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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!

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What Orbitals Are Involved in Bond Formation for Common Molecules and Ions?

Soaring Crane
Nov 8, 2005 · Replies 1 · Nov 9, 2005

Replies: 1

How Can You Accurately Measure pH and Ka of Acids Using Alternative Methods?

Just some guy
Nov 8, 2005 · Replies 3 · Nov 9, 2005

Replies: 3

What Happens When Aluminum Reacts with Copper Chloride Dihydrate?

Imparcticle
Nov 7, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Should Baking Soda and Antacids Have the Same Acid-Neutralizing Effect

!Live_4Ever!
Nov 6, 2005 · Replies 6 · Nov 7, 2005

Replies: 6

Net Ionic Equations: Write Formulas & Predict Products

Soaring Crane
Nov 6, 2005 · Replies 4 · Nov 6, 2005

Replies: 4

4Cu + O2 --> What is the name of the compound ?

parwana
Nov 6, 2005 · Replies 3 · Nov 6, 2005

Replies: 3

Classifying Amphoteric Oxides - Li_2O, BeO, P_4O_6, Cl_2O, etc.

dx/dy=?
Nov 5, 2005 · Replies 5 · Nov 6, 2005

Replies: 5

Why does Benedict's test require heat for accurate results?

PianistSk8er
Nov 6, 2005 · Replies 1 · Nov 6, 2005

Replies: 1

What Are the Solutions to These Chemistry Problems?

almirza
Nov 6, 2005 · Replies 1 · Nov 6, 2005

Replies: 1

What Does the -ic Suffix Indicate in Chemistry?

Math Is Hard
Nov 5, 2005 · Replies 2 · Nov 5, 2005

Replies: 2

Gas Laws Corrections: Calculating Volume & Molar Mass

DB
Nov 4, 2005 · Replies 3 · Nov 5, 2005

Replies: 3

Electron Config: Same for O, Ne, Mg (2+); Ni, Zn (2+); Hg, Tl+, Pb (2+)

Soaring Crane
Nov 5, 2005 · Replies 1 · Nov 5, 2005

Replies: 1

Alkali Metals and Ionization Energy

Soaring Crane
Nov 4, 2005 · Replies 1 · Nov 5, 2005

Replies: 1

Problem with titration problem Please HELP

philipisaia
Nov 1, 2005 · Replies 1 · Nov 4, 2005

Replies: 1

Balancing Redox Reactions in Basic Solutions

RoKe
Nov 3, 2005 · Replies 1 · Nov 4, 2005

Replies: 1

Bismuth sulphide structural diagram

PhysicBeginner
Nov 3, 2005 · Replies 2 · Nov 4, 2005

Replies: 2

Why does the boiling point of a liquid increase with an increase in pressure?

rocketboy
Nov 3, 2005 · Replies 5 · Nov 4, 2005

Replies: 5

P3+(g) --> P4+(g) + e-: Highest Ionization Energy

Soaring Crane
Nov 3, 2005 · Replies 2 · Nov 4, 2005

Replies: 2

What is the Diameter of an Iridium Atom in Angstroms?

parwana
Oct 30, 2005 · Replies 3 · Nov 4, 2005

Replies: 3

Can potato skin effect the rate at which catalase breaks down hydrogen peroxide

faisal
Nov 4, 2005 · Replies 1 · Nov 4, 2005

Replies: 1

Explanations of variations in errors with regards to enzymes

faisal
Nov 3, 2005 · Replies 2 · Nov 3, 2005

Replies: 2

The variable R as the Universal Gas Constant

Verder07
Nov 3, 2005 · Replies 1 · Nov 3, 2005

Replies: 1

Column Chromatography: Speculate on Why Compounds Came Off as Mixture

chiefy
Nov 1, 2005 · Replies 2 · Nov 3, 2005

Replies: 2

Nuclides: Highest or Lowest Binding Energy Most Stable?

tandoorichicken
Nov 2, 2005 · Replies 3 · Nov 3, 2005

Replies: 3

Testing Phenotypic Ratios: Results of Chi Square Test

jena
Nov 2, 2005 · Replies 1 · Nov 2, 2005

Replies: 1

Question on Endo/Exothermic reactions

!Live_4Ever!
Nov 1, 2005 · Replies 3 · Nov 2, 2005

Replies: 3

Equilibrium: Iron(III) as Indicator for Ag+ Concentration

Intr3pid
Nov 2, 2005 · Replies 2 · Nov 2, 2005

Replies: 2

The equation is the speed of light = wavelength * frequency right?

AngelShare
Nov 1, 2005 · Replies 5 · Nov 1, 2005

Replies: 5

How to Determine the Chemical Formula and Identify Illinium?

altenrim
Oct 30, 2005 · Replies 1 · Oct 31, 2005

Replies: 1

Endocytosis Explained: Receptors & How They Work

discombobulated
Oct 30, 2005 · Replies 3 · Oct 30, 2005

Replies: 3

Calculating Empirical Formula | Antimony & Sulfur Reaction

extraordinarygirl
Oct 29, 2005 · Replies 4 · Oct 30, 2005

Replies: 4

Understanding Enzymes: Error Bars, Substrate Drops, and Insulin Structure

faisal
Oct 28, 2005 · Replies 3 · Oct 30, 2005

Replies: 3

Highest second ionization energy of elements

jewilki1
Oct 29, 2005 · Replies 1 · Oct 30, 2005

Replies: 1

How much energy is required to ionize one atom of Al?

jewilki1
Oct 29, 2005 · Replies 1 · Oct 29, 2005

Replies: 1

Help With Half Reaction/Redox Equation

erok81
Oct 28, 2005 · Replies 2 · Oct 29, 2005

Replies: 2

What Are the Basic Pathologies Related to Sugar Metabolism in Humans?

aychamo
Oct 27, 2005 · Replies 1 · Oct 28, 2005

Replies: 1

Biology Genetics-Two heterozygous brown-eyed (Bb)

jena
Oct 26, 2005 · Replies 8 · Oct 27, 2005

Replies: 8

How Many Electrons Are Transferred in This Balanced Equation?

m0286
Oct 26, 2005 · Replies 2 · Oct 27, 2005

Replies: 2

Balancing Redox Reactions: Ion Electron Method Explained

force
Oct 26, 2005 · Replies 3 · Oct 27, 2005

Replies: 3

Calculating Weight of Argon in a Cylinder

simonak
Oct 26, 2005 · Replies 3 · Oct 27, 2005

Replies: 3

Enthelpy of Dissolution vs. Enthelpy of Solution

Wailing Fungus
Oct 26, 2005 · Replies 4 · Oct 26, 2005

Replies: 4

Biology How Do Viruses Mutate?

Aka
Oct 26, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

Calculating Human Lifespan with Avagadro's Number: A Quick Chemistry Question

extraordinarygirl
Oct 26, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

Factor(s) that affect percent yield

soggybread
Oct 25, 2005 · Replies 2 · Oct 26, 2005

Replies: 2

How Can Sordaria Illuminate Genetic Studies in Haploid Organisms?

Ester
Oct 16, 2005 · Replies 14 · Oct 25, 2005

Replies: 14

What Are the Products of These Double Replacement Reactions?

GDawg36
Oct 25, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

Dissolving Non-Polar Solutes in Cyclohexane

jrd007
Oct 25, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

Help with Complex Chemical Reactions Needed

soschm111
Oct 25, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

What is a Sphere Equation? Help with Chemistry Problem

Math Is Hard
Oct 24, 2005 · Replies 12 · Oct 25, 2005

Replies: 12

Rates of Reaction: Sodium Thiosulphate & HCl

sueanne
Oct 25, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

Help with Equations: Solve 'em Quick!

soschm111
Oct 25, 2005 · Replies 1 · Oct 25, 2005

Replies: 1

What Volume of KOH is Needed to Titrate H2SO4 Solution?

laker_gurl3
Oct 24, 2005 · Replies 2 · Oct 24, 2005

Replies: 2

What Challenges Arise in Calculating pH Changes in Buffer Solutions?

dekoi
Oct 21, 2005 · Replies 2 · Oct 24, 2005

Replies: 2

Entropy How much of the water is solid?

StonieJ
Oct 19, 2005 · Replies 3 · Oct 24, 2005

Replies: 3

How Many Grams of Methane to Heat Your Home?

hola
Oct 23, 2005 · Replies 4 · Oct 24, 2005

Replies: 4

Calculating Freezing Point of 50% Antifreeze Radiator Fluid

sunnyorange
Oct 23, 2005 · Replies 2 · Oct 24, 2005

Replies: 2

Dodecahedral Metal Coordination: Are There Two Distances to Coordinating Atoms?

osskall
Oct 20, 2005 · Replies 1 · Oct 24, 2005

Replies: 1

Confused about Mixtures and Substances? Get Help Now!

Imparcticle
Oct 23, 2005 · Replies 4 · Oct 24, 2005

Replies: 4

Chemistry - Stoichiometry - Some limiting reactants

uchihajeff
Oct 23, 2005 · Replies 3 · Oct 23, 2005

Replies: 3

What is the Formation Constant of Iron(III) Thiocyanate?

phizuks
Oct 20, 2005 · Replies 3 · Oct 23, 2005

Replies: 3

Why do certain sugars produce more CO2 in anaerobic reactions?

Tido611
Oct 18, 2005 · Replies 5 · Oct 23, 2005

Replies: 5

Help with light, wavelength, and photons

jewilki1
Oct 21, 2005 · Replies 3 · Oct 23, 2005

Replies: 3

Chemistry: Algebra Combining Equations [Enthelpy]

intellekt
Oct 22, 2005 · Replies 2 · Oct 22, 2005

Replies: 2

Calculate the change in energy of the hydrogen atom

jewilki1
Oct 21, 2005 · Replies 1 · Oct 22, 2005

Replies: 1

[chem]Lewis Structure-Expanded Valence Shell

Carolyn
Oct 21, 2005 · Replies 1 · Oct 22, 2005

Replies: 1

What are the historical uses and discovery of Beryllium?

!Live_4Ever!
Oct 22, 2005 · Replies 1 · Oct 22, 2005

Replies: 1

Light that has enough energy to cause this bond to break?

jewilki1
Oct 22, 2005 · Replies 1 · Oct 22, 2005

Replies: 1

Calculate the energy of this photon in Joules

jewilki1
Oct 22, 2005 · Replies 1 · Oct 22, 2005

Replies: 1

Cars & Corrosion: 6 Testing Methods & Protection

dorkydoorknob
Oct 21, 2005 · Replies 1 · Oct 21, 2005

Replies: 1

How Can a Researcher Correctly Prepare Ba3(PO4)2 Instead of Ba(HPO4)?

Soaring Crane
Oct 20, 2005 · Replies 1 · Oct 21, 2005

Replies: 1

Kinetics of an iodine clock reaction?

OH group student
Oct 20, 2005 · Replies 1 · Oct 21, 2005

Replies: 1

What are the three essential fatty acids found in flaxseed oil capsules?

Math Is Hard
Oct 20, 2005 · Replies 6 · Oct 21, 2005

Replies: 6

My Textbook Wrong? Chemical Change Examples Explained

Ki Man
Oct 20, 2005 · Replies 3 · Oct 21, 2005

Replies: 3

Cellular respiration biology lab discussion

judi6070
Oct 19, 2005 · Replies 2 · Oct 20, 2005

Replies: 2

Which wave would you observe first?

jewilki1
Oct 20, 2005 · Replies 2 · Oct 20, 2005

Replies: 2

Could someone check this for me? (photon and wavelength)

confusedbyphysics
Oct 17, 2005 · Replies 1 · Oct 20, 2005

Replies: 1

Bunch of Equations and Stoichiometry

vague
Oct 18, 2005 · Replies 4 · Oct 20, 2005

Replies: 4

Energy is emitted by one excited sodium atom when it generates a photon?

jewilki1
Oct 19, 2005 · Replies 1 · Oct 20, 2005

Replies: 1

Reaction of PbO and NaOH: What's the Product?

sniffer
Oct 19, 2005 · Replies 1 · Oct 19, 2005

Replies: 1

Calculating Total Entropy Change for a Three-Step Process

StonieJ
Oct 19, 2005 · Replies 1 · Oct 19, 2005

Replies: 1

How Can You Identify a Nucleophile Without a Charge?

chiefy
Oct 17, 2005 · Replies 1 · Oct 19, 2005

Replies: 1

What would I do to be able to recover the silver metal?

extraordinarygirl
Oct 18, 2005 · Replies 3 · Oct 18, 2005

Replies: 3

Precipitation Reaction: K2SO4 + Ba(NO3)2

Soaring Crane
Oct 18, 2005 · Replies 1 · Oct 18, 2005

Replies: 1

How Do You Determine Reactivity in Double Displacement Reactions?

extraordinarygirl
Oct 18, 2005 · Replies 3 · Oct 18, 2005

Replies: 3

How can you test for the presence of citral?

chiefy
Oct 17, 2005 · Replies 4 · Oct 18, 2005

Replies: 4

How Large Can the Surface Area of Pulmonary Capillaries Get?

kevin86
Oct 17, 2005 · Replies 3 · Oct 18, 2005

Replies: 3

Balancing Acid-Base Reactions with Acetic Acid and Ethylene Diamine

Jeann25
Oct 17, 2005 · Replies 3 · Oct 18, 2005

Replies: 3

Concentration Graphs: Instantaneous time

SS2006
Oct 17, 2005 · Replies 3 · Oct 18, 2005

Replies: 3

Reduction of C=O: Clemensen vs Wolf-Kischner

net_nubie
Oct 17, 2005 · Replies 2 · Oct 17, 2005

Replies: 2

Learn About Meiosis: How Does Cell Size Change?

master_of_chaos
Oct 16, 2005 · Replies 1 · Oct 16, 2005

Replies: 1

Calculating the Mass of a Star from a Planet's Orbital Period

A_I_
Oct 16, 2005 · Replies 1 · Oct 16, 2005

Replies: 1

How to Determine the Rate of Reaction for NaHCO3 and H2SO4?

aisha
Oct 13, 2005 · Replies 2 · Oct 16, 2005

Replies: 2

How to Calculate Molality for a 0.5% Urea Solution at 0°C?

shaiqbashir
Oct 16, 2005 · Replies 1 · Oct 16, 2005

Replies: 1

Calculate Degree of Dissociation & pH of 0.1M Propionic Acid

shaiqbashir
Oct 16, 2005 · Replies 1 · Oct 16, 2005

Replies: 1

Calculating the pH of 0.1M Acetic Acid Neutralized by NaOH (Ka = 1.7 x 10^-5)

shaiqbashir
Oct 16, 2005 · Replies 1 · Oct 16, 2005

Replies: 1

How Do You Calculate Freezing and Boiling Points of Solutions?

Ai_Shinya
Oct 13, 2005 · Replies 5 · Oct 16, 2005

Replies: 5

Chemistry Please help me in finding this relative molecular weight

shaiqbashir
Oct 15, 2005 · Replies 1 · Oct 15, 2005

Replies: 1

Hemoglobin Binding: Cooperativity Explained

jena
Oct 11, 2005 · Replies 2 · Oct 15, 2005

Replies: 2

Is Acetic Acid Protonated or Deprotonated at Different pH Levels?

babbagee
Oct 14, 2005 · Replies 1 · Oct 14, 2005

Replies: 1

Calc Net Charge of Guanine @ pH 3.5

babbagee
Oct 13, 2005 · Replies 1 · Oct 14, 2005

Replies: 1

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Bio and Chem Homework Help

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Tutors or resources offering bio and chem homework help aim to clarify complex concepts, aid in problem-solving, and reinforce students' understanding of fundamental principles in these scientific disciplines. This support plays a crucial role in helping students succeed in their biology and chemistry coursework by providing additional explanations and guidance outside of the classroom.

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