Biology and Chemistry Homework Help Forum

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Threads

Far IR light intensity as a function of altitude

  • oobgular
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1

Finding order of reaction & rate constant

  • Ryaners
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3

Calculating Entropy Change for an Ideal Gas Expansion

  • chemochem
  • · Replies 7 ·
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7

Chemistry How many moles of electrons are in 1mL of water?

  • HelloCthulhu
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2

Fastest way to freeze 1 Gallon of Water

  • Simon Luscher
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1
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4

Difference between products and reactants? Equilibrium

  • Ned Taylor
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2

Geology: the environments of some sediments

  • Asmaa Mohammad
  • · Replies 5 ·
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5

What should the null hypothesis be?

  • Tyto alba
  • · Replies 6 ·
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6

Energy changes and rates of reaction

  • allanwinters
  • · Replies 7 ·
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7

Why can we use periodic boundary conditions?

  • henry wang
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1

A problem in finding enthelpy of metal oxides

  • vijayram
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1

What Is the Nuclear Binding Energy of N-14 in Joules per Mole?

  • bree1622
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3

Schrodinger equation and Born's Rule

  • yecko
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1

What Material Should Be Used for the Window of an Alpha Source?

  • Ava Watson
  • · Replies 2 ·
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2

Average Reaction Rates Homework: Δ[A]/aΔt = Δ[ B]/bΔt

  • Not a Wrench
  • · Replies 4 ·
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4

What enzyme is responsible for the initial step in milk digestion in humans?

  • harini07
  • · Replies 18 ·
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18

Grade 12 chemistry homework help -- 2n^2 electrons possible in each energy level

  • allanwinters
  • · Replies 2 ·
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2

Chemistry Estimating number of amino acids with protein molecular mass

  • Not a Wrench
  • · Replies 1 ·
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1

General organic chemistry -- finding maximum electron density

  • harini07
  • · Replies 12 ·
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12

Thermodynamics: Compression of an Adiabatic Gas

  • Minescrushessouls
  • · Replies 2 ·
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2

Gas Laws -- why calculate the mean square speed at 273K?

  • Faiq
  • · Replies 6 ·
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6

Chemistry How to calculate new IHD after finding a molecule in IR spec

  • AMan24
  • · Replies 4 ·
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4

Which Lewis Structure is the Most Stable?

  • yecko
  • · Replies 2 ·
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2

Why Na & K are Not Acceptable for Reducing PbCl2

  • Faiq
  • · Replies 3 ·
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3

How Do You Calculate Equilibrium Concentrations in a Redox Reaction?

  • cliffordlim
  • · Replies 2 ·
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2

Why Are These Ring Structures Considered Diastereomers?

  • NY152
  • · Replies 1 ·
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1

Goodness of fit: How to decide which ratio to deal with?

  • Tyto alba
  • · Replies 3 ·
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3

Standard addition concentration positive

  • muonneutrino91
  • · Replies 4 ·
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4

IB Micro Economics, PED (price elasticity of demand) and Firms

  • luckyscar
  • · Replies 1 ·
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1

Thermodynamics Compressibility Factor

  • Logan McEntire
  • · Replies 4 ·
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4

Understanding the chemistry behind: Why O2 and not I2?

  • Tyto alba
  • · Replies 1 ·
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1

Rate Constant Determination - Isolation Method Homework Help Needed

  • cvc121
  • · Replies 5 ·
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5

How to Calculate Energy Released in an Aluminum Calorimeter Reaction?

  • hamza2095
  • · Replies 4 ·
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4
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11

Auto Ionization of Water: Understanding the Equilibrium and Heat Transfer

  • Evangeline101
  • · Replies 7 ·
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7

Rate Law Problem 1 Help: Finding OCI- Concentration Effect

  • cvc121
  • · Replies 4 ·
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4

Finding Mole Fractions in a Two-Phase Equilibrium System

  • FranciscoSili
  • · Replies 5 ·
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5

Why Are Multiple Quantum Numbers Allowed in a Hydrogen Atom?

  • yecko
  • · Replies 2 ·
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2

Reagents used to convert Toluene to Benzoic acid?

  • stratz
  • · Replies 1 ·
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1

Enthelpy change of a neutralisation reaction

  • IDK10
  • · Replies 3 ·
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3

Magnetic Susceptibility and Unpaired electrons

  • ReidMerrill
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2

IR active vibrations and point groups

  • ReidMerrill
  • · Replies 6 ·
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6

An ideal gas closed system reversible process

  • HethensEnd25
  • · Replies 2 ·
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2

Buffer solutions and pKa confusion

  • instantresults
  • · Replies 3 ·
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3
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1

Vinegar Concentration Calculation: % HC2H3O2 in a Diluted Solution

  • asadpasat
  • · Replies 1 ·
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1

Factors Affecting the Rate of Reactions

  • cvc121
  • · Replies 2 ·
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2

Iodine Clock Kinetics: Which Mechanism is Supported?

  • cvc121
  • · Replies 2 ·
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2

Hess's Law Explained | Simple Explanation for Enthalpy Change

  • IDK10
  • · Replies 2 ·
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2

Negative Free Energy - Physical Chemistry

  • cvc121
  • · Replies 1 ·
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1

How Do You Calculate ΔG for a Reaction at Non-Standard Conditions?

  • cvc121
  • · Replies 1 ·
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1

Rearrangement of the First Law of Thermodynamics

  • HethensEnd25
  • · Replies 8 ·
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8

Ligand Field Strength and UV absorbance

  • ReidMerrill
  • · Replies 2 ·
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2

How do I add S/R configuration to this?

  • stratz
  • · Replies 2 ·
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2

Organic Chem - Oxidation and Reductions

  • gabe1scott
  • · Replies 1 ·
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1

Why does oxygen carry the positive F.C in [CH3OH2]+?

  • fridakahlo
  • · Replies 2 ·
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2

Chemistry Simple elementary question chiral molecule

  • jonjacson
  • · Replies 1 ·
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1

Predict the product of the following reactions:

  • Jormungandr
  • · Replies 2 ·
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2

How Do H3CC(=O)CH2CH3 and HCO2H Behave as Lewis Acids and Bases?

  • crm07149
  • · Replies 1 ·
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1

Quantum Chemistry and ground-state energy

  • Blamo_slamo
  • · Replies 1 ·
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1

Dissolved in solution automatically mean disassociation?

  • instantresults
  • · Replies 1 ·
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1

Help with Calorimetry: Calculate ΔH, ΔU

  • stunner5000pt
  • · Replies 12 ·
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12

Acidity of TMS Acetylene vs Methane

  • gspsaku
  • · Replies 1 ·
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1

Rate Law Problem: Finding the Rate Law from Reaction Data

  • jools111
  • · Replies 2 ·
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2

Chemistry Solution check for Complex Molecule IUPAC Naming

  • pavadrin
  • · Replies 1 ·
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1

Bond Dissociation Energy Problem

  • Not a Wrench
  • · Replies 2 ·
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2

Is Dissolution of LiNO3 in Water Exothermic?

  • Mitchtwitchita
  • · Replies 1 ·
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1
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1

Reducing Ketones on Benzene Rings with H2, Pd/C, 45 psi

  • smithrg8
  • · Replies 1 ·
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1

Chemistry Statistical thermo (diatomic molecule w/harmonic oscillator)

  • jaejoon89
  • · Replies 1 ·
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1

How Do Human Cells Calculate and Utilize ATP?

  • deenuh20
  • · Replies 1 ·
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1

Quatum mechanics basic theory questions

  • sweetwater
  • · Replies 1 ·
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1

Chemistry Chemistry: Molecular Orbital Electronic Configs.

  • thepassenger48
  • · Replies 1 ·
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1

Reaction of Grignard Reagents: Alkenes, Alkynes, Alcohols, Alkanes, Amines

  • Soaring Crane
  • · Replies 1 ·
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1

Why Did the Permanganate Ion and Glucose Reaction Change Colors?

  • danago
  • · Replies 1 ·
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1

Some help understanding calculated vibrational frequncies

  • gspeed
  • · Replies 1 ·
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1

N-butyl alcohol and bromide reaction

  • kellyN
  • · Replies 1 ·
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1

Is Entropy Defined by the Gibbs Entropy Formula Extensive?

  • Tsar_183
  • · Replies 1 ·
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1

Organic Chemistry - Carbanion Question hybridization/valence/geometry

  • damnwebassign
  • · Replies 1 ·
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1

Question on Mass Spec/IR/NMR to identify compound

  • Protools
  • · Replies 1 ·
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1

Learn How to Create COSY and TOCSY Spectra for NMR Analysis

  • Denver Dang
  • · Replies 1 ·
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1

Oxidation State & Shapes of Ni(CO)4

  • Big-Daddy
  • · Replies 1 ·
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1

Aldol Condensation rxn- NaOH + acetone, then add benzaldehyde = ?

  • Lo.Lee.Ta.
  • · Replies 1 ·
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1

Chemistry Bond Angles in Trigonal Bipyramidal Molecules

  • Qube
  • · Replies 1 ·
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1

What Are the Products of These Organometallic Reactions?

  • rmjmu507
  • · Replies 1 ·
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1

Lab Calculations: How to Find Theoretical Yield

  • ThomasMagnus
  • · Replies 1 ·
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1

Equilibrium Temperature with three substances

  • ContagiousIntellect
  • · Replies 3 ·
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3

Solving Kinetics & Arrhenius Equation: Find A & Ea

  • chemphys1
  • · Replies 1 ·
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1

Liter estimations for a plankton net and copepods

  • Illyaria
  • · Replies 1 ·
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1

Expressing concentrations as a percent

  • Illyaria
  • · Replies 3 ·
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3

Chemistry Calculating the number of water molecules in trans. metal complex

  • Ryaners
  • · Replies 5 ·
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5

Physical chemistry: Energy operator and eigenfunction

  • ReidMerrill
  • · Replies 11 ·
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11

What Is the Final Temperature of a Squeezed Hot Pack with LiCl and Water?

  • Not a Wrench
  • · Replies 7 ·
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7

Chemistry Guys i in some chemistry mole exercises please

  • Giuseppe96
  • · Replies 5 ·
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5

Gas Chromatography - Organic Chemistry

  • singinglupine
  • · Replies 2 ·
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2

Quick rotational spectroscopy question(only need ideas/suggestions)

  • baldywaldy
  • · Replies 1 ·
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1

Is Vanillin Formation Likely Based on IR Spectrum Analysis?

  • jsmith613
  • · Replies 1 ·
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1

What is the finger print region of an IR spectrum?

  • fatima_a
  • · Replies 1 ·
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1

Can a Reaction Occur Between Cyclohexane and Bromine Water?

  • danago
  • · Replies 1 ·
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1