Biology and Chemistry Homework Help Forum

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Theoretical Yield, Molar Mass, and Percent Yield

  • chmdummy1982
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Lack of Lewis Catalyst for Bromination (Halogenation)

  • thE3nigma
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1

Recovering KNO3 from Aqueous Solution at 10°C

  • synergix
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1

Do larger seeds need less water to germinate?

  • rowkem
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1

What Is the Average Atomic Mass of M in M2S3?

  • George3
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2

Choose the Best Fluid for Lifting: Hydraulic vs. Pneumatic

  • tenpai
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1
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4
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3

Stomatal density between monocot and dicot

  • lliu11
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1

Dissolving Equation for NH3: NH3 + H2O = NH4+ + OH-

  • synergix
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1

What Went Wrong in My NaCl Density Calculation?

  • Iyafrady
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1

Is water a solute or solvent when dissolved in methanol?

  • lucky_star
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4

Biology How Do Genetics Explain Human Diversity and Similarity?

  • maryp86
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1

Hydrogen bonding diagram for three NH3 molecules

  • phys1618
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4

How to Calculate the Shortest Distance Between Atoms in a BCC Structure?

  • vipertongn
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2

Why is My Free Energy Calculation from Ksp Incorrect?

  • elitespart
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1

First order decomposition with rate constant 0.00313 sec⁻¹

  • lucky_star
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1

Biology How would a biologist determine that a mutation has occurred when ?

  • alliereid
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2

Ideal Gas Mixture Composition Calculation

  • Oblivion77
  • · Replies 7 ·
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7

Phenol Dissociation: O-H Bond Weaker?

  • crays
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1

Salt industry: chemistry, products, and societal impacts

  • div33a
  • · Replies 1 ·
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1

Carbon Dioxide and Water: Lewis Base or Bronsted-Lowry Base?

  • nothing123
  • · Replies 5 ·
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5
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2

How to Convert Reaction Rate from mol-1sec-1 to sec-1?

  • piplaw
  • · Replies 2 ·
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2

Redefining SI units so gravitational and electric constants are equal

  • Banaticus
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3

What is the color of solid silver phosphate?

  • elitespart
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1

What mechanism is responsible for the sequencing of amino acids?

  • webbertay
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1

How is the Wheatstone Bridge equation affected when VG is not zero?

  • sciencegirl1
  • · Replies 13 ·
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13

Deriving Gay-Lussac's law from Charles' and Boyle's laws

  • ƒ(x)
  • · Replies 2 ·
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2

PartB Distribution of coefficent in immiscible solvents

  • Fairway
  • · Replies 5 ·
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5

What is the pH of a 0.085 M solution of a weak base that is 1.6% ionized?

  • Fragment
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2

Redox Reactions: Identifying and Understanding Chemical Transformations

  • nothing123
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1

Electron Configuration: Determine from Periodic Table

  • rosem
  • · Replies 1 ·
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1

Solving Reaction Rates in Lab Experiments

  • natash
  • · Replies 1 ·
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1

Synthesis of oxalate complexes, post lab question

  • natash
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1

Is average slope between two points related to individual segment slopes?

  • alliereid
  • · Replies 1 ·
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1

Deriving Equations for Two-State Ion Channel Kinetics

  • thame
  • · Replies 2 ·
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2

Why do I have more moles of PF3 than the stoichiometry allows?

  • Dell
  • · Replies 10 ·
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10

Calculate Molality of 27% H2SO4 Solution

  • fishingspree2
  • · Replies 6 ·
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6
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1

Phases You Can't See with Spindle Inhibition

  • nobahar
  • · Replies 5 ·
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5

Calculating pH of Na3PO4 and NaH2PO4 Solution with Ka Values for H2CO3

  • atavistic
  • · Replies 3 ·
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3

Calculating Atomic Mass: How Many Grams in 1 amu?

  • Roger Wilco
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2

Force of Attraction between two ions?

  • Saladsamurai
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1

pH of 0.1 M NaHCO3 with given Ka values

  • atavistic
  • · Replies 1 ·
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1

Average kinetic energy of CH4 and N2 at 294 K and 574 K

  • ironizer
  • · Replies 4 ·
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4

How Does the Cleaning Industry Rely on Chemical Reactions?

  • DarkMaster
  • · Replies 4 ·
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4
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2

Potential Sources of Error in Lactate Absorption Measurements

  • nobahar
  • · Replies 10 ·
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10

Why does a DNA strand contain uracil instead of thymine?

  • alliereid
  • · Replies 4 ·
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4
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2

Solubility Combining Ionic Equations,

  • Maharg
  • · Replies 4 ·
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4

Calculate Al3+ Mass: Al2(SO4)3.18H2O for 40mg/mL Solution in 50mL

  • fishingspree2
  • · Replies 1 ·
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1

Acids/Bases Specific Heat Capacity: 4.18J?

  • ditto_299
  • · Replies 1 ·
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1

Finding limiting reactant when both products contain all elements

  • Saladsamurai
  • · Replies 5 ·
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5

Chemistry How many grams of H2O are produced when 2.5 moles of O2 are used?

  • magaly79
  • · Replies 3 ·
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3

Bronsted - Lowry Theory Of Acids and Bases

  • DarylMBCP
  • · Replies 25 ·
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25

Calculate Gas Vol at S.T.P. from 750.0 mmHg, 85.0°C

  • HelloMotto
  • · Replies 1 ·
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1

How Do You Convert cm3 to dm3 in Chemistry Calculations?

  • ditto_299
  • · Replies 5 ·
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5

Calculating mass of vapor from vapor pressure

  • Bacat
  • · Replies 4 ·
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4

Finding the Right Lewis Structure: Formal Charge

  • Dell
  • · Replies 3 ·
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3

Why Do Some Researchers Use [mm a-1] Instead of [mm yr-1]?

  • travroth
  • · Replies 4 ·
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4

Why is the fulminate ion unstable despite resonance stabilization?

  • elliotyang
  • · Replies 1 ·
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1

Organic Lab Acetanilide Crystallization

  • rhyang
  • · Replies 6 ·
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6

Phosphates Colorimetric Determination

  • Snitzel
  • · Replies 4 ·
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4

PH of buffer with addition of conjugate base

  • Maharg
  • · Replies 3 ·
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3

Acetylsalicylic acid in ferric chloride test

  • Fairway
  • · Replies 2 ·
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2

O-Chem Alkyl Halide Reaction with a Chair Conformation

  • persephone
  • · Replies 2 ·
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2

pH calculations for titration of NaOH with HCl

  • marcuss
  • · Replies 1 ·
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1

Gaussian 03W Bonding: How Does It Work?

  • dreamzndigita
  • · Replies 1 ·
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1

Enthalpy of combustion of sucrose from bomb calorimeter data

  • Thyferra2680
  • · Replies 1 ·
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1

Manipulation of Heat and Work Equations

  • Wilson95
  • · Replies 1 ·
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1

Solving a Solubility Problem: Ba(NO3)2 Crystallisation

  • elliotyang
  • · Replies 1 ·
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1

Calculating the composition of vapor in mass percent

  • rzinn
  • · Replies 1 ·
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1

Calculating Mass of Precipitate in a Chemical Reaction

  • darkwatcher
  • · Replies 3 ·
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3

What is the probability of a tie when two individuals flip biased coins?

  • mind0nmath
  • · Replies 2 ·
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2

Chemistry 2.00 mole of an ideal, monatomic gas

  • nkk2008
  • · Replies 3 ·
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3

Identifying Chemical vs Physical Changes

  • Maroc
  • · Replies 3 ·
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3

Empirical formula of magnesium oxide

  • dabinee
  • · Replies 1 ·
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1

Phthalic Anhydride derived Polyesters and Nylon structures+reactions?

  • ptpatil
  • · Replies 2 ·
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2
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1
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6

Finding limiting reagent in NaOH and H2SO4, and benzene and bromine reactions

  • hockeyfghts5
  • · Replies 4 ·
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4

Solve Electrical Work Problem: 15V to 5V

  • punjabi_monster
  • · Replies 3 ·
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3

What is the relationship between density and phase diagrams?

  • meganw
  • · Replies 3 ·
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3
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1

Ideal Gas Law: Solving for V with Constant R: Units L or m3?

  • anisotropic
  • · Replies 3 ·
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3

How much water to dissolve 1.49 L of gas using Henry's law?

  • ttiger2k7
  • · Replies 6 ·
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6
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1

Determining Concentration of H2SO4 in Diluted Solution

  • Kitty808
  • · Replies 2 ·
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2

What is the Value of Avogadro's Number for Ru in hcp Packing?

  • vipertongn
  • · Replies 3 ·
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3

How Do You Calculate Molar Mass from BCC Packing?

  • vipertongn
  • · Replies 4 ·
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4

What is the Typical Rotational Frequency of N₂ at Room Temperature?

  • jaded18
  • · Replies 8 ·
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8
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1

Independent and Dependent Variables

  • ditto_299
  • · Replies 1 ·
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1

K+ channel forces during resting potential and hyperpolarization

  • lillia~
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1
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3
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5

What is the Boiling Point of Water in Breckenridge?

  • meganw
  • · Replies 2 ·
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2

How Many Diffusion Processes Occur During Pregnancy?

  • kasse
  • · Replies 1 ·
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1