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How Does a pH Meter Work and What Role Does the Reference Electrode Play?
- Mizuki168
- · Replies 5 ·
Iron UV Spectrometer: Absorption in UV Radiations
- Natureloving
- · Replies 2 ·
Basic Chem - Molar Percentage problem.
- MarcMTL
- · Replies 1 ·
Which one is reducing and which is oxidising?
- Procrastinate
- · Replies 3 ·
What Are the Number and Types of Atoms in an Ozone Molecule?
- sender
- · Replies 2 ·
DNA nucleotide composition from hot vent bacteria samples
- seto6
- · Replies 1 ·
Where Is the Mistake in This Stoichiometry Calculation?
- land_of_ice
- · Replies 3 ·
Calculating Density of NaCl Crystal
- Deathfish
- · Replies 2 ·
Activity and decay energy of 1 mg U-238
- disneychannel
- · Replies 2 ·
What Is the Missing Enantiomer of C6H12?
- chemystery
- · Replies 7 ·
How to Calculate Buffer Volume for Given pH and Concentrations
- Fibonacci
- · Replies 1 ·
When Does Radium-226 Become Safe?
- Moonflower
- · Replies 1 ·
Ethene + Steam = Ethane and perhaps a magical unknown substance
- nobahar
- · Replies 2 ·
Understanding Drinkable Water for Teens
- jedijess
- · Replies 4 ·
Lab Final - finding molar mass of an unknown gas
- Unlisted
- · Replies 2 ·
Using chromatography to identify 1-pentene, cis-2-pentene, or trans-2-pentene
- UKWildcat
- · Replies 2 ·
Did Proust's atomic theory say all elements are made of hydrogen atoms?
- logearav
- · Replies 1 ·
What are Ka and Kb for the bicarbonate ion?
- kirsten_2009
- · Replies 2 ·
How Many Bridge Hands Include Specific Card Suits?
- stevecallaway
- · Replies 1 ·
Finding mixture concentration using Beer's Law
- DeadFishFactory
- · Replies 3 ·
Which Ion Precipitates Last as Na2SO4 Is Added?
- Macroer
- · Replies 3 ·
Calculating Freezing Point of K2CrO4 Solution
- uuuhhhx2
- · Replies 2 ·
How Is Chemical Energy Used and Where Can It Be Found?
- LatexZone
- · Replies 9 ·
Ocean water is found to contain 7.2 g of NaCl, what is the molarity ?
- land_of_ice
- · Replies 5 ·
Industrial Uses for Nuclear Energy?
- LatexZone
- · Replies 12 ·
Finding H3PO4 concentration from KOH titration data
- land_of_ice
- · Replies 2 ·
Gravimetric Analysis- precipitation method
- leah3000
- · Replies 3 ·
Thermochemistry: Irreversible Expansion of Ideal Gas
- kido
- · Replies 4 ·
Finding common factors in atomic mass calculations
- Slimsta
- · Replies 2 ·
Calculating electrical energy using E = ITV
- LatexZone
- · Replies 4 ·
How Does Le Chatelier's Principle Explain a Soft Drink Going Flat?
- iRaid
- · Replies 4 ·
Suicide substrate and kinetics
- Zealduke
- · Replies 3 ·
What types of energy does the sun produce?
- LatexZone
- · Replies 8 ·
Diluting an 18 wt% solution to 2 wt% using C1V1=C2V2
- flatpro
- · Replies 5 ·
Determining reaction order for HCl and sodium thiosulfate in kinetics lab
- AC24
- · Replies 1 ·
Photon - Is it really a wave or something else?
- stevmg
- · Replies 2 ·
Can compost generate electricity like a lemon battery?
- NikkiH
- · Replies 1 ·
Reactions that produce harmless gas
- ufo101
- · Replies 11 ·
Manganese (II) chloride and sodium hydroxide
- TheTourist
- · Replies 3 ·
Help with Equilibrium: CH4 + H2O -> CO + 3H2
- apiwowar
- · Replies 1 ·
Identifying unknown aromatic ketone with BP 214°C and IR peak at 1700
- JalilaJ
- · Replies 2 ·
Calculating percentage yield labi really ?
- Roro312
- · Replies 1 ·
Put in order from most to least important (easy)
- xdeanna
- · Replies 3 ·
Finding change in concentration over change in time
- Greywolfe1982
- · Replies 2 ·
Atoms in 15L Ar at STP: 4.0325x1023
- fcb
- · Replies 3 ·
What Solvents Have a Molar Mass Around 505.33 g/mol?
- kevin0788
- · Replies 1 ·
How to detect excess sodium bicarbonate in reaction with HCl
- madeeeeee
- · Replies 1 ·
What is the Importance of Cell Differentiation?
- LatexZone
- · Replies 1 ·
Enthalpy of Reaction: Fe2O3 + CO --> CO2 + 2Fe3O4
- Faiien
- · Replies 3 ·
Sodium azide has a lower solubility than hydrazoic acid in hexane
- elitewarr
- · Replies 5 ·
Calculate Number of Solute Molecules in 30mM Solution in 100nm Sphere
- towerette
- · Replies 5 ·
What Do ΔH Values Represent in Chemical Reactions?
- Draggu
- · Replies 11 ·
Why do some materials create fireballs when blown into flames?
- ahhppull
- · Replies 1 ·
How Do You Calculate the Molarity of FeSCN2+ in a Complex Solution?
- bigzabuda
- · Replies 2 ·
Chemistry Hydrocarbon molecular weight grade 11
- lunapt
- · Replies 2 ·
Why heat of combustion is not the reverse of the heat of formation
- GNAD
- · Replies 1 ·
What Is the Absorbance of a Diluted Copper Solution?
- hongkong
- · Replies 1 ·
Calculating Wavelength Using Atomic Emission Spectra and Balmer Series Equation
- apiwowar
- · Replies 1 ·
In trigonal bipyramidal geometry
- apiwowar
- · Replies 1 ·
Chemistry NH3 molecule did not use sp3 hybridized orbitals
- icystrike
- · Replies 1 ·
Absorption bands on electronic spectra
- TheTourist
- · Replies 1 ·
Net Ionic Equation for Fe(NH4)2(SO4)2.6H2O + KMnO4 Reaction"
- Hockeystar
- · Replies 9 ·
Relationship between midnight line and international date line
- likewhoa
- · Replies 2 ·
Energy transfer mechanisms within the Earth’s atmosphere
- Boomting
- · Replies 3 ·
Finding cell emf in a concentration cell
- 4LeafClover
- · Replies 18 ·
How Does Soda Power a Clock Using Electrochemistry?
- ahhppull
- · Replies 1 ·
Empirical Formula of a Hydrate
- dlogdivad
- · Replies 3 ·
Help with Chi-Squared Test: Probability Link to \chi^2 Value
- leah3000
- · Replies 2 ·
How Do You Calculate the Formula for Hydrated MgSO4 Using Experimental Data?
- haleybaley5
- · Replies 1 ·
Balancing copper and sulfur synthesis equations
- Littlemiss83
- · Replies 1 ·
1mol of an organic compound requires 3mol of oxygen gas
- elitewarr
- · Replies 2 ·
Differential equation - radioactive decay
- phil ess
- · Replies 2 ·
[Chem] Buffer solution with acetic acid
- hiuting
- · Replies 1 ·
Determining rate constant and reaction order
- Aeon
- · Replies 1 ·
How does 2-chloro-2-butene polymerize by addition polymerization?
- Macroer
- · Replies 7 ·
Finding muscle force from biomechanics equation
- theinfamous1
- · Replies 1 ·
A level Chemistry relationship between
- lewbot
- · Replies 3 ·
Chemistry How Did My Professor Calculate 45 mmoles of Limiting Reagent in a Chemistry Lab?
- Puchinita5
- · Replies 2 ·
OCHEM transition states and reaction rates
- coookiemonste
- · Replies 1 ·
Solving a Puzzling Chemistry Problem: What Went Wrong?
- vipertongn
- · Replies 1 ·
Understanding OCH- Lewis Structures
- icystrike
- · Replies 2 ·
Titration Question (High School Chem)
- imapeiceofwod
- · Replies 1 ·
How to Find the Ka of an Acid from pH and Titration Data?
- Jade_punk181
- · Replies 1 ·
Finding pH of a buffer with polyprotic acid
- 4LeafClover
- · Replies 30 ·
Chemistry Finding Molecular formula from a given molecular mass and equation.
- SaRaH...
- · Replies 1 ·
How does temperature change shift chemical equilibrium?
- Sirsh
- · Replies 3 ·
Calculating Cell Potential at 25oC with Cu2+ and NaOH
- kooombaya
- · Replies 11 ·
Are These Sulfate Salts Acidic or Basic?
- michaelxavier
- · Replies 2 ·
These are bio-catalyst n protenious compound present in living system
- dj_21
- · Replies 1 ·
Energy problem - ice melted by burning ethanol
- philtered
- · Replies 4 ·
How many grams CH3COONa do I need to create this buffer?
- 4LeafClover
- · Replies 13 ·
Number of balloons filled from a tank of helium
- Mitch_11
- · Replies 8 ·
Redox titration (calculating percent iron in sample)
- philtered
- · Replies 1 ·
Titration of Nitrous Acid with Sodium Hydroxide
- rcrx
- · Replies 4 ·
Henderson Hassalbach equation problem
- hianghao
- · Replies 4 ·
Phosphate Buffer Concentration Calculation
- hianghao
- · Replies 2 ·
Net Bronsted equations for acid-base reactions of household items
- nlsherrill
- · Replies 1 ·
Radioactive Decay: Calculate % Decayed, Atoms Remaining, Half-Life
- JstCallMeTrix
- · Replies 1 ·
Calculating Kp for a Gas-Phase Equilibrium Reaction
- rcrx
- · Replies 7 ·
Why Does Removing CO2 Make a NaHCO3 Solution More Basic?
- Puchinita5
- · Replies 1 ·