages of Mitosis

  • MadmanMurray
  • · Replies 1 ·
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1

How to get maximum voltage from a single wet cell battery

  • yjk91
  • · Replies 3 ·
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3
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3

Can New Reactants Reduce Nitric Oxide Pollution?

  • ninjaDUDE
  • · Replies 1 ·
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1

Organic Chemistry Synthesis Question

  • Kalm_Kenji
  • · Replies 4 ·
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4

Calculate Heat of Combustion: Grams, Heat Capacity, Temp Change

  • HeartSoul132
  • · Replies 5 ·
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5
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2

How many fruits to test in a ripening experiment design?

  • Boogeyman
  • · Replies 2 ·
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2

Huntington's Disease: Risk of Inheritance in Early 20s

  • glxvr6turbo
  • · Replies 2 ·
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2

Question on how to prepare a buffer solution

  • KyoPhan
  • · Replies 2 ·
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2

Finding container volume and liquid density from mass measurements

  • bedizzy
  • · Replies 2 ·
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2

How to distinguish between pairs of componds?

  • xiaofupo
  • · Replies 2 ·
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2

Ksp of Calcium Hydroxide - A Percentage Error of 480%?

  • Celer
  • · Replies 9 ·
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9

Volume of oxygen from water decomposition stoichiometry

  • SpoChi
  • · Replies 1 ·
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1

How Does the TDS Equation Relate CP/CV to Partial Derivatives?

  • foranlogan2
  • · Replies 1 ·
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1

What Is the Mass Percent Concentration of CaCl₂ in the Solution?

  • blueskadoo42
  • · Replies 6 ·
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6

* * Finding unknown acid concentration

  • santal0l
  • · Replies 1 ·
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1

Chemistry Chemistry - Calculating moles, mass and percentages

  • MadmanMurray
  • · Replies 8 ·
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8

Hybridization/Effective Nuc. charge questions

  • Ser
  • · Replies 5 ·
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5

How Do You Calculate the Mass of Tetraethyl Lead in Gasoline?

  • blazer105
  • · Replies 2 ·
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2

What is the relationship between temperature and Gibbs free energy?

  • Ahmed Abdullah
  • · Replies 3 ·
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3

Chemistry Are there six types of intermolecular forces or three?

  • SS4 Goku
  • · Replies 2 ·
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2

Why Isn't HCl a Hydrogen Bond?

  • loup
  • · Replies 5 ·
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5

Magnesium oxide smoke lost during the reaction?

  • Cuisine123
  • · Replies 5 ·
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5

MCAT Preparation Question - Solutions

  • icedoverfire
  • · Replies 3 ·
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3

How Can Hydrocarbon Properties Affect Specific Heat of Combustion?

  • StupidGenius
  • · Replies 3 ·
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3
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9

Starch, commercial bleach and halides

  • zipup
  • · Replies 2 ·
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2

Electron Configuration of Large Atoms

  • MadmanMurray
  • · Replies 1 ·
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1

Predict \Delta H for NaOH(s) to NaOH(g) using Hess' Law

  • ghostanime2001
  • · Replies 4 ·
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4

Help identifying a chemical structure

  • nubee
  • · Replies 8 ·
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8

What is the pH of a Weak Acid/Base Mixture?

  • cncbmb
  • · Replies 3 ·
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3

Air conditioning unit work more effectively when it is placed high up

  • firemama
  • · Replies 2 ·
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2

Why does OH⁻ separate from Na⁺ in acid-base neutralization?

  • DarylMBCP
  • · Replies 18 ·
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18