Biology and Chemistry Homework Help Forum

Free Biology, Chemistry, Geology homework help via qualified mentors. Please use the template when requesting help and show your work. Gain understanding today!

Threads

Illustrate Hydrogen Bonding: Amino Acids

  • MightyMan11
  • · Replies 3 ·
Replies
3

Calculate Enthalpy of Ionization of Weak Acid: ΔH3

  • BayernBlues
  • · Replies 1 ·
Replies
1

1D Particle in a box - locations at set probability

  • Nykrus
  • · Replies 6 ·
Replies
6

Having trouble plotting this set of data - .

  • rowkem
  • · Replies 1 ·
Replies
1

How to Compute Activity Coefficients in Urine Samples?

  • tring
  • · Replies 7 ·
Replies
7

Chemistry- electronegativity and bonding

  • Dell
  • · Replies 1 ·
Replies
1

Chemistry - Entropy Changes in Physical Processes

  • ncm2
  • · Replies 1 ·
Replies
1

Iron(III) Chloride and Potassium Thiocyanate reaction

  • kwrgkmg
  • · Replies 1 ·
Replies
1

Sodium Phosphate and Ammonium Molybdate reaction

  • kwrgkmg
  • · Replies 1 ·
Replies
1

How Do HCl, Aniline, Sodium Nitrite, and Beta-Naphthol React?

  • penguinraider
  • · Replies 2 ·
Replies
2

Competitive inhibitors (biochemistry)

  • catie1981
  • · Replies 4 ·
Replies
4

Easy percentage prob (for pro) hahah

  • geffman1
  • · Replies 1 ·
Replies
1

Lineweaver-Burke and some peculiar results

  • nobahar
  • · Replies 4 ·
Replies
4

Finding the number of atoms in 0.500 mol of Argon

  • canadiangirl3
  • · Replies 4 ·
Replies
4

Is transcription a subprocess of translation in protein synthesis?

  • soopo
  • · Replies 2 ·
Replies
2

Mass of cluster question in astronomy

  • jaficara
  • · Replies 1 ·
Replies
1

Polymer: Draw Structural Formula 1,3-Butadiene Z

  • pmart491
  • · Replies 1 ·
Replies
1

NH4HS equilibrium with solid and CCl4 decomposition with Kp

  • synergix
  • · Replies 10 ·
Replies
10

Why does an endothermic reaction cool an insulated chamber?

  • madgab89
  • · Replies 2 ·
Replies
2

CO Paramagnetic/Diamagnetic & Bond Strength

  • camboguy
  • · Replies 1 ·
Replies
1

Which C4H10O Alcohols Do Not React with K2Cr2O7?

  • aamaa
  • · Replies 3 ·
Replies
3

Product of sodium borohydride reducing methyl benzoate

  • doublemint
  • · Replies 1 ·
Replies
1

Theoretical max. pressure of a given quantity of water freezing to ice

  • anisotropic
  • · Replies 1 ·
Replies
1

Pressure above which graphite will spontaneously change into diamond

  • anisotropic
  • · Replies 1 ·
Replies
1

PH of solution from mixing four solutions

  • MightyMan11
  • · Replies 2 ·
Replies
2
Replies
7

Gen Chem - Isomers in a complex ion

  • elitespart
  • · Replies 2 ·
Replies
2

Thermal Decomposition of Carbonates

  • sb.neethu
  • · Replies 3 ·
Replies
3

Chemistry - Net ionic equations, ionic solids

  • kaitamasaki
  • · Replies 2 ·
Replies
2

Who can do the summary for me i need it now

  • kkkkkaka
  • · Replies 1 ·
Replies
1
Replies
5

Electrolysis problem: volume of H2 from charge that deposits 3.34 g Cu

  • Kudo Shinichi
  • · Replies 4 ·
Replies
4

How Do KCl and NaCl Differently Affect Stomatal Opening in Plants?

  • rowkem
  • · Replies 5 ·
Replies
5

Partial pressures and equilibrium question

  • veitch
  • · Replies 3 ·
Replies
3

What mass must be added to raise concentration? Am I doing this right?

  • veitch
  • · Replies 1 ·
Replies
1

Why Is HCl a Stronger Acid Than H2S?

  • Sir_Viking
  • · Replies 1 ·
Replies
1

Solve Back Titration Problem to Find Ammonium Sulfate Mass in Fertiliser

  • Identity
  • · Replies 2 ·
Replies
2

What is the Total Heat Capacity of the Calorimeter?

  • gogeta2006
  • · Replies 3 ·
Replies
3

Explaination needed for Stoichiometric problem and is Al salt colorless?

  • yeahyeah<3
  • · Replies 1 ·
Replies
1

Where can I find a good explanation of atomic orbitals?

  • yyttr2
  • · Replies 5 ·
Replies
5

Maxwell's theory of Tm fact or science fiction

  • Geofizz
  • · Replies 2 ·
Replies
2

Why did my Biuret's test on eggwhite result in a brown color?

  • Fluff
  • · Replies 3 ·
Replies
3

Quantitative Analysis Course - Titration Problem

  • Raihn
  • · Replies 3 ·
Replies
3

Graph Reciprocal of Time vs Concentration in Chemistry

  • HelloMotto
  • · Replies 3 ·
Replies
3

How Can I Verify Results for My Grade 9 Science Experiment?

  • princevisram
  • · Replies 4 ·
Replies
4

Solve for \Delta G at 1000K: NH_{4}Cl Reaction

  • Swerting
  • · Replies 5 ·
Replies
5

Acid gas disposal problem

  • slyman
  • · Replies 1 ·
Replies
1

Chemistry Question: Pressure Change at Different Temperatures

  • hemihead_dave
  • · Replies 3 ·
Replies
3

Quantitative Biuret's test for protien

  • flumbie
  • · Replies 3 ·
Replies
3

What would be the good method and solvent to purify biphenyl?

  • Fairway
  • · Replies 4 ·
Replies
4
Replies
1

Heat produced when burning sugar C₁₂H₂₂O₁₁ in combustion reaction

  • NekoVictoria
  • · Replies 5 ·
Replies
5

How much energy does it take to cool and heat up water

  • pooker
  • · Replies 2 ·
Replies
2

How to Calculate Kp for a Sealed Vessel at Equilibrium?

  • veitch
  • · Replies 1 ·
Replies
1

Struggling with Acids and Bases Concepts in Chemistry AP?

  • Skynt
  • · Replies 2 ·
Replies
2

MC: Chemistry Ideal Gas vs Real Gas

  • yeahyeah<3
  • · Replies 3 ·
Replies
3

What Is the Formula of a Mixed Copper Salt Formed with OH- and Br- Ions?

  • wcbryant87
  • · Replies 4 ·
Replies
4

Calculating Volume of Air for Nitrogen Dioxide Dillution

  • synergix
  • · Replies 1 ·
Replies
1

Why does K3Fe(C2O4)3 synthesis with H2O2 produce gas?

  • z89
  • · Replies 2 ·
Replies
2

Particle in a box problem

  • chemasdf
  • · Replies 8 ·
Replies
8

Molar enthelpy of combustion of magnesium

  • domthebomb
  • · Replies 1 ·
Replies
1

Question regarding homeostasis in Daphnia

  • chris097
  • · Replies 4 ·
Replies
4
Replies
1
Replies
1

Measuring oxygen content with a burning candle in water

  • yjk91
  • · Replies 2 ·
Replies
2

How to Balance Chemical Equations Involving Hydrogen and Atoms?

  • Draggu
  • · Replies 17 ·
Replies
17

Minimum Pressure applied by reverse osmosis?

  • yeahyeah<3
  • · Replies 1 ·
Replies
1

Chemistry Determining the quantity in moles of the gas that remains unreacted ?

  • mcandrewsr
  • · Replies 1 ·
Replies
1

What is the differences between hydrolysis and hydration?

  • crays
  • · Replies 1 ·
Replies
1
Replies
13

Equilibrium constant for S2 + 2H2 ⇌ 2H2S using ICE table

  • Anna_Kwong
  • · Replies 8 ·
Replies
8

Predicting and Writing Net Ionic Equations for Chemical Reactions

  • mcandrewsr
  • · Replies 4 ·
Replies
4

Chemistry Calculating volume for dilution and molarity from titration

  • chmdummy1982
  • · Replies 3 ·
Replies
3

CHEM - Uranium isotope relative abundance at diff times

  • thiev
  • · Replies 1 ·
Replies
1

Finding molar mass of unknown gas from effusion rates

  • hockeyfghts5
  • · Replies 1 ·
Replies
1
Replies
3

Take-home free response question on plants

  • brycewillard
  • · Replies 3 ·
Replies
3

Endothermically dissociating compounds ?

  • tictac
  • · Replies 1 ·
Replies
1

Left, Right or Double headed arrow?

  • Meganrose
  • · Replies 1 ·
Replies
1

Mechanism for Aspartame to methanol?

  • jessedevin
  • · Replies 1 ·
Replies
1

What is the correct expression for the rate law of a first order reaction?

  • atavistic
  • · Replies 1 ·
Replies
1

Is the Blood Alcohol Level High Enough for a DWI?

  • Planarian
  • · Replies 10 ·
Replies
10

Are hybrid structures and superposition the same thing in benzene?

  • Parnpuu
  • · Replies 3 ·
Replies
3

Does Dipole Moment Increase with Bond Length for the Same Charge?

  • KYPOWERLIFTER
  • · Replies 4 ·
Replies
4

How much 10% and 24% acid solution to make 10 L of 14%?

  • imdapolak
  • · Replies 3 ·
Replies
3

Chemistry: Significant Figures and Addition

  • Soaring Crane
  • · Replies 8 ·
Replies
8

Accounting for evaporated water in bunsen burner calorimetry

  • chemishard93
  • · Replies 3 ·
Replies
3

What is the Percentage by Mass of CH4 in the Mixture?

  • ElementUser
  • · Replies 3 ·
Replies
3

1-bromobutane conversion work shown

  • johnq2k7
  • · Replies 1 ·
Replies
1

Calculating Ksp: A Temperature-Dependent Approach

  • elitespart
  • · Replies 2 ·
Replies
2
Replies
1

Finding the subscript in NOCl using the octet rule

  • hockeyfghts5
  • · Replies 1 ·
Replies
1

Where Does Phosphate for ATP Cycle Come From?

  • prime-factor
  • · Replies 1 ·
Replies
1

How to Calculate Heat Lost or Gained in a Reaction?

  • HelloMotto
  • · Replies 1 ·
Replies
1

Is My Stoichiometry and Limiting Reagents Work Correct?

  • wvlaxxer81
  • · Replies 1 ·
Replies
1

Which Substance Acts as an Acid or Base in These Cases?

  • transgalactic
  • · Replies 2 ·
Replies
2

How does adding H2SO4 or NaOH shift the Cr2O7- and CrO4- equilibrium?

  • lliu11
  • · Replies 1 ·
Replies
1
Replies
1

Calculating the [H+] and pH of a lactic acid solution

  • biochemstuden
  • · Replies 2 ·
Replies
2

Why aren't cell potentials multiplied by coefficients?

  • demonelite123
  • · Replies 3 ·
Replies
3