Biology and Chemistry Homework Help Forum

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What is the Molar Heat of Neutralization for Sodium Hydroxide?

  • XxphysicsxX
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How to tell if a species is a Bronsted acid, base, or both

  • starrios
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2

If the inventory of the reactor of about 20,000kg

  • matt222
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Oxidized and Reduced reaction species

  • Phyzwizz
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2

Psychology paper assignment for physics major

  • StukaJU87c
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Chemistry Finding number of molecules from density and molar mass

  • Edin_Dzeko
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3

Why are there crystals formed when a hot saturated solution is allowed

  • Celluhh
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Finding rate constant k from first-order reaction data

  • sltungle
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How to Solve the Second Problem in Solution Stoichiometry?

  • Bashyboy
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Why does SO2 reduce dichromate but ammonia doesn't?

  • Kyoma
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11

Recrystallization in the case of two solvents

  • leah3000
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Is this homework assignment exothermic or endothermic?

  • gurtaj
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1

Organic Chemistry Williamson Synthesis of an Ether

  • imdapolak
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1

Finding sources on fusion versus fission mass-to-energy conversion efficiency

  • mattmac.nuke
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3

Need guidance: Energy/gass question

  • timsher
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1

Calculating Energy from Nuclear Reactions

  • xpsellia
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Why Does 3-Methylheptane Have 18 Hydrogens Instead of 16?

  • tica86
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1

Chemistry How Do You Calculate Moles from Grams for BaCl2 *2H2O?

  • nieuport27
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1

Chemistry colution prep question (quick)

  • vande060
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1

Does Palladium and Sulfur Demonstrate the Law of Multiple Proportions?

  • Bashyboy
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3

How does (AlK(SO4)2•12H2O) balance?

  • jigglywiggly
  • · Replies 7 ·
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7

Manipulating the centered difference approximation

  • sys5284
  • · Replies 1 ·
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1

How to predict which elements will have a certain oxidation state?

  • LogicX
  • · Replies 1 ·
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1

Introductory Solution Stoichiometry: Acids/Bases

  • jacksonpeeble
  • · Replies 1 ·
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1

Diluting HCl from 0.5000 M to 0.0500 M in a 500 mL flask

  • Bashyboy
  • · Replies 3 ·
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3

2-methyl, 3-phenylbutane structure?

  • phee
  • · Replies 1 ·
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1

Is this 1,3-butadiene or just butene?

  • phee
  • · Replies 7 ·
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7

Finding Ka using a Galvanic cell and Electric Potential

  • Castiel
  • · Replies 3 ·
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3

Which Type of Brass is Most Susceptible to Corrosion in Experiments?

  • Buster123
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1

How Do Metal and Hydrogen Ions Interact During Electrolysis?

  • Celluhh
  • · Replies 28 ·
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28

Filling Flat Tire - Adiabatic Reversible Process

  • HLxDrummer
  • · Replies 3 ·
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3

Calculate net potential for Fe2+ + Co3+ and CrO42- + MoO2 reactions

  • zeromaxxx
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1

Law of multiple proportions for N2O3 and N2O5

  • Owelode
  • · Replies 1 ·
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1

Stellar Astronomy - Measuring surface temp of the Sun

  • PsychoDash
  • · Replies 1 ·
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1

What compound forms when NaOH is added to quinizarin?

  • reising1
  • · Replies 7 ·
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7

Chemistry How Can Open Chain C3H6 Exist if Cyclopropane Is More Stable?

  • Shivam123
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1

How Many Isomers Exist for C3H6O2?

  • Kyoma
  • · Replies 1 ·
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1

How is recycled plastic disinfected?

  • AJKing
  • · Replies 1 ·
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1

Writing chemical equations for TLC analysis?

  • G4e8cko
  • · Replies 4 ·
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4

Heisenberg's uncertainty principle, find uncertainty in position

  • Glissando
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1

Isothermal reversible condensation

  • kido
  • · Replies 7 ·
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7

Net Ionic Equation for the Reaction of Al(OH)3 and HCl

  • DRC12
  • · Replies 5 ·
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5

How are electronegativity, polarizing power and s-character related?

  • Saitama
  • · Replies 2 ·
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2

Using entropy to solve for Free Gibbs energy

  • jtruth914
  • · Replies 1 ·
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1

How Do You Calculate the Percentage Composition of a Heated Mixture?

  • FeDeX_LaTeX
  • · Replies 1 ·
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1

Earth Science: Average Rate of Sediment Deposition

  • ssshazam
  • · Replies 7 ·
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7

How to Read an mRNA Sequence from a DNA Sequence?

  • seking10788
  • · Replies 2 ·
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2

Chemistry Pb(NO3)2 0.16M: Molar Concentration of Ions

  • AJKing
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1
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2

Heat,work, thermal efficiency problems

  • mocha1209
  • · Replies 1 ·
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1

Barium Chromate chemical equilibria

  • MeteorX
  • · Replies 4 ·
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4
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7

How much water to raise ph of diet coke to 5.5

  • tiger_striped_cat
  • · Replies 7 ·
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7

Do f-orbitals participate in sigma bonds?

  • Saitama
  • · Replies 4 ·
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4

Calculating concentration in molLl^-1 of a solution

  • leah3000
  • · Replies 3 ·
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3

Reversible vs. Irreversible change (gases)

  • LogicX
  • · Replies 7 ·
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7

How to Plot a Standard Addition Curve.

  • oxshannon
  • · Replies 15 ·
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15

Questions about emission spectra and Rhydberg equation for H-atom

  • lolzwhut?
  • · Replies 7 ·
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7

Chemistry Balancing Equations: 2H2 + O2 -> 2H2O - 180g of Water Produced

  • draotic
  • · Replies 6 ·
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6

Calculate AgCl, NaNO3 from 1.3g NaCl + 3.5g AgNO3

  • Faiien
  • · Replies 2 ·
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2

Producing Phosphoric Acid: Calculating Percent Yield

  • googol
  • · Replies 1 ·
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1

Using Ksp to find the concentration

  • Faka
  • · Replies 2 ·
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2

What Are the Limitations of Rydberg's Equation in Atomic Spectroscopy?

  • cottonz
  • · Replies 1 ·
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1

Chemistry Which Intermolecular Forces Affect These Organic Compounds?

  • phee
  • · Replies 5 ·
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5

TLC Analysis of a Synthesis Reaction

  • irunshow
  • · Replies 2 ·
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2

A couple questions about the bradford method

  • vande060
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1
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10

What's Wrong with My Empirical Formula Calculation?

  • Phyzwizz
  • · Replies 2 ·
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2

Hot metal added to Water, Heat Capacity Problem

  • Nick_273
  • · Replies 1 ·
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1

Opacity and Spectral Features in Star Atmospheres

  • AnniB
  • · Replies 1 ·
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1

Chemistry Which Method for Calculating Moles is More Effective?

  • supernova1203
  • · Replies 3 ·
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3

Molar extinction coefficent calculation

  • vande060
  • · Replies 2 ·
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2
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1

Entropy and Gibbs free energy for water vaporization at 95°C

  • Puchinita5
  • · Replies 4 ·
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4

Finding the Mass of a Sheet of Plastic Using Density Equation

  • jle1092
  • · Replies 2 ·
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2

Ionization Energy: Across Period or Metal to Non-Metal?

  • khurram usman
  • · Replies 3 ·
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3

How to Determine Dry Unit Weight and Porosity of a Soil?

  • KAISER91
  • · Replies 1 ·
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1

Calculate the heat capacity at constant volume and constant pressure.

  • LogicX
  • · Replies 5 ·
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5

Number of Particles: Ne vs O - Is it the Same?

  • scientifico
  • · Replies 4 ·
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4

Biochemistry: pH of L-glutamic acid

  • jake222
  • · Replies 5 ·
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5

Solubility of Cations/precipitation question

  • supernova1203
  • · Replies 5 ·
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5

Is Absolute Zero Possible and What Would Happen at 0 Pressure?

  • magma_saber
  • · Replies 2 ·
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2

Salicylic Acid from Methyl Salicylate

  • reising1
  • · Replies 2 ·
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2

Are the phosphate groups of ATP protonated at pH = 7?

  • buttermellow
  • · Replies 1 ·
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1

Water + Water Vapor - Can I use ideal gas law?

  • bphysics
  • · Replies 5 ·
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5

Final temperature of gas after half escapes from rigid tank

  • MastersBound
  • · Replies 3 ·
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3

Similar Ideal Gas Law question

  • MastersBound
  • · Replies 1 ·
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1

A compound differs from an element in that a compound

  • Cyclopse
  • · Replies 1 ·
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1

How do proteins and lipids function differently in living organisms?

  • henry407
  • · Replies 1 ·
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1

PKa of 2-nitrophenol vs 3-nitrophenol

  • flybynight
  • · Replies 2 ·
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2

Naming the following benzene structure

  • chirumu
  • · Replies 1 ·
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1

Calculate melting point of ice under pressure

  • Pete_01
  • · Replies 14 ·
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14

Percent Error Formula: Find the % Error in Lab w/ 10 mL Water

  • lindseyam
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3
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3
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1

How many grams of KClO3 are needed to produce 50g of O2?

  • Reema
  • · Replies 1 ·
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1