Biology and Chemistry Homework Help Forum

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Threads

Calculate Mass of NO2 in a Liter of Air

  • physicsman2
  • · Replies 7 ·
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7

Excess CuS remaining in copper sulfide and nitric acid reaction

  • miiizpiiink18
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1

Solving Iron Metal Production in a Blast Furnace

  • devon10
  • · Replies 1 ·
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1

How Many Protons for a 5g Orbital Electron Configuration?

  • Razael
  • · Replies 5 ·
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5

Why is preparing barium peroxide important for oxygen separation?

  • tpl_unlimited
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2
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6

Equilibrium titration lab: finding Fe3+ starting concentration

  • fishfish
  • · Replies 13 ·
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13

Determining inheritance mode and genotypes in two pedigrees

  • LifestyeleOrk
  • · Replies 2 ·
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2

Term Paper: Is the brain immunologically privileged?

  • Wek
  • · Replies 4 ·
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4

Balance Equations Using Half-Cell Method

  • ipl
  • · Replies 1 ·
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1

Which is More Acidic: 4-Nitrophenol or 2-Fluoro-4-Nitrophenol?

  • chunkytuna21
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1

Calorimetry - Calculating absorbed and released heat

  • edimeo25
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1

What is the correct chemical formula for AgZ compounds?

  • xortan
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2

Determining Oxidation Numbers of KClO3, NH4+, Cr2O72-, MnO42-

  • ipl
  • · Replies 5 ·
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5
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1

What Is the Molar Ratio of Water in Hydrated Sodium Carbonate?

  • nobahar
  • · Replies 3 ·
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3

What are the characteristics of phospholipids?

  • Kushal
  • · Replies 5 ·
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5

Temperature resulting from the formation of water

  • vjk2
  • · Replies 12 ·
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12

Determining the molality of a solution

  • georgiabrown
  • · Replies 7 ·
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7

Balancing Equation using redox reactions?

  • r_swayze
  • · Replies 3 ·
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3

Hydrogen and hydroxide concentration

  • nobahar
  • · Replies 4 ·
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4

Finding Z Value with Mass Spectra of Protein Fragments

  • higherme
  • · Replies 1 ·
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1

Does adding different solid affect the quilibrium?

  • Nope
  • · Replies 1 ·
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1

Radical bromination of 2 methylbutane

  • xstetsonx
  • · Replies 1 ·
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1

How do you tell if AsI3 and Sb2Te3 are ionic or covalent?

  • Jules18
  • · Replies 10 ·
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10

Whole chromosome preservation through generations

  • nobahar
  • · Replies 1 ·
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1

Balancing redox reactions occurring in acidic solutions

  • shikam08
  • · Replies 3 ·
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3

Why did they use these formulas for energy of electron.

  • cloudage
  • · Replies 3 ·
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3

Mechanism for acid-catalyzed acetylation of salicylic acid

  • lha08
  • · Replies 1 ·
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1

How Does Pectinase Solution Impact Juice Extraction in Fruit?

  • Sayuri09
  • · Replies 3 ·
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3
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2

True/false questions on photosynthesis, respiration, and ATP

  • DemiMike
  • · Replies 1 ·
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1

Chem: Why more heat released from steam than liquid water?

  • Girlygeek
  • · Replies 6 ·
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6
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1

Oxidising capaities of household bleaches

  • Dave7
  • · Replies 1 ·
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1

Future improvements and ideas for the lymphatic system

  • bobquantum
  • · Replies 2 ·
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2

How Do I Determine (S) vs. (R) Configuration in Cyclopentanediol?

  • Chiborino
  • · Replies 2 ·
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2

Chemistry Questions on polar and nonpolar molecules

  • Bohrok
  • · Replies 6 ·
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6

Naming monodentate ligand complexes

  • crays
  • · Replies 1 ·
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1

Atomic Radii of Fe and Ni: Which to Trust?

  • Dell
  • · Replies 6 ·
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6

What is the Ionisation Energy of Hydrogen in KJ mol-1?

  • crays
  • · Replies 8 ·
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8

Is a Non-Metallic Oxide Called Acid Anhydrous or Acid Anhydride?

  • 1/2"
  • · Replies 1 ·
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1
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2

Why is bubble present, in this redox reaction?

  • Nope
  • · Replies 1 ·
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1

What Determines the Bonding Structure of Sulfur Trioxide?

  • semc
  • · Replies 8 ·
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8

Titration question 2 equivalence points. Am i right?

  • A_Munk3y
  • · Replies 1 ·
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1

Calculating Molar Mass from Titration Data

  • A_Munk3y
  • · Replies 2 ·
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2

Organic Chem [Napthalene and benzoic acid]

  • crays
  • · Replies 9 ·
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9

Chemistry Wedge-and-dash Molecular Structures in 2-dimensions

  • oray
  • · Replies 3 ·
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3

How Does Pressure and Temperature Affect the Chemical Potential of CH4?

  • xxplosive1
  • · Replies 1 ·
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1

Thermodynamics: polytropic processes

  • silentwf
  • · Replies 4 ·
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4

Find pH at Endpoint: Formic Acid Titration with NaOH Solution - 8.32 Answer

  • coookiemonste
  • · Replies 2 ·
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2

Calculating Final Temperature of Water and Iron Mixture

  • TrueStar
  • · Replies 8 ·
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8

Solving Phase Change Question: What is the specific heat?

  • dnartS
  • · Replies 5 ·
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5
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9

What Are the Under-Represented Gametes in the F1 Generation?

  • chiyakotiten
  • · Replies 3 ·
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3

How is the π portion of the M=C bond in transition metals formed?

  • plexus0208
  • · Replies 2 ·
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2

What Mechanism Explains the Rate Law for 2A + B2 -> 2AB?

  • pinkfloyd12
  • · Replies 1 ·
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1

Which gas's moles can be found in a helium-argon-neon mixture?

  • Bohrok
  • · Replies 9 ·
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9

How Do Phenyl Groups Stabilize the Intermediate in Cis-Trans Isomerization?

  • plexus0208
  • · Replies 1 ·
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1

Does the Powder XRD Data Indicate a Face-Centred Cubic Structure?

  • s_gunn
  • · Replies 5 ·
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5

Balancing chemical equations and calculations using equations

  • Matt1234
  • · Replies 2 ·
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2

Gas Stoichiometry: Calculate Volume of Wet Acetylene

  • blstrs
  • · Replies 4 ·
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4

pH 7 buffer with K2HPO4 and H3PO4 using charge and mass balance

  • Zealduke
  • · Replies 1 ·
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1

Why Is It Necessary to Dissolve KHP in Water During Titration?

  • sportsstar469
  • · Replies 3 ·
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3

Gas in a 748mL cylinder of a diesel engine has a pressure of 1.72 atm

  • seminoletim
  • · Replies 3 ·
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3

Labeling NOESY cross-peaks for trans-9-(2-phenylethenyl) anthracene

  • vdeity
  • · Replies 2 ·
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2

Chemistry Calculating Polystyrene Mv Using GPC

  • NotJohnson
  • · Replies 1 ·
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1

Determining water phase and calculating work in combustion reactions

  • yaganon
  • · Replies 7 ·
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7

When a polar solvent dissolves an ionic substance

  • AngelShare
  • · Replies 8 ·
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8

How Does the Hollow Scape of a Dandelion Function?

  • h256
  • · Replies 1 ·
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1

Which Alkenes Can Exhibit Cis/Trans Isomerism?

  • ChemDoodle
  • · Replies 9 ·
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9

How to Calculate the Thickness of a Planet's Mantle?

  • burnout_128
  • · Replies 3 ·
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3

Kp problem with total pressure given

  • marquitos
  • · Replies 3 ·
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3
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1

Maxwell relations with heat capacity

  • fraggedmemory
  • · Replies 3 ·
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3

Freezing point depression calculations

  • physicsman2
  • · Replies 4 ·
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4

Chemistry Processing Uranium: UO2 to UF6 Conversion

  • Sirsh
  • · Replies 1 ·
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1

Titration of strong base + weak acid

  • UKWildcat
  • · Replies 6 ·
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6

Silver precipitation with NaCl and H2SO4 titration with NaOH

  • kevin0788
  • · Replies 3 ·
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3

Variation of masses in lead-acid battery due to H2SO4 mass variation

  • libelec
  • · Replies 5 ·
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5

Resonance structure of nitrous oxide

  • semc
  • · Replies 1 ·
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1

What is the pH Level of Urea & Sweat?

  • xLaser
  • · Replies 5 ·
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5

Miller indices for SC cube planes FAN, KFA, HAN

  • Dell
  • · Replies 9 ·
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9

What is the mechanism of this reaction?

  • dr.pharmacy
  • · Replies 11 ·
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11

Density Relationships - Cant find any good sources.

  • Ihatechem10
  • · Replies 5 ·
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5

Spontaneous Expansion of Gas into Evacuated Container: Thermodynamic Analysis

  • coookiemonste
  • · Replies 6 ·
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6

Solving the Schroedinger Wave Eq. for Li Atom

  • pzona
  • · Replies 4 ·
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4

How Does Temperature Affect the Heat Capacity of a Rubber Band?

  • llabesab16
  • · Replies 1 ·
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1

Finding pKa from weak acid titration data to nearest 0.5

  • w3390
  • · Replies 2 ·
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2
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3

Standard enthalpy change sign convention and Fe2+ valence electrons

  • crays
  • · Replies 1 ·
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1

How do you determine the valence energy level when looking at a periodic table?

  • miiizpiiink18
  • · Replies 1 ·
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1

Why does adding an electron to a halogen release energy?

  • physicsman2
  • · Replies 1 ·
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1

Determining Order and Rate Constant for Ozone Reaction at 298 K

  • plexus0208
  • · Replies 1 ·
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1

Are unhybridised orbitals symmetrical and hybridised orbitals asymmetrical?

  • UNknown 2010
  • · Replies 1 ·
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1

KD calculations (Organic chem lab)

  • ChemDoodle
  • · Replies 9 ·
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9
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6

Enthalpy and entropy for Br2 liquid to 2Br gas dissociation

  • Pr0x1mo
  • · Replies 1 ·
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1

Chemistry Calculate the oxidation no.

  • Radwa Kamal
  • · Replies 1 ·
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1