Biology and Chemistry Homework Help Forum

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9

Calculate Heat in Combustion of C4H10(g)

  • needhelp83
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1

Synthetic schemes to convert butane to 2,3-dimethylpent-2-ene

  • dr2112
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1

Heat of solution for sulfuric acid in water

  • michristina
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2

How Does Cancer Affect the Cell Cycle Through Cyclin/Cdks?

  • hydralisks
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2

How to Calculate PH and POH when Adding Solid KOH to HCL Solution?

  • vileofmsz
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5

Oxidation reaction from alcohol to aldehyde

  • kathyt.25
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1

Electron Configurations in excited states

  • viper2308
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3

Calculating Volume for Acid-Base Stoichiometry Problem

  • webz
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4

Sterilizing Blood Serum - Autoclaving at 121°C

  • leena19
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2

Chemistry Solve Mass-Mole Conversion: 1kg CaF2 = 13mol

  • webz
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1

How Much Does It Cost to Scent an Aircraft Hangar with Vanillin?

  • mahachit
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3

The reducing agent in this redox equation?

  • ally1h
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1

Can you consider a benzene ring to also be an alkene?

  • kathyt.25
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3

Quick question: Hydrocarbon nomenclature

  • kathyt.25
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1

How does molecular shape affect boiling point in organic compounds?

  • staka
  • · Replies 18 ·
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18

Hybridized in order for it to bond to other atoms?

  • kathyt.25
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2

Solving Malonic Acid Neutralization: 30mL sample, 35mL 2M NaOH

  • DarylMBCP
  • · Replies 6 ·
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6

Number of sp3-Hybridized Carbon Atoms in Tamoxifen

  • kathyt.25
  • · Replies 7 ·
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7

Rat of reaction problems i have no idea how to do

  • alesia070
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1
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1

Calculating Silver Chloride Solubility at 25℃

  • staka
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2

Theoretical Yield Calc: Asprin (C9H8O4)

  • kathyt.25
  • · Replies 10 ·
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10

Predicting Precipitate Formation with Al2(SO4)3 and NaOH Solutions

  • ghostanime2001
  • · Replies 22 ·
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22

What does (en) mean in a chemical formula/ligands

  • A_lilah
  • · Replies 4 ·
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4

Molar Enthelpy question with Combustion

  • staka
  • · Replies 3 ·
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3

What Is the Correct Name for CrCl2(en)2?

  • A_lilah
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1

Solving AgCl and Ag2CrO4 Solubility Product Homework

  • leena19
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2

Is There an Error in My Equilibrium Calculations?

  • nuomi
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3
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5
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1

Conversion of cyclopropane to propene

  • geffman1
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3

Calculating the pH of a HCl-NaOH Mixture

  • geffman1
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2

Calculating Heat Released in Ba(s) + O2(g) → 2BaO(s) Reaction

  • geffman1
  • · Replies 3 ·
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3

Required Pressure for 5% Methane-95% Air Combustion to Heat to 853 K

  • mifarris
  • · Replies 10 ·
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10

Solving First-Order Kinetics for [B] After 7.00 Minutes

  • geffman1
  • · Replies 4 ·
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4

Half-Rxn Method: Answers to My Queries

  • Jules18
  • · Replies 1 ·
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1

What is the reason for bacteria growth at the interface between oil and water?

  • prime-factor
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2

Identifying Basic Solutions Without OH: Examining Salts

  • Jules18
  • · Replies 1 ·
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1

EDTA Lab Question/Clarification

  • anthonynewegn
  • · Replies 4 ·
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4

Chemistry:difficulty in understanding these statements:-

  • leena19
  • · Replies 4 ·
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4

Analyzing SO42- and PO43- in Aqueous Solution

  • leena19
  • · Replies 4 ·
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4

What Happens to Solubles in a Soft Drink When Cooled?

  • FenrisB
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2

Calculating Combustion Products: Propane, Oxygen, and Water Vapor

  • Paulsmith13
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2
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1

Connecting Cells in Series: Atomic Voltage Increase

  • Shaybay92
  • · Replies 1 ·
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1

How Do You Calculate the Dissociation Constant (Ka) for a Weak Acid?

  • ctamasi
  • · Replies 2 ·
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2

Chemistry Preciptation(Molecular Equation and net ionic equation)

  • Susanem7389
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1

Organic Halide Reaction: Products of Chloroethane and Sodium Hydroxide

  • temaire
  • · Replies 4 ·
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4

Enthelpy change of a vaporization rxn

  • yungwun22
  • · Replies 3 ·
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3

How Do You Calculate Formate Ion Concentration and pH in Mixed Solutions?

  • geffman1
  • · Replies 9 ·
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9

Rates, whats wrong with my working?

  • geffman1
  • · Replies 3 ·
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3

Chemistry The electrical work needed to produce a mole of lead in a chemical reaction

  • rafehi
  • · Replies 3 ·
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3

How to Calculate Enthalpy Change for a Zinc and Copper Sulfate Reaction?

  • mgnymph
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1
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2

Thermochemistry and Equilibrium of Reaction

  • highcoughdrop
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2
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1
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5

Chemistry 5 moles of Hydrogen Iodide dihydrate,

  • DarylMBCP
  • · Replies 6 ·
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6

Factors Affecting the Rate of a Reaction

  • ctamasi
  • · Replies 6 ·
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6

How many peaks will there be in an NMR spectrum for Malic Acid?

  • Oldor
  • · Replies 2 ·
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2

Organic Chemistry is the study of what

  • Precursor
  • · Replies 11 ·
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11

Is There Spin-Orbital Coupling in S-Orbitals with L=0?

  • Mortendk
  • · Replies 4 ·
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4

Help Solve PH Homework: NaOH + H20 at 25degrees

  • geffman1
  • · Replies 6 ·
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6

Oxidation Numbers: Confusion with Electronegativity

  • jgens
  • · Replies 10 ·
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10

Thermodynamics govern reactions occur

  • aimslin22
  • · Replies 3 ·
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3

What Are the Different Isomers of C4H8?

  • linuxux
  • · Replies 6 ·
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6
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4

Redox Reactions: Identifying Agents & Writing Half-Eqns

  • DarylMBCP
  • · Replies 9 ·
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9
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1

What Is the Percent Yield of SO2 from CS2 in This Reaction?

  • Koskesh
  • · Replies 1 ·
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1

Solved: Titration Calc: Find KOH vol to Neutralize H2SO4

  • ajassat
  • · Replies 15 ·
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15

Carbon content in steel and corrosion

  • prime-factor
  • · Replies 1 ·
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1

Get Expert Chemistry Homework Help | Calculate Moles of CO2 from Octane

  • jasmyne01
  • · Replies 3 ·
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3

Chemistry Help: Forces of Attraction & Repulsion

  • m0286
  • · Replies 8 ·
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8

Solving Reactions: Predicting Products

  • mico12345
  • · Replies 4 ·
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4

Temp Gradient derivation at Surface, earth as infinite half-space

  • mkruzic
  • · Replies 1 ·
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1

The Power of Water: Hydrogen Chloride's Conductivity

  • cowraptor
  • · Replies 1 ·
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1

Why Methanol is Best for ASA Titration w/ NaOH

  • rss14
  • · Replies 11 ·
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11

What are the links between organic chemistry and biochemistry

  • hebienub
  • · Replies 6 ·
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6

Which Atom Releases the Most Energy Gaining an Electron?

  • leena19
  • · Replies 2 ·
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2

Na3PO4 or C2H4(OH)2: Which Produces pH Curve?

  • temaire
  • · Replies 4 ·
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4

Why is grasshopper more adapted to dry land than crayfish?

  • Knight226
  • · Replies 8 ·
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8

Chemical equilibrium system and where my ions went

  • allywallyrus
  • · Replies 6 ·
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6
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2

Find the amount of energy per gram in various types of nuts

  • RockenNS42
  • · Replies 2 ·
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2

Chemistry What Is the Molecular Formula of the Hydrocarbon?

  • Sam_
  • · Replies 3 ·
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3

Question on water vapour and pressures

  • math_04
  • · Replies 4 ·
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4

Is Esterification a SN1 or SN2 Process?

  • crays
  • · Replies 4 ·
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4

Solving Two Difficult Homework Probs: Help Needed!

  • helloeveryone
  • · Replies 3 ·
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3

How Do Quarks Influence Chemistry?

  • Greywolfe1982
  • · Replies 8 ·
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8

Daniell Cells - Effect of conditions

  • Shaybay92
  • · Replies 3 ·
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3

A question on determine the rate of formation (chemistry)

  • Kudo Shinichi
  • · Replies 1 ·
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1

Which catalyst is the best for the reaction betweeen Aluminum metal and HCl?

  • chemlover
  • · Replies 1 ·
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1

Fraction of solute in two layers

  • Godislove
  • · Replies 4 ·
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4

Can You Help Balance this Redox Equation for Homework?

  • vipertongn
  • · Replies 2 ·
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2

Why Do Water Softeners Prefer Calcium Over Sodium Ions?

  • minime191
  • · Replies 2 ·
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2

Ans: Chemistry Q&A: PF3, CO3^-2, NF3, Gas Volume, Ag2CrO4, Molar Volume

  • cherryspiky24
  • · Replies 1 ·
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1

How Do You Calculate the pH of a Diluted HNO3 Solution?

  • geffman1
  • · Replies 3 ·
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3

Ionic concentration / number of ions

  • somasimple
  • · Replies 10 ·
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10