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

Gas Laws - What is the final pressure in the system?

  • Priyadarshini
  • · Replies 8 ·
Replies
8

What is the Average C-H Bond Energy in Methane?

  • Janiceleong26
  • · Replies 4 ·
Replies
4

Chemistry Molecular Energy With Relation to Number of Molecules

  • Priyadarshini
  • · Replies 4 ·
Replies
4

Vapour pressure of ethanol equilibrium problem

  • Eclair_de_XII
  • · Replies 2 ·
Replies
2

Calculate the volume produce of hydrogen in water displaceme

  • WeiLoong
  • · Replies 1 ·
Replies
1

Analyzing Bill Nye's Quote on Evolution and Education: Insights from Undeniable

  • Prof. Hawking
  • · Replies 1 ·
Replies
1

Why is k4 Greater than k3 in Cadmium Complex Formation?

  • Titan97
  • · Replies 5 ·
Replies
5

Lewis structure and thermochemistry problems

  • staralfur
  • · Replies 3 ·
Replies
3

Is Vaporising Someone Considered Murder?

  • tommfreeman1801
  • · Replies 3 ·
Replies
3

How to Calculate the Mass of MgO Using C1V1=C2V2?

  • CB23ESC
  • · Replies 9 ·
Replies
9

Interesting inter-conversions of carbon compounds

  • new hand
  • · Replies 10 ·
Replies
10

Minimum pH for nickel bar to not produce hydrogen from Ni2+/Ni cell

  • RaamGeneral
  • · Replies 2 ·
Replies
2

Hydrogen bonding in Cytosine and Guanine

  • staralfur
  • · Replies 1 ·
Replies
1

Vapor Pressure of saturated/unsaturated solution

  • Joshua Kenny
  • · Replies 7 ·
Replies
7

Calculating Mass Percent of Aluminum in a Sample Using Ideal Gas Law

  • RaamGeneral
  • · Replies 5 ·
Replies
5

What is the Glutaraldehyde Concentration in a 1-Liter Solution?

  • caliban07
  • · Replies 17 ·
Replies
17

Determining Volume of Base for ASA Experiment

  • Mary1910
  • · Replies 2 ·
Replies
2

Balancing a Redox Equation with Half-Reactions

  • RaamGeneral
  • · Replies 3 ·
Replies
3

Recombination of 2 Genes Separated by 66 Map Units

  • Suraj M
  • · Replies 3 ·
Replies
3

Predicting Acidity of PH3: Comparison to NH3 Dipole Moments

  • Fuzzykatecake
  • · Replies 1 ·
Replies
1
Replies
2

Effect of temperature on the heat of combustion

  • kester
  • · Replies 3 ·
Replies
3

Amount of salt needed to achieve a specific density of soln?

  • AqibH
  • · Replies 22 ·
Replies
22

Predicting products and driving force for MgO + HI metathesis reaction

  • in the rye
  • · Replies 12 ·
Replies
12

What Is the Cell Potential When Pb Electrode Mass Changes?

  • davev
  • · Replies 10 ·
Replies
10

Titration of Sulfurous Acid: Calculating pH with Ka Values

  • davev
  • · Replies 3 ·
Replies
3

Electrical conductivity of seawater depends on salinity how?

  • H Smith 94
  • · Replies 5 ·
Replies
5
Replies
7

How to calculate recombination frequency for gene mapping

  • andydan1056
  • · Replies 1 ·
Replies
1

How do I convert from kJ/kg to kJ/mol?

  • charlotteyip
  • · Replies 2 ·
Replies
2

Probability of a colour blind grandson

  • Suraj M
  • · Replies 29 ·
Replies
29

Limiting reactant in CaF2 and H2SO4 reaction

  • in the rye
  • · Replies 3 ·
Replies
3

It is a simple Delta G naught reaction problem

  • Deudoronomy
  • · Replies 6 ·
Replies
6

Chemistry General Chemistry Moles Question

  • in the rye
  • · Replies 9 ·
Replies
9
Replies
4

Density of Solution and mass percent

  • harman90
  • · Replies 17 ·
Replies
17

Water electrolysis - solving for final volume of the system

  • HelloCthulhu
  • · Replies 9 ·
Replies
9

Biology Genetics problem - genotypes and epistasis

  • andydan1056
  • · Replies 1 ·
Replies
1

Which Alkyl Halide Is the Least Volatile?

  • gracy
  • · Replies 11 ·
Replies
11
Replies
3

Chemistry Moles of a conjugate base in a buffer solution

  • alr1014
  • · Replies 7 ·
Replies
7

Why does carbon go from +3 to +4 in oxidation of oxalate to CO2?

  • takando12
  • · Replies 3 ·
Replies
3

What is the max. # of electrons located in the ground state?

  • Tonia
  • · Replies 2 ·
Replies
2
Replies
7

What is the difference between carbon sink and reservoir?

  • Kior
  • · Replies 2 ·
Replies
2

Chemistry How Many Moles of Electrons Weigh 1 kg?

  • takando12
  • · Replies 2 ·
Replies
2

What compounds form when magnesium corrodes in air?

  • Priyank
  • · Replies 15 ·
Replies
15

Water Hardness. Calculating Calcium.

  • Dannalee Jayvia
  • · Replies 1 ·
Replies
1
Replies
7
Replies
5

Chemistry 2 moles of H20 heated at 10A for 1hr. What is the volume?

  • HelloCthulhu
  • · Replies 4 ·
Replies
4
Replies
1

Calculating Mass in a Gas Stoichiometry Problem

  • Lili123
  • · Replies 3 ·
Replies
3

Temperature of water electrolyzed at 5A for 1 min

  • HelloCthulhu
  • · Replies 7 ·
Replies
7

What Is the Percent Yield from Aluminum to Potassium Alum?

  • Lili123
  • · Replies 2 ·
Replies
2

Finding partial pressure with only T, V and ambient P

  • Felchi
  • · Replies 3 ·
Replies
3

Finding element X in an unknown compound

  • Saracen Rue
  • · Replies 4 ·
Replies
4

How to Balance the Oxidation of H2S to Sulfate?

  • namata99
  • · Replies 1 ·
Replies
1

Henry's Law: Solving for Water Needed to Dissolve 1.48L of Gas

  • LisaNels2196
  • · Replies 3 ·
Replies
3

How do I calculate the cell potential?

  • Newton25
  • · Replies 3 ·
Replies
3

Biologically, women are superior to men?

  • Suraj M
  • · Replies 20 ·
Replies
20

How does wavelength identify the energy level transition?

  • VanessaN
  • · Replies 8 ·
Replies
8

Best optimal buffer, highest buffering capacity against naoh

  • wombaticus
  • · Replies 7 ·
Replies
7

[Game Theory] A pedestrian is hit by a car. How many people will help?

  • Dostre
  • · Replies 4 ·
Replies
4

Which fluoride is the most soluble in water?

  • Raptor
  • · Replies 2 ·
Replies
2

Find the Error: Calculating pH of 0.5L Diluted HA Solution

  • Jzhang27143
  • · Replies 1 ·
Replies
1

Ionization Energy: Who Has the Highest?

  • VanessaN
  • · Replies 1 ·
Replies
1

How to Calculate the Pressure of Each Element in a Compound Mixture?

  • MaiteB
  • · Replies 5 ·
Replies
5

Finding sunset time at 36°N, 6°E with incomplete data

  • antonyda
  • · Replies 1 ·
Replies
1

Genetic Code: Val-tRNA Val - Anticodon Selection

  • VanessaN
  • · Replies 2 ·
Replies
2
Replies
1

##\frac {t_{1/2}}{t_{3/4}}## for an nth order reaction

  • mooncrater
  • · Replies 5 ·
Replies
5

Chemistry Molecular Solid vs Network Covalent Solids

  • henry3369
  • · Replies 1 ·
Replies
1

What is the Oxidation Number of Pb in Pb(O)2?

  • ThatDude
  • · Replies 3 ·
Replies
3

They thought that the electron should fall into the nucleus?

  • student34
  • · Replies 6 ·
Replies
6

How to calculate the solubility of AgCl in a solution containing NaCl?

  • brake4country
  • · Replies 7 ·
Replies
7

Significant figures in ethanol combustion calculation

  • henry3369
  • · Replies 6 ·
Replies
6

Iodine-127 (n, alpha) reaction and nuclear decay cascades

  • MWad
  • · Replies 2 ·
Replies
2

Structure of XeF6: octahedral or pentagonal pyramidal?

  • mooncrater
  • · Replies 9 ·
Replies
9

Contribution of the auto dissociation of water

  • annnoyyying
  • · Replies 17 ·
Replies
17

Reaction of thiols with vinyl ethers

  • AdityaDev
  • · Replies 4 ·
Replies
4

Calc Solubility of PbCl2: 0.12g/0.015L

  • henry3369
  • · Replies 6 ·
Replies
6

Understanding Electron Flow in EMF Cells: Anode to Cathode or Cathode to Anode?

  • Raghav Gupta
  • · Replies 3 ·
Replies
3

What is the mass of H2 and O2 produced water electrolysis?

  • HelloCthulhu
  • · Replies 3 ·
Replies
3

Are the Two Statements About Ksp and Solubility Consistent?

  • mooncrater
  • · Replies 4 ·
Replies
4

Does the Charge on NOS Affect the Charge on Fe?

  • mooncrater
  • · Replies 5 ·
Replies
5

What Are the Products of Reductive Ozonolysis of 1,4-Cyclohexadiene?

  • Suraj M
  • · Replies 31 ·
2
Replies
31

Where Should the Standard Solution Go in an Acid-Base Titration?

  • jumbogala
  • · Replies 3 ·
Replies
3
Replies
1

Which Reaction Mechanism Aligns with the Rate Law?

  • mooncrater
  • · Replies 17 ·
Replies
17

Chemistry Partial pressure vs mole fraction graph

  • mooncrater
  • · Replies 5 ·
Replies
5
Replies
1

Predicting the product of SOCl2 with white phosphorus

  • Raghav Gupta
  • · Replies 11 ·
Replies
11

Use Sauerbrey equation explain Δf Vs. analyte concentration

  • Carmen Wong
  • · Replies 3 ·
Replies
3

##BeCl_2## and his brother ##BeH_2##

  • mooncrater
  • · Replies 5 ·
Replies
5

How Can Stoichiometry Determine the Order of an Elementary Reaction?

  • mooncrater
  • · Replies 9 ·
Replies
9

Solve Kinetics Question: Zero Order Reaction at High Pressure

  • mooncrater
  • · Replies 3 ·
Replies
3

Determining Cl- and Ag+ Concentrations in A Solution

  • cloveryeah
  • · Replies 1 ·
Replies
1

Which Molecules Exhibit Paramagnetism: Be2, B2, C2, or N2?

  • Raghav Gupta
  • · Replies 4 ·
Replies
4

A relation to Le-chatelier's principle?

  • mooncrater
  • · Replies 2 ·
Replies
2