- Chemistry tutorials & FAQs!
- Pressure in Reversible reactions
- balance these equations
- Stoichiometry
- Formula of Compound
- % Concentration of Solutions
- anyone lives in England ?? -GCSE help~
- Ionic equlibrium - Solubility Product?
- atoms to moles and more..
- equilibrium
- A question regarding porous pot
- Mass and Atomic number for ions
- Bonding
- Q=mHr... What?!!
- Enthalpy and Entropy
- Moles!
- litmus paper
- Chemical Reaction Types-Please Help!
- How many molecules are in 1L of O2 under the same conditions of temp and pressure?
- Question based on Faradays laws orf electrolysis
- Enthalpy Diagram
- Kinetic Molecular Theory
- True or False? (Enthalpy Diagram)
- Organic Chemistry
- ΔH for neutralization reaction
- What is the container made of?
- Calculating the average rate of ammonia production
- Reaction mechanisms involving Ozone Gas
- Equilibrium Constant Problem
- Electrochemistry question that I find very difficult
- Two closed containers connected with a valve
- At which temperature and pressure the molar volume of a gas the SMALLEST?
- Which process is favoured when pressure increases?
- A Question..
- organic acids
- Energy Changes
- list of bases
- drying agents
- Gas Stoichoimetry dealing with Mole Ratio
- Finding molarity of solution
- Calculate the amount in mole
- acids, bases, ph
- Rate of Reaction
- reaction of organic compounds with water
- chemical bonding
- spectrum problem
- urgent:investigating concentration of acid
- Challenging Problem
- Gas Laws Questions! Help
- What did I do wrong? Calculating the molarity of a solution
- stoichiometry
- salts and titration
- charge of an element
- What will happen if CuSO4 is taken as electrolyte.Zn & Cu are two electrodes.??
- higher than expected value!
- ...desalination process using flash distillation?
- equations
- Precipitation of substances
- hullo help
- % Abundance
- Molecular Geometry
- Determining Oxidation Number
- o interesting question
- acid/base questions thread
- Moles and Avogadro's Number Question
- How do you calculate the Empirical formula from % abundance?
- Empirical --> Chemical Formula using molar mass somehow
- Empirical/Molecular Formula from Combustion Equation
- Unbalanced relative molecular masses in reactions?
- decomposition reactions
- How many atoms in sample?
- avagodras law
- Valve, two gases --> What is total pressure?
- stichiometry
- Length and moles
- maximum mass in grams of NH3
- dimensional analysis confusion
- Sig figs and M, rearranging
- Some math help
- Which gas exerts a greater pressure?
- Mass % workcheck
- magnetic deflection subatomic particles
- mass spec
- Please check out my answer for this Fermentation question? I don't know if i'm correc
- emission spectra
- ionization energy
- Atomic orbitals
- Mole calculation (work check)
- Word problem
- masses and percentage yield
- Atoms in a big compound
- Atomic orbitals
- Determining the concentration of a Sample
- Soluble and Insoluble Products (Naming)
- writing electronic configurations for elements in oxidation states
- Hydrates and %........fast help please?
- Motivation for the Development of Chemical Theory
- Limiting Reagent Question (my own not a problem)
- Titration
- electrical car
- The mass number of an atom equals...
- solubility
- Titration Question
- calculate the volume
- organic compounds
- Chemistry gas question stumped :(
- redox
- Mole Word Problems(Works done, Check?)
- CHEM matter
- How many molecules are present in 453.6g NH4NO3?
- a tricky multiple choice
- quick Stoichiometry question
- acid-base reactions
- need help with group 4 elements
- NaHCO3 and KNO3 Precipitate
- chemistry
- chemistry 2
- Carbon chains and free radical substitution..
- identifying ions in aqueous solutions - wet chemical test with lead and silver
- nucleic acid
- Dna
- DNA replication
- How do I know which molecules are polar?
- Precipitate of two substances mixing
- finding density
- can someone please explain to me how to work this problem?
- Acid-neutralization reaction
- Diethylpentane structure
- Please Help!
- What is the concentration of sodium ions
- how many molecules of nh3 are in 3.0 moles of ammonia?
- Does the electrolytes used in car batterys
- "How many electrons could occupy orbitals with the following quantum numbers?"
- Which species has undergone oxidation?
- Which is correct about ethane (C2H6)?
- mRNA
- Dna
- amino acid
- chemistry questions
- I need the corect answers
- genes
- genes 2
- Equivalence Volume (equivalence pH)
- quantum number
- thermodynamics
- PH Curve for Base that is Polyprotic?
- moles help please
- Determination of Some Fluoroquinolone Antibacterials with DNA-Modified Electrodes and
- Kinetic Studies of the Hydrolysis of Furfurylidenefuroyl Hydrazone Derivatives, Solva
- HPLC Determination of Four Textile Dyes and Studying Their Degradation Using Spectrop
- Silver-Cadmium Electrochemical Cell
- Redox Reaction
- the surface of diamond
- check/help
- Electron configuration
- Standard Electrode Potential-A simple problem
- Drying agent
- Reverse Reactions
- junior science question (i hope)
- Testing for Alcohols, Aldeydes, Acids and Alkenes.
- ConcentratioN
- Chemical Theory of Calcium Determination.
- viagra
- Question
- Please Help!
- Dynamic Periodic Table
- Faraday's law questions
- please help me with the problems
- Solubility????????
- finding volume
- Question on electron
- Freezing point depression???
- Intensive Thermodynamic Properties
- Need some assistance mol problem
- Gas Laws
- nuclear fission vs. burning of fossil fuels
- chemistry h/w: can someone check my answers?
- Question on electronic configuration
- Bohr's model question
- rate of diffusion
- Chemistry buffer problem?
- Acid/Base Equilibrium
- Questions on Mass Spectroscopy
- please i need help pleeeeeeese
- please help help
- Simple clarification on Qualitative Analysis
- quick question!
- Theoretical Yield
- Beginner Chemistry Questions
- Cracking/pyrolysis- organic chemistry
- Sulphur cannot conduct electricity but copper can.
- combustion
- How can I predict the product of a reaction?
- reaction
- reaction 2
- Chem Calculation
- Rate of reactions
- Calorimetry question and test tomorrow. Please help!!!!
- Please help with calculations
- Structural Diagrams
- Stoichiometry
- HC2H3O2 + NaC2H3O2 ==> ??????
- Titration questions
- Simple precipitation question
- Help With Rate Law Please
- Selenium Oxide + Metal
- equilibrium question
- How do I know how to write the equations?
- Electrolysis conundrum
- Oxidatiom calculations
- Redox
- Quantum Numbers Confusion
- Balance using oxidation numbers
- Concentration problem.
- Calorimetry Help
- Unknown Substance
- mole calculations
- Easy Mole Question
- Soap makeing
- find the concentration
- isomers in hydrocarbon
- need help
- Heat in Changes of State
- Simple mole question.
- Mole question.
- Solvents and Solutes
- No. of moles...
- Testing for pH and Sulphate
- Summing reactions/rate constants
- Gas Law Problem
- Enthalpy change values?
- Gas Stoichiometry Problem
- Oxidization of Tin paper????
- Lewis Structure
- Sodium hypochlorite
- pH - Problem
- Chlorides
- net ionic equation help
- Can anyone help me?
- the hybridization of SO2
- pressure/mole calculation help :(
- Some help with density problems..?
- pH in relation to LeChatelier's Principle
- Chem. Problem
- Doppler Effect..pls help...
- help with net ionic equations
- Buffer Solution
- Mole Calculation in Titration?
- Sizes of Ions
- Partition Coefficient