Biology and Chemistry Homework Help Forum

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Increasing pressure does what to temperature?

  • ebunny91
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Proving a triple point (Thermodynamics)

  • ebunny91
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Estimate the average values of ΔH and ΔS in this temperature range

  • westy6711
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OF2 + H2O -> O2 + 2HF What's being oxidized and what's being reduced?

  • yoozername
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1

Calculating activation energy of C2H6 decomposition from rate constants

  • westy6711
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2

Finding Kp given the final equilibrium pressure

  • ebunny91
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1

Solving the Nernst Equation for Zn^2+ Concentration

  • morgan8222
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1

Finding ΔHvap of water from graph of ln (p of H2O in atm) versus 1/T

  • icecream1023
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1

Indicators for H2SO4-LiOH Neutralization Reaction

  • courtneylrob
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1

Understanding pH of Salt Solutions: Reaction of NaOH and HCl

  • courtneylrob
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1

How is chelation related to equilibriums?

  • tahayassen
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2
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Finding molar ratio of methane and ethane from mixture density

  • ƒ(x)
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9

Find grams of product using a balanced chemical equation

  • trivk96
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1

What is the difference between neoteny and post development?

  • fatima_a
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1

Non-toxic powder chemicals that change color when mixed

  • jonathancohen
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4

How does water erosion affect Earth's surface?

  • ___Des___
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9

Chemistry Calorimetry Question Find Final Temp.

  • Hypnos_16
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1

Initial Pressure: Calculate Using PV=nRT

  • gwiber
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2

How Does Reversible Expansion Calculate Work in Thermodynamics?

  • Puchinita5
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3
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1 gram of C3H8 gas and 1 gram of O2 gas are delivered

  • gwiber
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1

Pressure in a Cooker at 390.2 K and 6 L Volume with 27 g Water

  • gwiber
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3

Chemistry What is the Molecular Weight of a Gas Using the Ideal Gas Law?

  • gwiber
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1

Chemical kinetics - reaction rate

  • chizuru
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5

Chemistry Which of these molecules will form a micelle?

  • Zipzap
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1

What Type of Reaction Occurs Between Fe(NO3)3 and KSCN?

  • chemist2b
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12

Chemistry Find number of moles of HCl to change pH of Histidine buffer.

  • Sprinkles
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6
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1

Chemistry Calculating Moles Using Volume and Molarity

  • jubbly
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1

Why during chromatography must the paper NOT touch the sides

  • jsmith613
  • · Replies 1 ·
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1

What's Growing in My Yellow Petri Dish?

  • ariana0923
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1

How to Calculate the Wavenumber in Raman Spectroscopy for Ethene?

  • baldywaldy
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1

What Is the Triple Point Temperature for Eborium (Eb)?

  • ebunny91
  • · Replies 15 ·
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15

Checking equilibrium problem solutions with diagrams

  • Soju
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1

Concentration for reactants: KMnO4+Sugar+NaOH

  • dicktoosh
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3

Biology Biology: Genetics: Inherited disease

  • foxyfresh
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1
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2

Calculating the partial pressure of pure Zinc over a solution? over

  • billboard
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1

Chemistry Specific Rotation of Chiral Molecules

  • Cyberchicken
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3

Chemistry Calculating Mole Fractions of N2 and O2 Dissolved in Water Using Henry's Law?

  • Blitzy89
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2

Calculation of PH,(using Henderson Hasselbalch equation)

  • lchem
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1

Proof gas loses 1/273 of its volume - Charle's Law

  • ghostanime2001
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5

Solve Eadie-Scatchard Plot to Determine L Binding Sites

  • skyblu280
  • · Replies 14 ·
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14

What Happens to the Universe in the Big Freeze?

  • BrownDwarf
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1

Distribution Diagram for speciation of Cr(VI)

  • geostudent
  • · Replies 9 ·
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9

Calculating Buffer Volumes for pH and Concentration Ratios

  • jsmith613
  • · Replies 8 ·
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8

Balancing aluminum and hydrochloric acid displacement reaction

  • tony873004
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2

How does density change when temperature and pressure both increase?

  • vintagecards
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2

What is the Correct Electronic Configuration of Fe+?

  • AGNuke
  • · Replies 4 ·
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4

Calculating equivalence point in potentiometric Ag+ halide titration

  • jchiapparine
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1

Finding H2 and Cl2 partial pressures given K and PHCl equilibrium

  • jtruth914
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2

Calculation of entropy change for melting ice

  • chriswilson
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1

Maximum Percent Recovery of pure acetanilide?

  • JameB
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3

Speed of Nerve Impulse Propagation in ABCD Fibers

  • Raquela333
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2

Formation of a cis alkane from a trans alkene

  • ahhppull
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1

Practical Organic Chemistry - Confirm positive test

  • AGNuke
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2

Calculating the probability of finding an electron

  • baldywaldy
  • · Replies 5 ·
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5

How much O2 reacts with 100g NH3 in the combustion reaction?

  • median27
  • · Replies 2 ·
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2

Need guidance with Chemistry - energy related

  • timsher
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1

Organic Synthesis: Reduction of ketone to alcohol

  • xtracx
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1

Calorimetry Calibration: Find qrxn, qcal, and Ccal with NaOH and HCl

  • liwolf
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1

Buffer Solution Concentrations and Initial Conditions

  • jsmith613
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2

Methane Combustion and Chemical Equilibrium

  • HinduHammer
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3

Using auditory cortex to perceive touch after sensory rewiring

  • shanwilmo
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1

Can Anion Resins Effectively Separate Cations Like Co(II) and Ni(II)?

  • Puchinita5
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2

Size of product given size of reactant?

  • Rvngizswt
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5

Epoxide reacting with Tosylic Acid and Water

  • flybynight
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1

How Do Stoichiometric Coefficients Affect Gibbs Free Energy Calculations?

  • Puchinita5
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3

What Is the Significance of Using Buffers of the Same Concentration?

  • jsmith613
  • · Replies 3 ·
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3

Enzyme kinetics plotting a slope replot

  • skyblu280
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3

How to Solve Q6a) and b) in AQA Human Biology 2006 Jan Exam

  • jsmith613
  • · Replies 6 ·
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6

Chemistry How do you find the enthelphy change per mole of magnesium?

  • Naru1019
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1

Calculating Time for Electrolysis of Water

  • PeetPb
  • · Replies 6 ·
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6

Chemistry Hydrogen ion concentration when mixing nitric and sulfuric acid

  • Celluhh
  • · Replies 5 ·
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5

How to Determine the Change in Entropy of a Monoatomic Ideal Gas?

  • chocolatepie
  • · Replies 11 ·
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11

Method to remove salt from water (Not distillation or RO)

  • ChaoticLlama
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2
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5

Why does H2PO4 donate a proton to HS if both are amphoteric?

  • Seinfeld4
  • · Replies 1 ·
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1

Dalton's law of partial pressures equivalent to volume ratio?

  • Syrus
  • · Replies 4 ·
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4

P.Chem: Rate of chemical reactions; Half-life

  • jtruth914
  • · Replies 2 ·
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2
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1

Solution of NaCl and CO2. Name species and find concentrations of species.

  • geostudent
  • · Replies 2 ·
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2

How to Calculate Entropy Difference Between Water and Ice?

  • lou_skywalker
  • · Replies 1 ·
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1

Can someone check my Fischer Projections?

  • JessG
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1

Convert ppm to mg/L - Calculate Grams of A Needed

  • Cypher49
  • · Replies 3 ·
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3
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2

Calculating HCl Concentration in Dilution Problem

  • shemer77
  • · Replies 1 ·
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1

Volumetric Analysis Lab Calculation Question

  • supahman
  • · Replies 6 ·
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6

Identifying Oxidizing and Reducing Agents in a Chemical Reaction

  • Bashyboy
  • · Replies 2 ·
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2

Balancing synthesis of bis(2,4-pentanedionato) copper(II) from CuSO4

  • kinematica
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1

What Happens to Ripples When Objects are Added in a Ripple Tank?

  • ecanescence-fan
  • · Replies 2 ·
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2
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1

Is Citric Acid Fully in Conjugate Base Form at pH >5.41?

  • vande060
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1

Annual thickness of BIF ore layer in Hamersley Basin

  • kndietz
  • · Replies 3 ·
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3

Calculate Diffusion Coefficient K4Fe(CN)6 Cyclic Voltammetry

  • zeromaxxx
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3
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5

How do I draw a line that is 50 deg west or 15 deg east etc

  • pb23me
  • · Replies 2 ·
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