Biology and Chemistry Homework Help Forum

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Threads

Write down the reactions in which ClO2 is created

  • Ondina
  • · Replies 2 ·
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2

Reaction between Copper, Hydrogen Peroxide, and Vinegar

  • Ben-P
  • · Replies 5 ·
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5

Are the Colours of Mercuric Compounds Accurate?

  • mooncrater
  • · Replies 1 ·
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1

Is Ferric Oxide Protective or Not?

  • mooncrater
  • · Replies 1 ·
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1

Create Buffer: Sodium Citrate & Citric Acid

  • TheExibo
  • · Replies 1 ·
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1

What is Turnbull's Blue and Why is Its Formula Incorrect?

  • mooncrater
  • · Replies 1 ·
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1

Born-Haber Cycle: Formation of a Chlorine Atom

  • henry3369
  • · Replies 2 ·
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2

What is the solubility of K2Cr2O7 in water at 20 °C?

  • jdawg
  • · Replies 7 ·
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7

Calculating Phosphate Concentration in Water: A Scientist's Perspective

  • caliban07
  • · Replies 7 ·
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7

What's with deuterium? an organic problem

  • mooncrater
  • · Replies 8 ·
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8

Mere approximation problem or something else? Thermodynamics

  • mooncrater
  • · Replies 7 ·
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7

Which Expression Represents the Solubility Product for Cu(OH)2?

  • brake4country
  • · Replies 6 ·
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6

What Is the Change in Entropy When Mixing N2 and O2 Gases?

  • mooncrater
  • · Replies 14 ·
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14

How Do You Calculate the Resonance Energy for CO2 Using Hess's Law?

  • mooncrater
  • · Replies 6 ·
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6

What's the chemical formula of cement and resin?

  • inesnoussa
  • · Replies 1 ·
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1

What is the Ka for C3H6O3 in a titration with NaOH?

  • cloveryeah
  • · Replies 3 ·
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3

A mixture of K chloride and K nitrate problem

  • skepticwulf
  • · Replies 4 ·
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4
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1
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8

How Do We Calculate Entropy Change for an Ideal Gas?

  • mooncrater
  • · Replies 2 ·
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2

Heat of Atomization Ethane: Wavelength to Break C-C Bond

  • Raghav Gupta
  • · Replies 11 ·
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11

Ammonia and Oxygen Reaction: How Many Moles of NO?

  • skepticwulf
  • · Replies 3 ·
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3

Relation between system enthelpy and surrounding entropy

  • mooncrater
  • · Replies 3 ·
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3

Why Max work is equal to electric work?

  • mooncrater
  • · Replies 3 ·
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3
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1

Is 5s2 5p4 in Group 17 and Period 6 on a Different Periodic Table?

  • Raghav Gupta
  • · Replies 2 ·
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2

Stability of Carbocation: The Impact of +I Effect

  • nishanth R
  • · Replies 1 ·
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1

Which have smallest bond angle? NH3 or N(CH3)3?

  • kimiaUNY
  • · Replies 2 ·
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2

How Do You Solve a Delta T Analysis Problem in Homework?

  • Teemo
  • · Replies 4 ·
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4

Is 3FeCl2 to 2FeCl3 and Fe(s) a Disproportionation Redox Reaction?

  • Elvis 123456789
  • · Replies 1 ·
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1

Determine if the dissolving process is exo/endothermic and

  • davidbenari
  • · Replies 17 ·
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17

Standard enthelpy of formation water

  • brake4country
  • · Replies 10 ·
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10

Standard Reduction Potential Changes in Regards to Acidity

  • Teemo
  • · Replies 4 ·
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4

State of matter by reversing reaction

  • henry3369
  • · Replies 1 ·
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1

How Does Exchange Energy Influence Ionization in Transition Metals?

  • mooncrater
  • · Replies 3 ·
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3

How Is Standard Gibbs Free Energy Calculated for Water Vapor Formation?

  • brake4country
  • · Replies 9 ·
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9

Is Berrylium Capable of Showing an Oxidation State of +6?

  • mooncrater
  • · Replies 17 ·
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17

Instead of HCl why should I use H2SO4+NaCl?

  • mooncrater
  • · Replies 3 ·
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3

Bacteria only found in dry areas as cysts?

  • pleasehelpme123
  • · Replies 1 ·
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1

Osmolarity Calculations for 5% Glucose, .89% NaCl, and 8% Glucose Solutions

  • Nouranoura
  • · Replies 7 ·
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7

Thermodynamic Problem: Ideal Gas Expansion and Work Calculation

  • mooncrater
  • · Replies 16 ·
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16

Waves - Power spectral density to amplitude

  • chipmeisterc
  • · Replies 2 ·
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2

Simple test for harmful chemicals in food

  • Space Knight
  • · Replies 7 ·
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7

Deriving a Rate Equation for a Reversible Elementary Mechanism

  • annnoyyying
  • · Replies 15 ·
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15

A gaseous mixture contains ethane and propane problem

  • skepticwulf
  • · Replies 5 ·
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5

Iron metal reacts with oxygen problem

  • skepticwulf
  • · Replies 2 ·
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2

Why is Air Bubbled and Beaker Covered in Plant Root Experiment?

  • Barclay
  • · Replies 4 ·
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4
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3

Prepare Methyl Iodide Using SN2 Mechanism

  • Mind_It
  • · Replies 2 ·
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2

Predicting Spontaneity of 2CO(g)+O2(g)=2CO2(g)

  • reconrusty
  • · Replies 2 ·
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2

Multiple Choice Question about Enthelpy of Formation

  • TheExibo
  • · Replies 2 ·
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2

PV Work for Electrolysis Using Van Der Waals Equation

  • HelloCthulhu
  • · Replies 8 ·
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8

How to calculate molar mass of N2 at 5 Pa and 373 K?

  • Sami Ali Khan
  • · Replies 1 ·
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1

Kinetics question: calculating rate constants

  • annnoyyying
  • · Replies 11 ·
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11

Can I get ethyne from ethane like this on a highschool test?

  • susankhanoom
  • · Replies 1 ·
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1

Precision and accuracy of a solution

  • cham
  • · Replies 9 ·
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9

Enthelpy's Equation of state vs Energy's equation of state

  • stuffchemistry
  • · Replies 1 ·
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1

Lower pH w/ Equal Vol 0.60M NaOH: 0.70 M KOH

  • ThatDude
  • · Replies 4 ·
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4

Enthelpy of reaction calculation?

  • Centralscience
  • · Replies 6 ·
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6

Average Dose Rate for 1.11x108 Bq of 131I Injection

  • xamy
  • · Replies 1 ·
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1

Why is ΔH°rxn -1172 kJ for This Reaction?

  • Drakkith
  • · Replies 4 ·
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4

Thermal decomposition of group 1 and 2 nitrates

  • KingCrimson
  • · Replies 1 ·
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1

Magnesium Reacting With Acids, molar enthelpy

  • xodreamxo
  • · Replies 1 ·
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1

Which Materials Are Conjugated Polymers?

  • Agalev
  • · Replies 12 ·
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12

What Are the Solubility Rules for Predicting Precipitate Formation?

  • ThatDude
  • · Replies 4 ·
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4

Biology Effects of Trp Operon Mutations on Gene Regulation

  • Arnoldjavs3
  • · Replies 5 ·
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5

What is the equivalence point on this graph?

  • Tianna
  • · Replies 2 ·
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2

Representing the Rate of Production?

  • TheExibo
  • · Replies 4 ·
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4

Why Tetrahydrothiophene is Stronger Acid than Tetrahydrofuran

  • gracy
  • · Replies 8 ·
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8

Increase Catalyst Surface Area & Reaction Rate: Experiment

  • tvbuddy01
  • · Replies 3 ·
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3

Calculating ΔH Using Hess's Law: What Steps Are Involved?

  • Eclair_de_XII
  • · Replies 17 ·
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17

What Determines the Products of Heating (NH4)2CO3?

  • Drakkith
  • · Replies 9 ·
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9
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2

Rate Law Equation: Solving for m & k

  • TheExibo
  • · Replies 5 ·
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5

Do diabetics have sugary interstitial fluid?

  • Lo.Lee.Ta.
  • · Replies 3 ·
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3

What is the Most Likely Product of Decomposing a Carbonate?

  • Teemo
  • · Replies 2 ·
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2

Internal Energy Change: Homework Solutions

  • Teemo
  • · Replies 1 ·
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1

What is the growth on metal railings and how can it be removed?

  • Suraj M
  • · Replies 8 ·
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8

Genetic sequence multiple choice question

  • Arnoldjavs3
  • · Replies 5 ·
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5
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2

Chemistry What is the Mole Fraction of Each Gas in the Mixture?

  • henry3369
  • · Replies 4 ·
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4

How does the orientation of hydrogen affect E2 elimination?

  • 8008jsmith
  • · Replies 1 ·
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1

Pyrite roasting -- Mass balance with chemical reaction

  • MexChemE
  • · Replies 2 ·
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2
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6

Sig Fig Question Homework: What's Wrong?

  • ThatDude
  • · Replies 2 ·
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2

Finding mass of acetyl salicylic acid in aspirin tablet

  • annnoyyying
  • · Replies 2 ·
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2

What are the essential conditions for polymerization to take place?

  • toothpaste666
  • · Replies 17 ·
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17

Buffer Solution Calculation Example

  • TheShiny
  • · Replies 16 ·
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16

Why is As2S3 Named Arsenic Trisulfide?

  • zachem62
  • · Replies 1 ·
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1

Vapor pressure curve for carbon dioxide

  • Sirluke
  • · Replies 2 ·
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2

What Are Secondary Metabolites and Their Importance in Plant Biology?

  • Aafia
  • · Replies 1 ·
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1

Why Was My pH Calculation Wrong?

  • patrickbotros
  • · Replies 1 ·
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1

Proving Kp will remain constant if total press. is doubled

  • CroSinus
  • · Replies 2 ·
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2

Calculating Kp for gas mixture from picture

  • CroSinus
  • · Replies 4 ·
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4

Diels-Alder Reaction: A Simple Explanation?

  • Qube
  • · Replies 2 ·
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2

Identifying Hydrocarbon X: A Homework Challenge

  • desmond iking
  • · Replies 14 ·
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14

Minimum Codon Length for 20 Amino Acids with 6 Nitrogenous Bases

  • toothpaste666
  • · Replies 15 ·
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15

Final Pressure of Gas Mixture After Reaction Completed

  • ngu9997
  • · Replies 10 ·
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10

Why Does C6H5CH(Cl)CH3 < (CH3)3 CCl < C6H5C(CH3)2 Cl Undergo SN1 Reaction?

  • desmond iking
  • · Replies 1 ·
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1

How to Convert Tartaric Acid to H2C2O4?

  • desmond iking
  • · Replies 3 ·
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3