Biology and Chemistry Homework Help Forum

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Which is more harmful to skin: soap or detergent?

  • Docscientist
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Calculating ∆rH° for Cu + O2 -> CuO

  • Diamond101
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5

What is the purpose of glacial acetic acid in the oxidation of benzhydrol?

  • Delta what
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Find Cv as a function of V & T (or P & T) given G(P,T)?

  • Dai_Yue
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1

Is this correct Hess' law, thermodynamics

  • Diamond101
  • · Replies 22 ·
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22

Ion-Ion Repulsion in Micelle Formation: Understanding Soaps

  • Docscientist
  • · Replies 6 ·
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6

Explanation for exception in a trend? - Chemistry

  • hamza2095
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1

CO2: A Vital Component of Our Environment?

  • Docscientist
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6

Biology Genetic Mutations: Point Mutation & Nonsense

  • master_333
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1

Decomposers and Non-Biodegradable Substances: Impact on Soil Ecosystems

  • Docscientist
  • · Replies 5 ·
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5

Using Iso and Neo Prefixes for Alkanes and Alkenes Isomers

  • Docscientist
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2

Thermochem, thermodynamics, diatomic gas at constant volume

  • Diamond101
  • · Replies 8 ·
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8

Comparing Reactivity: F, Cl, and Br in the Periodic Table

  • Anithadhruvbud
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3

Understanding question : Concentration

  • brycenrg
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5

Thermodynamics - Heat of Reaction

  • Prathamesh
  • · Replies 12 ·
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12

Half-Reactions: Find Strongest Oxidizing Agent

  • brake4country
  • · Replies 5 ·
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5

Wavenumber of corresponding isotope peak in IR?

  • magnesium12
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1

Mixed Inhibition: Finding Ki & Ks Relation

  • Dassinia
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3
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Why is methyl red soluble in water AND ether?

  • vetgirl1990
  • · Replies 4 ·
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4

Possible # alleles at locus of 3 base-pairs (diploid)?

  • Lo.Lee.Ta.
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Oxidation and specific heat capacity

  • Marcin H
  • · Replies 2 ·
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How do I rank these leaving groups?

  • Delta what
  • · Replies 5 ·
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5

How Many Elements Exist If n <= 4?

  • erisedk
  • · Replies 5 ·
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5

Calculating pH of Al2(SO4)3 Solution

  • terryds
  • · Replies 3 ·
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3

Question regarding the rate law of a reaction

  • ShellDough
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Chemistry Determine Weight Percent given molecular weight....

  • hdp12
  • · Replies 4 ·
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4

How are useless remnants from catabolism separated?

  • zade70
  • · Replies 1 ·
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1

Cl2 + KI Reactions: Observing Changes Over Time

  • Priyadarshini
  • · Replies 6 ·
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6

Periodic Table and oxidising agent

  • Priyadarshini
  • · Replies 14 ·
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14

Quick Question about theory in solving Ksp?

  • RoboNerd
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Which of the symptoms is characteristic for food allergy

  • zade70
  • · Replies 2 ·
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2

Chemistry Solving the Mystery of 76 moles of P4O10

  • brycenrg
  • · Replies 2 ·
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2

Which of the foods is more possible to cause allergy

  • zade70
  • · Replies 3 ·
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3

What is the difference between amu and u in atomic mass units?

  • brycenrg
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1
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5

Understanding Hess' Law: C2H4 + H2O -> C2H5OH

  • terryds
  • · Replies 1 ·
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1

What is the right amount of citric acid and sodiumhypophosphite?

  • Cyrus the great
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% glycolic acid needed to replace 40% phosphoric acid

  • Pastaking
  • · Replies 2 ·
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2

Find spin only magnetic moment of [Fe(H2O)5NO](2+)

  • Titan97
  • · Replies 3 ·
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3

How do you know what salt to use for salt bridge?

  • ppppparker
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1

Why is Pure Water Most Soluble for AgCl?

  • RoboNerd
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1

Presentation about Roger Bacon (rainbows)

  • AngularMomentum
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3

Can my sample be contaminated by grease on a rotary evaporator?

  • Cyrus the great
  • · Replies 1 ·
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How Does the Conjugated System of Chlorophyll Affect Photon Absorption?

  • obiwankenobi
  • · Replies 5 ·
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5

Why Does Adding Nitric Acid to Copper and Carbon Dioxide Produce Brown Gas?

  • Revengeance
  • · Replies 14 ·
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14

Should You Pour Acids and Bases Over a Sink in a Lab?

  • TT0
  • · Replies 4 ·
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4

Find how many times blood is filtered in the kidney?

  • prishila
  • · Replies 1 ·
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1

How many times is blood filtered in the kidney?

  • prishila
  • · Replies 3 ·
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3

Meiosis vs Mitosis: Chromosome Differences Explained

  • master_333
  • · Replies 1 ·
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1

Find the amount of O2 the blood absorbs in the lung

  • prishila
  • · Replies 1 ·
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1

Solving Dissociation Reaction Homework

  • krootox217
  • · Replies 11 ·
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11

Chemistry in Daily Life: Coursework Ideas & Experiments

  • WeiLoong
  • · Replies 5 ·
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O'Chem keto-enol tautomerization

  • brake4country
  • · Replies 2 ·
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2

Organic chem2 - Synthesis of 1-chloro-3-ethyl-5-nitrobenzene

  • placebooooo
  • · Replies 2 ·
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Question about acid and base multiple choice solving

  • RoboNerd
  • · Replies 7 ·
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7

Which species of Fe are considered dissolved Fe?

  • 1question
  • · Replies 4 ·
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4

Chemical Kinetics: Understanding the Reaction of A & B

  • krootox217
  • · Replies 2 ·
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2

Question about acid and base indicators

  • RoboNerd
  • · Replies 7 ·
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7

Free Radical Stability Homework: Find the Optimal Temp

  • Priyadarshini
  • · Replies 7 ·
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7

Physical Chemistry Homework: Equilibrium Constant and Gas Properties

  • krootox217
  • · Replies 5 ·
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5

How much gram of sorbitol, should I to weigh on the balance?

  • Cyrus the great
  • · Replies 5 ·
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How Do You Correctly Name These Ionic Compounds?

  • brycenrg
  • · Replies 4 ·
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4

Is Option 2 the Correct Answer for Huckel's Law?

  • Priyadarshini
  • · Replies 6 ·
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6

Solubility in g/L of zinc hydroxide with pH of 8

  • Scatteredheroes
  • · Replies 3 ·
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3

What is the most effective way to determine the stability of carbocations?

  • Priyadarshini
  • · Replies 7 ·
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7

Maximum number of no bond resonating structures

  • Priyadarshini
  • · Replies 2 ·
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2

Stability of Alkenes: Homework Solutions

  • Priyadarshini
  • · Replies 2 ·
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2

OChem 2 - LiAlH4 vs NaBH4 - Lab Question

  • Ony
  • · Replies 8 ·
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8

Reasons for error in percentage of oxygen in KClO3 lab

  • GiantSheeps
  • · Replies 3 ·
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3

Titration of KMnO4 and H2O2 under Acidic Conditions

  • watermarked
  • · Replies 2 ·
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2

Decomposition Rxn: (NH4)2CO3 → 2NH3 + H2O + CO2

  • Sace Ver
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3

Where do cations travel to in a voltaic cell?

  • TT0
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1
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4

Calculating N2O4 Reaction Rate in 4L Container

  • Nanu Nana
  • · Replies 3 ·
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3

Why is Sulfur Mentioned in Qualitative Analysis of Hg+2 and Cu+2?

  • TT0
  • · Replies 4 ·
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4

Which Compound Has Highest Boiling Point?

  • TT0
  • · Replies 3 ·
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3
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4

Best Solvent for Lipid Extraction from Starch?

  • Cyrus the great
  • · Replies 7 ·
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7

Why Is the d Shell Filled Before s in Certain Transition Metals?

  • TT0
  • · Replies 3 ·
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3

What is the concentration of starch in this example?

  • Cyrus the great
  • · Replies 10 ·
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10

What is the concentration of my starch?

  • Cyrus the great
  • · Replies 9 ·
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9

What type of solids have regular geometric pattern?

  • TT0
  • · Replies 6 ·
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6

Which Pairing Is Not a Set of Conjugates?

  • TT0
  • · Replies 2 ·
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Is this the correct explanation? (phase equilibria)

  • TT0
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2

How do solute particles increase boiling point?

  • TT0
  • · Replies 2 ·
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Which Will Undergo Faster Williamson Ether Synthesis?

  • Suraj M
  • · Replies 6 ·
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6

Catalyst increasing both forward and reverse reaction rate

  • TT0
  • · Replies 2 ·
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Chemistry What is the percentage of KClO3 in a mixture after removing oxygen?

  • brbrett
  • · Replies 12 ·
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12

Does Propanoic Acid Have a Lower Boiling Point Than n-Butyl Alcohol?

  • erisedk
  • · Replies 9 ·
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9

Electrophilic Aromatic Substitution

  • erisedk
  • · Replies 2 ·
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Find EN Values for Compounds w/ > 2 Elements

  • Sace Ver
  • · Replies 4 ·
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4

Titration Questions Homework: Dry/Wet Flasks, Stoppering Flasks

  • Badgeray
  • · Replies 4 ·
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Acids & Bases: Aspirin pKa, pH in Stomach & Intestine

  • erisedk
  • · Replies 9 ·
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9

Calculating Moles of NaCN from Gram Formula Weight

  • erisedk
  • · Replies 2 ·
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Easy Stoichiometry Concentration Problem

  • htrrht
  • · Replies 4 ·
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4
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2

What is the relationship between titrations and starting pH?

  • brake4country
  • · Replies 12 ·
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12

React with Br2 & I2 Higher Question

  • CheesyPeeps
  • · Replies 2 ·
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2