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

AP Chemistry kinetics, equilibrium graphs, and acid rain questions

  • jaehyung_91
  • · Replies 1 ·
Replies
1

Effect of light intensity on photosynthesis rate in plants

  • xxiffiexx
  • · Replies 4 ·
Replies
4

Hybridization and Geometry of OH- Ion

  • lkh1986
  • · Replies 4 ·
Replies
4

What are the chemical reactions and benefits involved in the cleaning industry?

  • lilitalianmami9
  • · Replies 4 ·
Replies
4

What is the mechanism behind electron displacement in Pd-Bi reactions?

  • nazgjunk
  • · Replies 2 ·
Replies
2

Why is Copper(II) More Common Than Copper(I)?

  • chriswwt
  • · Replies 3 ·
Replies
3

Can absolute zero be reached, and what is the evidence for it?

  • MalayInd
  • · Replies 1 ·
Replies
1

Write chemical equations for the action

  • Fly_High
  • · Replies 11 ·
Replies
11

Difference between precipitate and solution?

  • Fly_High
  • · Replies 6 ·
Replies
6

Gr. 11. Titration problem (check if my answer is right)

  • tuzzer
  • · Replies 3 ·
Replies
3

Is a benzylic carbocation more stable than an allylic carbocation?

  • chaoseverlasting
  • · Replies 8 ·
Replies
8

IUPAC name of a branched chain hydrocarbon

  • loom91
  • · Replies 18 ·
Replies
18

Get Biology Final Exam Help Before Tuesday

  • Biology_Help
  • · Replies 9 ·
Replies
9

Calculate Molar Enthalpy of Hydrochloric Acid Solution

  • Marzguerilla
  • · Replies 7 ·
Replies
7

How Do You Calculate pH After Adding NaOH to H2S Solution?

  • physstudent1
  • · Replies 6 ·
Replies
6

DNA mutation coding sequence mRNA translation

  • SA32
  • · Replies 1 ·
Replies
1

Endothermic Decomposition Experiment

  • spicegirl
  • · Replies 3 ·
Replies
3

Calculate the pH of 100mL HOAc + 100mL Ba(OH)2

  • Joules23
  • · Replies 4 ·
Replies
4
Replies
3

Seeking Clarity on Calculating Molar Binding Energy of Carbon-12

  • Moe_slow
  • · Replies 4 ·
Replies
4

Florine with water and aqueous Fe2+

  • Samurai33
  • · Replies 1 ·
Replies
1

Organic Chemistry: Understanding Hydrogen-Carbon Bonds

  • Fusilli_Jerry89
  • · Replies 2 ·
Replies
2

pH of mixed NH3 and HCl solution with ICE table

  • N_L_
  • · Replies 2 ·
Replies
2

Biology What Role Does Genetics Play in Homework Assignments?

  • the expert
  • · Replies 2 ·
Replies
2

Electron distribution and ion charges for oxygen and sodium

  • Kramer
  • · Replies 6 ·
Replies
6

Calculating the Atlantic Ocean's Widening: A Plate Tectonics Question

  • globetrotter269
  • · Replies 3 ·
Replies
3

Calculate ocean crust depth and mid-ocean ridge position from bathymetry data

  • bennyfromNY
  • · Replies 1 ·
Replies
1

Chemistry Assistance for the Struggling Sophomore

  • ReoFonzo
  • · Replies 5 ·
Replies
5

How pH Affects SO2 Absorption in NaOH Scrubbers

  • katchum
  • · Replies 18 ·
Replies
18

Chemistry Which Species is Most Likely to Exist According to Molecular Orbital Theory?

  • ultimateguy
  • · Replies 2 ·
Replies
2

Solving Half Equation Problems in Redox Reactions

  • fabbo
  • · Replies 2 ·
Replies
2

Buffer Solution pH: Impact of Adding 1L of 5pH on a 100L Solution

  • ratiram
  • · Replies 2 ·
Replies
2

Isoelectronic Question: Oxygen Ion and Isoelectronic Species Comparison

  • bobbarkernar
  • · Replies 1 ·
Replies
1

Chemistry - energy and photons, Lewis structures

  • SA32
  • · Replies 3 ·
Replies
3
Replies
1

DNA and mRNA sequence for Ala-Gly-Thr-Leu protein

  • PhysicsNoob88
  • · Replies 5 ·
Replies
5

Will an Aqueous Solution of KBr Be Acidic, Basic, or Neutral?

  • future_vet
  • · Replies 7 ·
Replies
7

Half Life for a second order reaction

  • preet
  • · Replies 1 ·
Replies
1
Replies
4

What Determines the Boiling Point of an Organic Mixture?

  • Soaring Crane
  • · Replies 2 ·
Replies
2

AIDS eradication and cure research efforts

  • apples
  • · Replies 2 ·
Replies
2

Dissolving Weak Acids: What to Expect with 0.5g Sodium Acetate in Water

  • biscuits 13
  • · Replies 1 ·
Replies
1

How Does a 408mm Cassegrain Telescope's CCD Capture Light Spectrum?

  • rubble
  • · Replies 2 ·
Replies
2

PH question, I really don't get this

  • night nurse 991
  • · Replies 6 ·
Replies
6

Biology Genetics of Colour Blindness: A Familial Inheritance Question

  • rapidfire5
  • · Replies 5 ·
Replies
5

How Can I Solve This Challenging General Chemistry Problem?

  • b3av3r
  • · Replies 1 ·
Replies
1

Removing H_3O^+ ions from aq. solution

  • atOnz
  • · Replies 3 ·
Replies
3

Calculating Carbon, Hydrogen Content in Solid Fuel

  • GG!!
  • · Replies 1 ·
Replies
1

Organic Compound's Mass from Vapor Pressure

  • Soaring Crane
  • · Replies 1 ·
Replies
1

Why can sulphur lose 6 electrons while magnesium can't gain 6?

  • dontdisturbmycircles
  • · Replies 1 ·
Replies
1

How Does Electron Flow Work in a Zn-Cu Electrochemical Cell?

  • chazgurl4life
  • · Replies 3 ·
Replies
3

Does This Example Violate the Law of Multiple Proportions?

  • breez
  • · Replies 1 ·
Replies
1

How does deuterium exchange with hydrogen in molecules?

  • baqi
  • · Replies 1 ·
Replies
1

Tire pressure increases from 2.0 to 2.2 atm as temperature rises

  • iluvu
  • · Replies 2 ·
Replies
2

How do I balance NH3 + H2O -----> NH4OH?

  • caprija
  • · Replies 8 ·
Replies
8

Help with homework question

  • shermaine80
  • · Replies 2 ·
Replies
2

Balancing copper hydroxide and cupric carbonate equations

  • caprija
  • · Replies 4 ·
Replies
4

Arrhenius acid definition: hydrogen ions, pH, and ionic compounds

  • alias_grace
  • · Replies 3 ·
Replies
3
Replies
4

What are the most number of consecutive double bonds carbon can have

  • bananan
  • · Replies 3 ·
Replies
3

Why Is FeSO4 Not a Primary Standard?

  • hags_63
  • · Replies 3 ·
Replies
3

Why Are Only 1-2 Drops of Indicator Used in a Titration Experiment?

  • !Live_4Ever!
  • · Replies 1 ·
Replies
1

How Does Solvent on Test Tube Walls Affect Freezing Point Depression Results?

  • needchemhelp
  • · Replies 1 ·
Replies
1

What determines the size of an ion in an octahedral complex?

  • lord12
  • · Replies 1 ·
Replies
1

Why mercury is liquid at room temperture?

  • pivoxa15
  • · Replies 3 ·
Replies
3

Aerospace Engineeering Experiments

  • moust
  • · Replies 1 ·
Replies
1

Chemistry Difficult AP Chemistry Question (Titration + Calculating Moles)

  • twotaileddemon
  • · Replies 6 ·
Replies
6

Heat of solution database for sodium acetate and trihydrate

  • teleport
  • · Replies 5 ·
Replies
5

Formula for Mercuric Carbide: Hg^2C_{2}?

  • GLprincess02
  • · Replies 1 ·
Replies
1

Calculating How Long Scuba Divers' O2 and He Mixture Will Last

  • teleport
  • · Replies 1 ·
Replies
1

Questions In Electricity And Thermal Physics

  • almirza
  • · Replies 4 ·
Replies
4

Hi can someone me with couple of my lab questions .

  • mary_k
  • · Replies 1 ·
Replies
1

What Factors Affect the Rate of Photosynthesis?

  • bobmcbobman1342
  • · Replies 2 ·
Replies
2

pH of 0.175 M HOCl and titration with NaOH

  • APCalculus
  • · Replies 2 ·
Replies
2

Double replacement reaction question

  • Elites Renee
  • · Replies 1 ·
Replies
1
Replies
1

Help with redox reactions and solid classifications

  • konartist
  • · Replies 2 ·
Replies
2

How Do You Calculate Expected Cell Voltage in Electrochemistry?

  • leaf345
  • · Replies 1 ·
Replies
1

Is Converting a Secondary Amine to a Primary Amine Possible with This Route?

  • kankerfist
  • · Replies 2 ·
Replies
2

Ranking of the properties of these things?

  • pivoxa15
  • · Replies 2 ·
Replies
2

Finding sources on industrial pollution

  • saad ahmed khan
  • · Replies 2 ·
Replies
2

Which Atom Has a Larger Atomic Radius: K+ or Ar?

  • rdgt3000
  • · Replies 1 ·
Replies
1

Gas binary system vinyl chloride - water

  • bigufo
  • · Replies 1 ·
Replies
1

Scientific explanation of a chip pan fire + water

  • BrettBlade
  • · Replies 20 ·
Replies
20

Is Temperature Constant in Exothermic Reactions?

  • AcidRainLiTE
  • · Replies 2 ·
Replies
2

Ionic Radius: Ordering Cl-, Be2+, Li+, F-, H-

  • ubiquinone
  • · Replies 2 ·
Replies
2

Relationship between free energy and the equilibrium constant

  • chazgurl4life
  • · Replies 1 ·
Replies
1

How many phosphorus atoms are in 8.75 moles of H2P2O7?

  • sweetshelly
  • · Replies 3 ·
Replies
3

What reactions convert alkyl halides to alcohols, alkenes, and alkynes?

  • Tensaiga
  • · Replies 4 ·
Replies
4

Acetone derived from conventional petroleum?

  • manhattan1nyc
  • · Replies 2 ·
Replies
2

My essay on the atmospheric boundary layer

  • Anisotropic Galaxy
  • · Replies 1 ·
Replies
1

How Do You Measure the Characteristics of a Chemical Reaction?

  • Equilibrium
  • · Replies 1 ·
Replies
1

Specific application of (E)-4-hexen-1-ol?

  • Bibinou
  • · Replies 2 ·
Replies
2

Astronomy related angle question (more of a Trig Q)

  • conquertheworld5
  • · Replies 1 ·
Replies
1

Chemistry-acid base equilibria

  • chromeX
  • · Replies 4 ·
Replies
4

How many valence electrons does sulfur have?

  • southerngirl5390
  • · Replies 2 ·
Replies
2

Find theoretical yield from a balanced equation

  • g-tar-man
  • · Replies 7 ·
Replies
7

Titanium 2+ Ion electronic structure?

  • Max Eilerson
  • · Replies 1 ·
Replies
1

Difference between glocose and glycogen

  • jacklwk
  • · Replies 2 ·
Replies
2

Chemistry Is Heating Hydrated Copper (II) Sulfate a Chemical or Physical Change?

  • !Live_4Ever!
  • · Replies 4 ·
Replies
4