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Biology Ames Test: Understanding Mutations and Lethality
  • hidemi
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Biology Prokaryote DNA replication subunits
  • hidemi
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Biology How Does the CTD of RNA Polymerase in Eukaryotes Affect Transcription?
  • hidemi
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Chemistry Adding sugar to water; water level doesn't go back to the original volume
  • musicgold
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4
Chemistry How Do You Measure the Density and Sugar Content of 7-Up?
  • i_love_science
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14
Chemistry Calculating Kp for Gaseous Reaction: Stuck at Finding Total Moles
  • DottZakapa
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3
Chemistry What is the Correct Formula for Calculating Vapour Pressure of Solutions?
  • DottZakapa
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Chemistry Which Structural Isomer Has the Highest Boiling Point?
  • i_love_science
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Chemistry Enthelpy chage for the production of ethanol
  • DottZakapa
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11
Chemistry How is the CO and N2 reaction written?
  • DottZakapa
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4
Chemistry Thermochemistry and the heat of complete combustion
  • DottZakapa
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4
Chemistry Electrolysis Problem -- Half reactions and gasses produced
  • i_love_science
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4
Chemistry IUPAC Naming of 3-Bromo Phenyl Chloro Ketone
  • Sunwoo Bae
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Chemistry Given the weight composition, compute the partial pressures
  • DottZakapa
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2
Chemistry Deciding Carbon Numbering for (Z)-1-bromo-2-chloro-2-fluoro-1-iodoethene
  • Sunwoo Bae
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Chemistry Volume of a Gas from a thermal decomposition
  • DottZakapa
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1
Chemistry Naming BrCH2CH2CH2OH: Excluding Carbon # for OH Group
  • Sunwoo Bae
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1
Chemistry Ideal gas law problem with two cylinders
  • DottZakapa
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8
Chemistry Drawing the structure of 1,3,5 - trimethylphenol
  • Sunwoo Bae
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Chemistry Drawing resonance structure for this O-CH2 ion
  • Sunwoo Bae
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2
Chemistry Drawing resonance structure for SO42
  • Sunwoo Bae
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(Dry) Volume Ideal Gas Law Calculation
  • sandmanvgc
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11
Chemistry Finding the molecular formula of a hydrocarbon
  • i_love_science
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1
Chemistry Titration of HCl with CaCO3, then excess HCl titrated with NaOH
  • i_love_science
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1
Chemistry Why does the structure of a carboxylic acid affect its acidity?
  • A13235378
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Chemistry What ion is Aluminum likely to form?
  • forgetful
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Would this reaction be exothermic or endothermic?
  • Beowulf_8991
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2
Chemistry Uncertainty and Significant Figures
  • i_love_science
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Chemistry 1H NMR: Unsymmetric Peak Multiplicity and J Values
  • Organic_Student_2020
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2
Calculating the Ratio of A:B with K=2.3 & 70% Product
  • HAF
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Chemistry What is the correct way to do Acid Starch Hydrolysis?
  • gary350
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9
Chemistry Partial pressure of He in this gas mixture
  • Levy98
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Biology MCQ-Localization of recessive alleles on Polytene chromosome
  • TytoAlba95
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Chemistry Why is HCl called Hydrogen Chloride (by IUPAC naming)?
  • pkc111
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What is Maxwell's Principle (Thermodynamics)?
  • FaNgS
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Chemistry What is the Empirical and Molecular Formula of Caffeine?
  • haengbon
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Biology Polymer vs. Macromolecule: What's the Difference?
  • mcconnellalex01
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Chemistry Delta H Calculation: 7.455 + 94 + 8.4
  • aname
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Chemistry Calculate the solubility (common ion) buffered
  • il postino
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5
Chemistry How do I form the product with alkylation and condensation?
  • Yokoko
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Experiment using an Ostwald Viscometer
  • aname
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9
Chemistry Redox Reaction when a compound is both oxidized and reduced
  • i_love_science
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9
Chemistry Please confirm my Activity Coefficient Calculations
  • Yokoko
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4
How Can Greenhouses Help Combat Food Insecurity in Disadvantaged Regions?
  • Leo Liu
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Chemistry Calculate the activity of the chloride ion in a solution
  • il postino
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Chemistry Calculating the empirical formula from a percentage composition
  • Hamiltonian
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Chemistry Predicting the dependence of Solubility on Ionic Strength
  • Yokoko
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Bouncing calculation of this balance equation with the Iteration Method
  • i_love_science
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2
Chemistry Help with mol and volume calculations - Cram's rule
  • Yokoko
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4
Chemistry Ideal Gas Law and Partial Pressures
  • jackthehat
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Chemistry How to make 1L 50% sucrose solution from 20% solution?
  • TytoAlba95
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Biology What is the Relationship Between Km and V0 in the Michaelis-Menten Curve?
  • TytoAlba95
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Biology Water Potential and Osmosis Potatoes Investigation
  • AN630078
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Calculate Equilibrium Constant for Polyprotic Acid Reaction
  • i_love_science
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Chemistry How Does Surface Area Affect the Free Energy of a Liquid?
  • CatalinaAlmendra
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Chemistry Equilibrium K Values: Problem Solving Tips
  • Traced
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Chemistry How Many Extractions Are Needed to Reduce Stearic Acid to 0.08%?
  • il postino
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Physical state given the critical temperature and critical pressure
  • A13235378
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Biology Stages of Mitosis Photomicrograph Help
  • AN630078
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Chemistry Amount of water electrolyzed during PEM electrolysis
  • HelloCthulhu
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Chemistry Calculating Mass Percentage of N2H4 in Hydrogen/Nitrogen Mixtures
  • Unart
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Chemistry How Much Baking Soda Is Needed for a Perfect Reaction with Vinegar?
  • gary350
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Chemistry Why does the solution divide by two in Mole Stoichiometry?
  • Unart
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Chemistry Is this the right way to approach solubility problem?
  • Sunwoo Bae
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Chemistry Can anyone check my answers for these equilibrium problems?
  • Sunwoo Bae
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Chemistry Relationship between ppm and mole fraction
  • il postino
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Chemistry Calculate DeltaH between 700K and 800K
  • il postino
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Chemistry Is the Calculation for Additional Moles of D2 Correct?
  • LCSphysicist
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Chemistry Thermodynamics: The molar enthelpy of a solution
  • Traced
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Chemistry How to Identify HOMO and LUMO in an Sn2 Reaction?
  • Yokoko
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Chemistry Thermodynamics: Reduction Potential question
  • TytoAlba95
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Chemistry MCQ- What is the Gibbs free energy value?
  • TytoAlba95
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Chemistry Calculate the theoretical yield percentage for this reaction
  • Kiah Palmer
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Chemistry How should I proceed with the reactions?
  • Gourab_chill
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Chemistry Mass of an element required for a chemical reaction equation
  • Kiah Palmer
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Chemistry Question about balancing a reaction
  • yuval12
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Chemistry Homework Help: Calculating Mass from Chemical Reaction Equations
  • Kiah Palmer
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Chemistry Calculate the boiling temperature of methanol from thermodynamic data
  • il postino
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Percentage yield in a reaction problem
  • jackthehat
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Chemistry Which Is Better to Remove H2: Cl2 or Br2?
  • il postino
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Chemistry Calculating Concentration of Acid using a pH Titration Curve
  • Justinboln
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Chemistry Coordination chemistry problem
  • Amitkumarr
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Chemistry Why Are Options B and C Incorrect for HOMO-LUMO Energy Gap?
  • Amitkumarr
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Biology MCQ- Mitochondria and O2 consumption
  • TytoAlba95
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3
Chemistry Molar Mass Calc: My Solution | PDF File
  • draikens
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Chemistry How much NaOH I have to add to increase pH?
  • bluecalculator
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Chemistry Find the formula of a hydrocarbon using combustion data
  • lioric
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Chemistry How Accurate Should Experimental Data Be?
  • lioric
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Biology MCQ- Insertion of a protein into a liposome membrane
  • TytoAlba95
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Biology MCQ-Effect of a scaffolding protein on Signaling
  • TytoAlba95
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Calculating Concentrations in a Saturated Solution of CaCl(2) and Ca(OH)2
  • sergey_le
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Chemistry Calculating the Mass of a Precipitate
  • jackthehat
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What Is the Molarity of Potassium Ions in a Potassium Sulfite Solution?
  • jackthehat
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Chemistry How Does Mg2+ Complex Formation Influence Ca2+ Concentration?
  • Undergrad Chemist
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Biology MCQ: Genetics- Recombination in Drosophila
  • TytoAlba95
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Determining the reason for a forward reaction
  • angela107
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Chemistry What precipitates form by mixing 2 saturated solutions?
  • sneakycooky
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Biology Do Inorganic Macromolecules Exist?
  • lainthewired14
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Chemistry How Do Stereochemistry and Isomerism Interrelate in These Compounds?
  • Gourab_chill
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MCQ: Law of independent assortment
  • TytoAlba95
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7