Biology and Chemistry Homework Help Forum

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Calculating HCl volume to lower pool pH from 7 to 4

  • Taryn
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1

24 GPS satellites carry atomic clocks

  • PPonte
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1

Calculating pH of a Solution with Benzoic Acid and Sodium Hydroxide

  • Karma
  • · Replies 4 ·
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4

What are the recommended chemistry textbooks for preparing for IIT-JEE?

  • loom91
  • · Replies 8 ·
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8

What Went Wrong with My Calculation for Iridium Atomic Radii?

  • Taryn
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2

Equilibrium and c is because ice cube is water so it will melt

  • aarietta
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3

Calculate pH/pKa: pH 4.0, HA Aqueous Solution

  • Huskies213
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2

What is the term for 'the science of everything'?

  • midnite13
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3

Chemical Reaction Between HF and H2O2

  • pikkie
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2

[Question]Fluorescence quenching and artificial photosynthesis

  • ironcross77
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2

Why do fossil fuels have so much more energy than living organic matter?

  • pivoxa15
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3

How Do You Calculate the Required Amounts for Buffer Solutions?

  • Taryn
  • · Replies 10 ·
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10

Enthalpy of NO2 formation, copper cooling, and equilibrium constant

  • Ukitake Jyuushirou
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2

Solving Integrated Rate Law Problem: Time Elapsed 5e-3 s

  • Ukitake Jyuushirou
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2
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4

Determining dimethylglyoxime structure from combustion and nitrogen analysis

  • PhysicsinCalifornia
  • · Replies 2 ·
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2

How to Convert Molarity to Mass % for Acetic Acid?

  • LakeMountD
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1

What Is the Potential of an Ag/Ag+ Electrode in NaCl Solutions?

  • Chris-jap
  • · Replies 1 ·
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1

What are the best methods for desalinating water effectively?

  • PPonte
  • · Replies 1 ·
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1

Iron Ore Extraction: Positive Environmental Impacts?

  • Aya
  • · Replies 5 ·
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5

Equations for Carbon Monoxide and Iron (III) Oxide Reaction

  • Aya
  • · Replies 5 ·
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5

Final temperature when 250 mL coffee at 80°C mixes with 250 g ice at 0°C

  • PhysicsinCalifornia
  • · Replies 1 ·
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1
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1

Understanding Solubility: KNO3 and Na2SO4 in Water

  • PPonte
  • · Replies 3 ·
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3

What are some methods for separating mixtures in chemistry?

  • danago
  • · Replies 7 ·
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7

Chemistry Miscellaneous calculation with moles, mass and gas volume

  • pavadrin
  • · Replies 3 ·
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3

What is the mindelian pattern of inheritance

  • karim102
  • · Replies 1 ·
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1

Finding molar enthalpy of formation with unknown reactant

  • cscott
  • · Replies 1 ·
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1

Entropy per unit mass question (ds)

  • ksle82
  • · Replies 4 ·
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4

Chemistry II: Determining a rate of a Solid

  • Elkay
  • · Replies 3 ·
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3

Acids, Bases, and the Chemistry of Taste

  • AngelShare
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2

Difference between an ideal gas and a real gas

  • pavadrin
  • · Replies 4 ·
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4
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2

Why do I have 23 paired chromosomes and 1 extra big chromosome in a karyotype?

  • PhysicBeginner
  • · Replies 1 ·
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1

Maximum Pressure over a Reaction

  • mrjeffy321
  • · Replies 9 ·
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9

Why does the Blue Bottle Demostration stop eventually?

  • dumbadum
  • · Replies 3 ·
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3

Finding pH Values for Acids and Bases Without Experiments

  • AngelShare
  • · Replies 5 ·
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5

Questions on HCl and H2SO4 reactions

  • The P-manator
  • · Replies 5 ·
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5

Can Fe2O3 Be Reconverted from FeCl3 Using NaOH and Heat?

  • nigi81
  • · Replies 2 ·
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2

How Do You Calculate Mass Percent of Compounds in a Mixed Sample?

  • annayn
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1

How Do You Calculate the Percent by Weight of Sodium in Na2S2O3?

  • Richay
  • · Replies 4 ·
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4

Predicting redox reactions and half equations from chemical mixtures

  • jrokusek
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2
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1

Alcohol Combustion Which fuel is best

  • Tido611
  • · Replies 1 ·
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1

Finding empirical formula from HCl and H2O products

  • annayn
  • · Replies 1 ·
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1

Arrhenius, Brønsted-Lowry, and Lewis acid-base definitions with examples

  • AngelShare
  • · Replies 16 ·
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16
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1

Do soluble reactants and products always mean no precipitate?

  • Aya
  • · Replies 1 ·
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1

Are my answers correct for alpha decay, beta decay, and fusion?

  • LittleMiss
  • · Replies 1 ·
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1

When a solute dissolves in a solvent, what happens?

  • danago
  • · Replies 2 ·
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2

What is the efficiency of the engine?

  • bluemoon
  • · Replies 6 ·
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6

Calculate the Joules Required to Heat 40 Kg of Water by 20°C

  • Little_Miss
  • · Replies 1 ·
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1
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7

Why Does My Copper-Zinc System Show Unexpected EMF and Precipitation Results?

  • ngkamsengpeter
  • · Replies 1 ·
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1
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1

How to Determine if a Reaction is a Redox Reaction?

  • Numbnut247
  • · Replies 2 ·
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2

Best ratios of corn meal, sugar and amylase for ethanol fermentation

  • dumbadum
  • · Replies 2 ·
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2

Standard enthalpy change for octane combustion to CO and CO2

  • annayn
  • · Replies 1 ·
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1
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4

How to Calculate the Mass of a Solution in a Calorimeter?

  • Mozart
  • · Replies 4 ·
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4
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4

Belousov-Zhabotinsky oscillating reaction

  • Feynmanfan
  • · Replies 1 ·
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1

What is the relationship between the amu and the gram?

  • IB
  • · Replies 4 ·
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4

Why does a positive E cell value indicate a spontaneous reaction?

  • Bladibla
  • · Replies 2 ·
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2

Finding flame temperature from iron washer cooling in water

  • eekoz
  • · Replies 7 ·
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7

pH of solution with 0.1M ammonia and 0.141M ammonium chloride

  • Ukitake Jyuushirou
  • · Replies 2 ·
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2

What Is the pH of a Solution with H2SO4 and Dissolved CaSO4?

  • scarshapedstar
  • · Replies 10 ·
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10

How does acid rain eat holes in the waxy coating of tree leaves?

  • PPonte
  • · Replies 3 ·
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3

General Chemistry - gibbs free energy

  • FrogPad
  • · Replies 4 ·
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4

Why soft drinks stay carbonated under pressure when refrigerated

  • albaboi123
  • · Replies 1 ·
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1

How to Calculate Mass of C6H5NO2 from Given Reactants?

  • Aya
  • · Replies 3 ·
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3

Acid dissociation constant thermicity

  • PPonte
  • · Replies 10 ·
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10

How Can Nitrogen Gas Be Produced in a Laboratory?

  • danago
  • · Replies 2 ·
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2

How Are Common Gases Industrially Prepared?

  • danago
  • · Replies 1 ·
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1

Sign of delta S given delta G and delta H values

  • FlipStyle1308
  • · Replies 6 ·
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6

Are acids made up of ions or molecular substances?

  • PPonte
  • · Replies 5 ·
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5

Formation of butyl propanoate and propyl methanoate

  • ScrubsFan
  • · Replies 2 ·
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2

What equilibrium constant K represents in ΔG equations?

  • mcato_O
  • · Replies 1 ·
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1

How Do You Calculate Osmotic Pressure for a Molecular Solution?

  • 23scadoo
  • · Replies 1 ·
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1

How Do You Convert 20mL of a Solution to Moles?

  • jjjackso89
  • · Replies 2 ·
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2

Why does temperature increase in an exothermic adiabatic reaction?

  • nikdandeker
  • · Replies 9 ·
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9

Lewis structure for CH3NCO with formal charges

  • Rasine
  • · Replies 2 ·
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2

How Do You Calculate Molar Concentrations and Mass of Solute?

  • Aya
  • · Replies 2 ·
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2

Energy released in combustion of triglyceride C57H104O6

  • FlipStyle1308
  • · Replies 2 ·
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2

Calculating Ksp of salt (answer check)

  • ScrubsFan
  • · Replies 2 ·
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2

Heat of Reaction 53: DH = 14.2 kJ/mol CO

  • ScrubsFan
  • · Replies 2 ·
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2

Hydrated copper (II) sulfate mass calculation

  • Aya
  • · Replies 5 ·
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5

Chemistry What is the molecular formula of CuSO4•xH2O?

  • Aya
  • · Replies 2 ·
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2

pH of 30ml 0.1M acetic acid mixed with 30ml 0.1M NaOH

  • Pengwuino
  • · Replies 1 ·
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1

Formation of compounds (Organic Chemistry)

  • ScrubsFan
  • · Replies 1 ·
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1

What is the nature of the bond in sodium dodecylbenzene sulfonate?

  • chemstudent123
  • · Replies 4 ·
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4
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2

How Do Reactivities Compare in Key Organic Chemistry Compound Pairs?

  • sparsh
  • · Replies 6 ·
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6

Transition Elements (Naming Substances) check answers

  • ScrubsFan
  • · Replies 1 ·
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1

2-butene reacts with hydrogen chloride gas

  • ScrubsFan
  • · Replies 4 ·
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4

Spin-Orbit Effects: Calculating Effective Magnetic Field?

  • ghallya
  • · Replies 6 ·
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6

Identifying a compound from its IR spectrum

  • samven582
  • · Replies 1 ·
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1

Reducing Agents and Standard Reduction Potentials

  • Soaring Crane
  • · Replies 2 ·
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2

Finding the food web section on the sea vents page

  • AngelShare
  • · Replies 8 ·
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8