Biology and Chemistry Homework Help Forum

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Orbital overlap diagram for ammonia

  • Specter
  • · Replies 5 ·
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5

Acetal formation reaction mechanism and products

  • IntegralDerivative
  • · Replies 16 ·
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16

[College Chem] kinetic energy problem

  • Lori
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5
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1

Chemistry How to Calculate Mole Fractions and Molar Volume in a Thermodynamic System?

  • MathematicalPhysicist
  • · Replies 2 ·
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2

Chemistry Determining the positive and negative poles of a molecule

  • Specter
  • · Replies 6 ·
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6
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6

The emission spectrum of an unknown element

  • Specter
  • · Replies 7 ·
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7

Organic chem: draw this in line angle structure

  • alphaj
  • · Replies 7 ·
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7

How Many Significant Figures Should Be Reported in Lab Calculations?

  • alphaj
  • · Replies 7 ·
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7

Use math to prove which lab equipment was precise/accurate?

  • alphaj
  • · Replies 1 ·
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1

How to prepare 500 mL of 0.025 M of Glucose solution?

  • science_rules
  • · Replies 5 ·
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5

What is the percentage of Fool's Gold in the original sample?

  • thejosh
  • · Replies 10 ·
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10

Volumes of a Buffer using Henderson-Hasselbalch?

  • Heidi_2
  • · Replies 1 ·
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1

Why is polymerization bond energy positive not negative?

  • esale
  • · Replies 3 ·
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3

Chemical Equilibrium Q: How Does Solution (a) Know PH2S=Ammonia?

  • curiosity colour
  • · Replies 2 ·
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2

Oxygen ratio errors in magnesium oxide combustion lab

  • Rsahu1919
  • · Replies 10 ·
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10

Question Related To Volume Strength Of H2O2.

  • CosmicC
  • · Replies 3 ·
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3

Volume of Gasses Obtained by Electrolysis of Salt Solution

  • CroSinus
  • · Replies 3 ·
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3

Gravimetric chemistry equation balance problem

  • Another
  • · Replies 1 ·
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1

Calculating Vitamin C Content in Orange Juice using Titration Method

  • jstretto
  • · Replies 6 ·
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6

Composition of Freezing Point Crystals in a Glacial Acetic Acid Solution

  • Tanishq Nandan
  • · Replies 6 ·
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6

EGR ratio from exhaust gas composition

  • mrcarbon4hydrohen
  • · Replies 3 ·
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3
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1

Constant-Pressure Calorimetry question

  • Zaqiqu
  • · Replies 8 ·
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8

Why does pH increase for LiF in HF but decrease for NH4Cl in NH3?

  • tribalman100
  • · Replies 1 ·
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1

Chemistry How many grams of NaCl are needed to make a 2M stock solution?

  • liam91
  • · Replies 2 ·
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2

Electron interactions in a Helium ion

  • Cassidyzialle
  • · Replies 1 ·
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1
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1

Why Did the Aspirin Melting Point Decrease in This Experiment?

  • Puchinita5
  • · Replies 1 ·
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1

Tricky questions about glass transition and crystalline melting

  • ymhiq
  • · Replies 1 ·
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1

Needing to calculate kDa for Hyaluronic acid

  • Tarn
  • · Replies 4 ·
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4

How Many ATP Molecules Are Used in a Single Bicep Muscle Contraction?

  • Kawrae
  • · Replies 1 ·
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1

Calculate Rh value from Rydberg Equation

  • WK95
  • · Replies 2 ·
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2
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1

What is the Wavelength of the Ejected Electron?

  • mirandab17
  • · Replies 1 ·
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1

What is the molality of 1M NH4OH in 70.092ml of water?

  • HelloCthulhu
  • · Replies 10 ·
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10

Trouble finding where I went wrong calculating concentration

  • Trufflehog
  • · Replies 2 ·
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2

Can Non-Spontaneous Reactions Occur When Coupled with Exergonic Reactions?

  • ChasingZebras
  • · Replies 1 ·
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1

Physical and Chemical Properties of Flagpoles

  • Shakattack12
  • · Replies 1 ·
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1

Tonicity and Osmoticity of saline with weak acid

  • uzi kiko
  • · Replies 2 ·
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2
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2

Titration of acetic acid w/ NaOH problem

  • Xezdeth
  • · Replies 2 ·
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2

Can Total Energy Be the Same in Liquid and Vapour Phases at Equilibrium?

  • Strawberry1711
  • · Replies 2 ·
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2
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14

Combustion of Toluene with 30% excess air (Himmelblau)

  • Bernardo32Rey
  • · Replies 4 ·
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4

L-Idose (configuration, chirality and stereocenters)?

  • GeeR_3
  • · Replies 1 ·
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1

Molar Enthalpy of Salt: Calculation and Heat Sources

  • Hannah Wallace
  • · Replies 1 ·
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1

Solving Copper (II) Salt Titration Problem

  • Wrichik Basu
  • · Replies 9 ·
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9

Atomic mass of element X from isotope ratio in sample

  • dshipp17
  • · Replies 13 ·
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13

Double titration of KOH and sodium carbonate with two indicators

  • Wrichik Basu
  • · Replies 4 ·
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4

Mass of ammonia through nitrate concentration problem

  • Frankenstein19
  • · Replies 3 ·
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3

Convert nitrate standard of 50 ppm to its nitrogen content

  • Frankenstein19
  • · Replies 1 ·
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1

How to find added thermal heat in monoatomic gas?

  • Helly123
  • · Replies 2 ·
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2
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2

Calculating Age of Native American Campfire Using Radioactive Decay of CaCO3

  • AryaUnderfoot
  • · Replies 1 ·
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1
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4

What fraction of helium-4's mass comes from its nucleus?

  • AryaUnderfoot
  • · Replies 7 ·
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7

Experimental details -- Heating hydrated barium nitrate

  • Javeria
  • · Replies 4 ·
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4

Concentration of a salt produced by neutralization reaction

  • Javeria
  • · Replies 5 ·
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5

Equation of states for a gas that forms dimers

  • Buffu
  • · Replies 5 ·
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5

Chemistry Solving Al + BaNO3 Reactions for N2 Volume

  • Priyadarshini
  • · Replies 3 ·
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3

Calculating viscosity of a liquid with a falling object

  • Beyar
  • · Replies 4 ·
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4

A problem in Redox Titrations (Kjeldhal's Method)

  • Wrichik Basu
  • · Replies 6 ·
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6

Kinetics question (Chemical engineering)

  • Beyar
  • · Replies 7 ·
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7

Measuring Molecular Mass with Freezing Point Depression

  • Vavi Ask
  • · Replies 6 ·
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6

How Does Altitude Affect Humidity Sensor Readings?

  • oobgular
  • · Replies 4 ·
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4

A problem in volumetric calculations in Chemistry

  • Wrichik Basu
  • · Replies 2 ·
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2

How Do You Solve Enthalpy Cycle Problems in Chemistry?

  • yecko
  • · Replies 3 ·
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3

Chemistry: First principle of thermodynamics

  • yecko
  • · Replies 4 ·
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4

Tandem MS: What Does Time in MRM Graph Refer To?

  • cloveryeah
  • · Replies 1 ·
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1

Why arthropod has not evolved to be huge?

  • Tyto alba
  • · Replies 5 ·
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5
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4
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3

Which chromatography technique is most suitable?

  • Tyto alba
  • · Replies 2 ·
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2

Which chromatography test fits best?

  • Tyto alba
  • · Replies 2 ·
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2

SN1 Rxn: is hyrdride shift major product or the LG position?

  • AMan24
  • · Replies 1 ·
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1

Charge on 1 g of N3- ions: where's my error?

  • Alioth
  • · Replies 6 ·
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6
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3

PH of Water at Various Temperatures

  • CheesyPeeps
  • · Replies 5 ·
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5

Calculate the change in entropy for the system and the surroundings

  • dancingdodo27
  • · Replies 13 ·
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13

How do I calculate heat load without knowing specific heat?

  • Povilas
  • · Replies 14 ·
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14

Entropy of Vaporization Calculation for 5 Moles of Argon at 87.5 K and 150 K

  • dancingdodo27
  • · Replies 1 ·
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1

How Many Moles of BaCO3 Dissolve in Water Given Kc?

  • Not a Wrench
  • · Replies 12 ·
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12

What are the processes involved in cancer metastasis?

  • beedog
  • · Replies 1 ·
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1

How Does Temperature Affect Equilibrium Constants for Conformers?

  • krootox217
  • · Replies 1 ·
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1

Phosphine decomposition reaction in batch reactor at 953 K

  • herbertpbarreto
  • · Replies 1 ·
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1

RC circuit charging voltage and neuronal membrane ion channels

  • wubwubs
  • · Replies 3 ·
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3

Calculating Radionuclide (243 Am3+) in a solution

  • basicwolves
  • · Replies 1 ·
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1

MCQ - Independent assortment or Incomplete linkage

  • Tyto alba
  • · Replies 5 ·
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5

MCQ: Enzyme Kinetics - Find the Zeroth Order Answer

  • Tyto alba
  • · Replies 1 ·
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1

How to determine reaction feasibility using equilibrium constants

  • Tom Hardy
  • · Replies 17 ·
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17

What is linkage strength between gene loci?

  • Tyto alba
  • · Replies 3 ·
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3

Uncovering the Chemistry Behind Ammonia Production

  • NicolasL
  • · Replies 6 ·
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6

Chemistry Correct order of bond length in two organic molecules

  • randomgamernerd
  • · Replies 6 ·
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6

How Do You Solve a Chemical Equilibrium Problem Involving AuCl, NaCl, and H2O?

  • Not a Wrench
  • · Replies 1 ·
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1

What is the Correct Reacting Mass of Mg and Cl2 to Produce 119g of MgCl2?

  • CWatters
  • · Replies 2 ·
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2

Which of the following compounds is aromatic?

  • randomgamernerd
  • · Replies 5 ·
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5

Is Solid Residue Present in Pure Water?

  • KiraraChem
  • · Replies 1 ·
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1