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Chemistry Using Pourbaix diagrams to calculate corrosion in water
  • wnvl2
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Chemistry Henry's law applied to a solution of a solute in a solvent
  • havenly
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6
Chemistry An exercise about chemical equilibrium
  • samy4408
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2
Chemistry Confused by an exercise on the subject of chemical equilibrium
  • samy4408
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4
Chemistry Where am I wrong in calculating the heat of reaction for CH4 + 2O2?
  • barryj
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6
Chemistry How to Calculate Initial Concentrations of HOA and BCG?
  • Allina3337
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4
Biology Chemical compounds that I can visualise
  • Gryes
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2
Chemistry Help with This for Finding Solutions
  • Vanillasyrup
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3
Chemistry Find the mass of one element of a sample
  • jackthehat
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7
Chemistry How Does Electrolyte Type Influence Voltage in Galvanic Cells?
  • yucheng
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6
Chemistry Cleland Diagram & Binding Order from Lineweaver Burke Plots
  • The Head
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1
Chemistry Bronsted-Lowery Help: Understanding HCOOH + CN- and H2O + HCO3- Reactions
  • stuidvkook
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2
Chemistry Processing a "Raw Spectrum" - A Beginner's Attempt
  • Sippi7299
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17
Chemistry Why Does Grignard Addition to Esters Form Ketones?
  • duchuy
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5
Biology Volume of substrate affecting enzyme activity
  • i_love_science
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10
Chemistry Solving H2/Pd/C Reduction for #5 & #6 Questions
  • duchuy
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6
Chemistry Reduction of ester and amide with LiAlH4
  • duchuy
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4
Chemistry Use standard cell potentials to show that a catalyst can work
  • resurgance2001
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9
Chemistry Effect of temperature change in Le Chatelier's Principle
  • Huzaifa
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2
Chemistry Oxydation of cyclic enol with KMnO4
  • duchuy
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4
Chemistry Halogenation of an alcohol (iodation)
  • duchuy
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1
Biology Gel Electrophoresis of DNA fragments produced by apoptosis
  • i_love_science
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2
Chemistry What is the purpose of redox reactions?
  • barryj
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18
Chemistry Does anhydrous compound Penta-hydrate have mono- or tetra-hydrate forms?
  • badatschool
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14
Chemistry Calculate molar concentration of 500 cm^3 glucose solution with mass part 5%
  • tedytodl
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8
Chemistry What is the basicity trend of organic compounds?
  • SpectraPhy09
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2
Chemistry Why is My Lattice Energy Calculation for PbCl2 Different from the Book's?
  • cuallito
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2
Chemistry Libermann's Nitroso test (of Amines)
  • SpectraPhy09
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2
Chemistry React Aniline w/ Br2: Mechanism & Desired Product
  • SpectraPhy09
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3
Maximum flame temperature during Combustion of CH4
  • duchuy
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3
Chemistry Beer Lambert problem, where did I go wrong?
  • Valenti
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1
H2F+ or CH3SH2+ which is more acidic by looking at the structures?
  • ngu9997
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3
Chemistry Calculating the Volume of a 40% Solution
  • barryj
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10
Chemistry Chemical Equilibrium: find concentration from 2 solutions (ICE table)
  • doridoridori
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3
Having trouble deducing 4 organic structures (High school exam qn)
  • phantomvommand
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5
Biology Which method would be wrong to use for gene expression?
  • SpiceDice
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2
Chemistry Calculating the mass percent from a given volume % and density
  • CynicusRex
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2
Chemistry Help with Complex Acid-Base Titration
  • kofffie
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1
Chemistry Intermolecular forces between NO particles
  • i_love_science
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4
Chemistry Are S2Cl2 and SCl the Same Thing?
  • ooookkkkk
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6
Ionization vs. Dissociation for acids & bases
  • jumbogala
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6
Chemistry Help with this interpolation (change in entropy while heating water)
  • Noob of the Maths
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3
Need help with practice MCAT question (acidit, basic or neutral?)
  • Nick tringali
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2
Chemistry Meso Syn Reaction Steriochemistry: Is Product B Meso?
  • havenly
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1
How many stereoisomers does the compound PF3Cl2 have?
  • A13235378
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4
Looking for help with interpretation of FTIR transmission plot
  • CambridgeMart
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1
Calculate time of solid passing through a liquid with the given values
  • howskie
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3
Chemistry Calculate the half-life of the antibiotic Ofloxacin in this patient
  • havenly
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2
Product at anode of the electrolysis of MgBr2
  • Janiceleong26
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6
Chemistry Naming ethers: priority of alkyl substituent and ethoxy subsitutent
  • Sunwoo Bae
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Chemistry Pinacol Rearrangement of asymmetrical diol
  • qkfqkekr
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Biology Why do these biology textbooks write 'differential' as an adjective?
  • 12john
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8
How Much Calcium Carbonate to Add for Optimal pH in a Fish Tank?
  • marcelo
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3
Chemistry Factors that determine acid strength
  • chemJan2021
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Ans: Resonance Structures: Checking Answers Correctness
  • chemJan2021
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7
Chemistry Why Does UV Light Have More Energy Than Visible Light in an Emission Spectrum?
  • muissi97
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3
Chemistry Vapor pressure of ethanoic acid vs. ethanol
  • i_love_science
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1
Chemistry PH Indicator and Endpoint Observations
  • i_love_science
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3
Chemistry Calculating Kp of o2 and o3 equilibrium
  • i_love_science
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3
Chemistry Citric acid polyprotic acid equilibria
  • i_love_science
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Chemistry Decomposition of C5H6O3 equilibrium
  • i_love_science
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Chemistry Why does evaporating water cause some water to be cooled and form ice?
  • i_love_science
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3
Chemistry Work, temperature and energy in a constant pressure process
  • Krokodrile
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4
Chemistry What is the Correct Formula of the Metal?
  • lioric
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4
Chemistry Choosing an appropriate base for deprotonation
  • Mayhem
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Chemistry Determine the quality/moisture of the vapor/water mixture
  • Krokodrile
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4
Chemistry Expanding and Naming of Abbreviated Chemical Formulas
  • jackthehat
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1
Biology Duration of Action of a drug treatment
  • Master1022
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8
Biology Pharmacokinetics: Volume of Distribution and Total Body Clearance
  • Master1022
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3
Chemistry Why is Understanding Wedge-Dash Diagrams Important for Visualizing Molecules?
  • sjbdec5
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Chemistry Assumptions made when doing calorimetry / errors that occur
  • chemadvisor
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7
Chemistry How Do I Find the Molar Enthalpy Change for Reactions 2 and 3?
  • chemadvisor
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10
Chemistry Understanding the Mechanism of E1 Reaction on Levosalbutamol
  • duchuy
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3
Chemistry Why Is Methylation of Glucose Considered Nucleophilic Substitution?
  • duchuy
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Chemistry Drawing 1-bromo-6-chlorodispiro [2.1.2^5.1^3] octane
  • Sunwoo Bae
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Chemistry Carbocation Stability: Attracting Inductive vs Mesomeric Effects
  • duchuy
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Chemistry Calculation Error: 0.19 = (0.14 - 0.13) - 0.06/2*log(1/(0.1*[Pb2+]))
  • hidemi
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2
Chemistry Pressure of gasoline in a closed container
  • barryj
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1
Biology How Do Stoichiometric Coefficients Affect Reaction Rates?
  • Master1022
  • · Replies 3 ·
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3
Identity of metal from electrolysis
  • TT0
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3
Chemistry PKb of weak base titrated with strong acid
  • i_love_science
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1
Chemistry CO2 and H2CO3 Concentrations in Aqueous Solution: Understanding the Relationship
  • i_love_science
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Chemistry Melting and boiling points of titanium tetrahalides
  • i_love_science
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5
Chemistry Platinum ion electron configuration
  • i_love_science
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Chemistry Isomers of tert-butylnitrobenzene
  • i_love_science
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2
Chemistry C-H bond enthelpy of halogenated hydrocarbons
  • arrowhead1232
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Chemistry Are there alternative hydrogen abstraction pathways in E2 elimination reactions?
  • duchuy
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Biology Biochemistry Glycolysis/Gluconeogenesis
  • JOJOwwwAiri
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Chemistry Carbocations Stability: Compare 2 & 3 for Electron Induction
  • duchuy
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Determine energy state difference using absorption-emission spectra
  • JoJoQuinoa
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3
Chemistry Decomposition of Sucrose: Understanding the Rate and Order of Reaction
  • i_love_science
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3
Chemistry What is the rate law for the reaction of NO and H2?
  • i_love_science
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Chemistry What is the relationship between temperature and reaction rate?
  • i_love_science
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1
Chemistry How Does Adding Water Affect the Equilibrium in Le Chatelier's Principle?
  • i_love_science
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8
Chemistry Reaction Mechanism of Cl2 and CHCl3
  • i_love_science
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1
Chemistry Need Help with Bond Length Calculations of Acetylene
  • Popz
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7
Chemistry Equilibrium of Methanol Vapor Decomposition
  • i_love_science
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2
Biology What Are the Types of Error When Taking an EEG?
  • Master1022
  • · Replies 2 ·
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2
Chemistry Finding rate constant from pressure change in an experiment
  • HoneyBee
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2
Biology Iodine 131 for hyperthyroidism (β- disintegration)
  • duchuy
  • · Replies 1 ·
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1