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What Is the Change in Entropy?
- tahaha
- · Replies 3 ·
I interpreting my results for a thermal decomposition lab
- littlebearrrr
- · Replies 1 ·
Striking a match, Endothermic or Exothermic?
- Acnhduy
- · Replies 1 ·
Practical on determinig if a burette is more accurate
- lionely
- · Replies 9 ·
Comparing Bond Lengths in Pairs of Bonds
- Qube
- · Replies 3 ·
KMnO4 Titration, why does it need to be in an acid?
- colink96
- · Replies 4 ·
Calculating Molar Mass Percent Error in Butane Lab Results
- SkittlesGal
- · Replies 1 ·
Lewis Structure; Non-bonding pair missing
- Qube
- · Replies 1 ·
How many Rb atoms to fit on a 9Cm^2 square?
- UnD3R0aTh
- · Replies 14 ·
Why do some P,T sets of data give wrong readings in phase transition problems?
- Big-Daddy
- · Replies 7 ·
Using Hess's Law to calculate ΔH°rxn
- littlebearrrr
- · Replies 2 ·
PH of concentrated and dilute acids
- Betadine
- · Replies 3 ·
Stoichiometry: Calculating Reactant Mass from Product Mass
- physicsnobrain
- · Replies 1 ·
Maximum Percent Recovery in Ethanol/Water Recrystallization
- JM92
- · Replies 4 ·
Calculate pressure inside closed container
- Bartbol
- · Replies 1 ·
Does pH Affect Enzyme Activity in Cornstarch and Saliva?
- Jbreezy
- · Replies 4 ·
Recrystallization - finding the amount of the final product of Cmpd A
- bluenarwhals
- · Replies 3 ·
Why amino acids as Zwitterons in solid state and ph neutral?
- Neek 007
- · Replies 1 ·
Chemistry Calculate Mole Fraction, Density, & %w/w given Molarity and Molality?
- kariibex
- · Replies 1 ·
Specific Rotation of 4-Methoxy-d-Mannose in Tetrasaccharide Hydrolysis
- amit25
- · Replies 2 ·
Comparing Electronic Transitions in H and Be3+
- fogvajarash
- · Replies 4 ·
IUPAC Rules for Alkene Nomenclature: Naming (Z)-3-methyl-3-butene and Isobutene
- jorgegalvan93
- · Replies 1 ·
Help with English units. Specific Heat
- MacLaddy
- · Replies 7 ·
Max Temperature Variation in Charles' Law Oxygen Gas Problem
- Speedking96
- · Replies 1 ·
How do pH and enzymes interact in a lab setting?
- Jbreezy
- · Replies 1 ·
Finding the pressure of a gas given a density?
- littlebearrrr
- · Replies 16 ·
Electron Config. for Sg+2: Explained
- zaddyzad
- · Replies 4 ·
Atom Balance: C & O for CO and O2 Reaction
- xzibition8612
- · Replies 2 ·
What Volume of Oxygen Gas is Needed to Combust 3.5 Moles of Propane?
- STEMucator
- · Replies 5 ·
How Do You Calculate the Probability of No Reservations in Multiple Calls?
- needstatshelp
- · Replies 2 ·
Do Transition Metals Always Lose Electrons to Fill d-Subshells?
- Astronomer1
- · Replies 1 ·
Calculating Number of Oxygen Atoms in CaSO4: A Pop Quiz Challenge
- nando94
- · Replies 3 ·
Identifying Undissolved Silver Halides in Precipitation Reactions
- V0ODO0CH1LD
- · Replies 8 ·
What is the Probability that Each Person Wins One Match?
- needstatshelp
- · Replies 1 ·
Molar extinction coefficient calculation.
- Lahe
- · Replies 5 ·
How Do You Write the Reaction Quotient Qc for This Reaction?
- MG5
- · Replies 1 ·
Calculating Mass from Chemical Reaction
- physicsnobrain
- · Replies 1 ·
How to Design a Protein from Primary to Quaternary Structure?
- neuro.akn
- · Replies 9 ·
What is the maximum pH when aniline is dissolved in water at 25oC?
- Norway
- · Replies 10 ·
Organic chemistry, naming cycloalkenes
- TheRedDevil18
- · Replies 5 ·
How Do Significant Figures Affect Calculations in Chemistry?
- garet122
- · Replies 1 ·
How to Find Equilibrium Pressures for NO₂ and N₂O₄ at 298 K?
- Youngster
- · Replies 1 ·
How to Convert Between Joules and Kilojoules in Quantum Theory
- csinger1
- · Replies 2 ·
How to Find the Change in Helmholtz Energy for an Isothermal Gas Expansion?
- Youngster
- · Replies 5 ·
What Did I Do Wrong in Finding the Percent Yield of Alum?
- physicsnobrain
- · Replies 9 ·
Finding the oxidized and reduced element
- physics=world
- · Replies 13 ·
Solve Reversible Expansion of Ideal Gas: q, Work, ΔU
- SpringWater
- · Replies 1 ·
How do I know which one is the limiting reactant?
- physics=world
- · Replies 9 ·
Predicting Precipitates: A Double Displacement Homework Exercise
- STEMucator
- · Replies 0 ·
Why Does Ammonium Sulfate Saturation in Supernatant Vary Among Different Groups?
- Violagirl
- · Replies 2 ·
Predict which of the solutions below will exert the highest Vapor pressure
- Jbreezy
- · Replies 2 ·
Getting N-methyl-2-aminobutane from 2-aminobutane
- Ace.
- · Replies 3 ·
Chemistry What is the mole ratio of NaOH to C8H8O3 in this reaction?
- JM92
- · Replies 2 ·
How can I balance an equation with odd numbers of certain elements?
- FTCC.student
- · Replies 3 ·
Change of State and Enthelpy; Limiting Reactants
- Qube
- · Replies 1 ·
Stats: Need help understanding where the sum of x^2 comes from
- smaan
- · Replies 3 ·
Very quick question regarding melting point and purity
- daselocution
- · Replies 1 ·
What is the identity of the monoamine monocarboxylic amino acid?
- Youngster
- · Replies 15 ·
Using stoichiometry to determine empirical formula
- littlebearrrr
- · Replies 2 ·
What is the percentage by mass of ammonium phosphate in the fertilizer?
- littlebearrrr
- · Replies 3 ·
Sig Fig: How Many Magnesium Ions in 200 kg MgO?
- STEMucator
- · Replies 2 ·
Why does 2-propanethiol have a lower boiling point than 1-propanethiol
- jonahsaltzman
- · Replies 2 ·
How Do You Calculate the Molarity of Glacial Acetic Acid?
- alingy1
- · Replies 5 ·
How Do You Calculate Percent Yield of C2H5Cl in a Complex Reaction?
- alingy1
- · Replies 5 ·
Kossel Lewis Approach To Chemical Bonding
- andyrk
- · Replies 11 ·
A very simple qn on geometrical isomers
- nil1996
- · Replies 2 ·
Stoichiometry and other questions
- marinepyre
- · Replies 2 ·
Why can't atoms in body centred and face centred structures touch each other?
- andyrk
- · Replies 6 ·
Is This Compound Optically Active?
- nil1996
- · Replies 3 ·
Which Compound Has the Highest Boiling Point and Why?
- Jbreezy
- · Replies 1 ·
Percent copper in post-1982 pennies
- kevinnn
- · Replies 23 ·
Difference in energy between visible line spectrum and ultraviolet?
- cheekygeek
- · Replies 1 ·
Why Doesn't Adding Water Change the pH of Acid During Titration?
- alingy1
- · Replies 1 ·
Mass of Cu(UO2)2(PO4)2*8H2O required to contain 1.05g of P
- kevinnn
- · Replies 1 ·
Determining pH when given volume and concentration of a solution?
- Violagirl
- · Replies 5 ·
Chemistry Average distance between gas molecules
- SpringWater
- · Replies 1 ·
Ochem - linear combination of atomic orbitals
- hamhamt
- · Replies 1 ·
How Do You Draw the VSEPR Structure for CH3CH3?
- Jbreezy
- · Replies 2 ·
Draw VSEPR Structures: CsF Ionic, Polar Covalent or Non-Polar?
- Jbreezy
- · Replies 5 ·
How Do You Convert the Volume of a 16-Gauge Wire into Its Length?
- kevinnn
- · Replies 10 ·
Calculate Mass Percent of Fe in Ore Sample
- srana
- · Replies 2 ·
Electrochemistry Reference Electrodes
- war485
- · Replies 4 ·
Quick quantitative analysis problem
- Xelb
- · Replies 1 ·
Calculating Boltzmann's Constant (k) with h=6.6E23
- PStudent111
- · Replies 3 ·
Why is the formula for lithium nitride Li3N and not Li2N2?
- alingy1
- · Replies 4 ·
Calculating Heat Produced in a Chemical Reaction
- JoeMann
- · Replies 1 ·
How Many Balloons Can You Inflate with a 15L Helium Cylinder?
- fiotengko
- · Replies 1 ·
Why is ionization of sodium endothermic?
- CatWhisperer
- · Replies 4 ·
How Do You Prepare a 13.3 mM Trypan Blue Solution in 30% Ethanol?
- plutolover
- · Replies 2 ·
RNA destroyed, and areas of no color showed
- UnD3R0aTh
- · Replies 6 ·
Allosteric Enzymes: Mechanisms & Advantages
- aa2
- · Replies 2 ·
Writing an equation for a ester formed through reflux
- 5ymmetrica1
- · Replies 4 ·
Understanding Net Ionic Equations for MgCl2 + Cu(NO3)2
- MG5
- · Replies 4 ·
Solve Chemistry Problem: 3 NaOH Samples Found at Crime Scene
- chemistryhelps
- · Replies 2 ·
Equilibrium, Charge Balance, Mass Balance
- whatlifeforme
- · Replies 3 ·
Analytical Chemistry: Calculate the pH.
- whatlifeforme
- · Replies 1 ·
Calculating Thermodynamic Heat and Work
- Youngster
- · Replies 5 ·
Electrochemistry Exercise: Normal Potential of a Reaction
- D_Tr
- · Replies 1 ·
Understanding Hybridization in Central Atoms: NH3, SO2, and NH4+
- UnD3R0aTh
- · Replies 5 ·
Addition reactions: Alkenes vs Alkynes
- consciousness
- · Replies 6 ·