Free Biology, Chemistry, Geology homework help via qualified mentors. Please use the template when requesting help and show your work. Gain understanding today!
Threads
Calculating pH of Mixed Solutions: HCl and Sodium Acetate, Acetic Acid and NaOH
- pari786
- · Replies 2 ·
Are all exothermic reactions chemical changes?
- KOOOL_DJ
- · Replies 2 ·
How can I solve a spectroscopic eclipsing binary system problem?
- Soylentgreen
- · Replies 1 ·
Balancing a Redox Equation in Acidic Solution
- pompey
- · Replies 1 ·
Calculate [Ag+] in Test Solution with Nernst Eq. (Chem 102 Lab)
- loadsy
- · Replies 2 ·
Are My Bond Length Arrangements Correct?
- chaoseverlasting
- · Replies 3 ·
How Does Free Energy Determine Spontaneity in Chemical Reactions?
- Narsi Reddy
- · Replies 3 ·
Nuclear Equation, not sure it its right
- linuxux
- · Replies 3 ·
Organic Reaction: CrO3/HOAc Breakdown of R-CH=CH-C=_CH
- chaoseverlasting
- · Replies 1 ·
What is critical temperature for O2 and H2O?
- chaoseverlasting
- · Replies 2 ·
If you know the answer of these 5 Questios , me
- togetherforever
- · Replies 2 ·
Why HF (hydrogen fluoride) is not soluble in water?
- Ahmed Abdullah
- · Replies 10 ·
Titriation Calculation for Weak Acid, Strong Base
- linuxux
- · Replies 4 ·
Reactivity of Ketones: Do They React with Thio Alcohols?
- chaoseverlasting
- · Replies 1 ·
Why doesn't oil dissolve Teflon if the molecule is nonpolar?
- 6ies
- · Replies 3 ·
Solve Buffer Problem: 1.00L 1.80 mol/L, pH 4.50, NaC2H3O2, pKa 4.74
- linuxux
- · Replies 4 ·
Which of the following solutions result in a buffer ?
- SamTsui86
- · Replies 1 ·
Chemistry Calculating moles, ratio, empirical formula
- wellY--3
- · Replies 3 ·
Will Iron Rust in 0.1M Sodium Dichromate?
- danago
- · Replies 1 ·
Analytical Chemistry involving buffer
- jkh4
- · Replies 2 ·
Redox half-reaction for Cr+2 reduction and K2Cr2O7 with HNO3
- Fusilli_Jerry89
- · Replies 2 ·
Solubility combined with Buffer solutions ugh
- ultimateguy
- · Replies 2 ·
Calculating amount of precipitate that will form
- ultimateguy
- · Replies 9 ·
Insulating Your Home: How Insulation Keeps You Warm
- afcwestwarrior
- · Replies 1 ·
Chemistry Problem: Calculating Keq for N2O4 Gas Dissociation at 25oC
- afcwestwarrior
- · Replies 5 ·
Why Does Frost Form in Winter?
- afcwestwarrior
- · Replies 1 ·
Solving Chemical Reactions Involving Ammonium
- VinceStolen
- · Replies 2 ·
Finding emprical formula of compound CHON
- jacker2011
- · Replies 1 ·
Element X forms dichloride and tetrachloride, find atomic mass
- jacker2011
- · Replies 2 ·
Solve Ka2 of Sulfuric Acid in Aqueous Solution
- roq2
- · Replies 2 ·
[ask] How to calculate the initial rates of the reaction 2NO + Cl2 => 2NOCl?
- pengko
- · Replies 1 ·
Are Drano and ammonium chloride dissolving in water chemical or physical changes?
- KOOOL_DJ
- · Replies 3 ·
Effect of Adding NaOH to a Solution of K2CrO4 at Equilibrium
- angel_eyez
- · Replies 9 ·
What is the Correct pH at the Endpoint of a Weak Acid Neutralization?
- pakmingki
- · Replies 2 ·
Balancing equations for calcium with water and silver nitrate with iodide
- Clueless333
- · Replies 2 ·
DNA uncoiling half-life at 37°C with Ea = 430 kJ/mol
- afcwestwarrior
- · Replies 6 ·
Importance of Homologous Pairs in Genetics
- teh_merce
- · Replies 1 ·
How Do Males and Females Differ in Strength, Oxygen Transport, and Body Fat?
- imy786
- · Replies 1 ·
Enthalpy of neutralisation calculations giving wrong values
- jackal22
- · Replies 2 ·
Pressure when liquid helium warms in a sealed air-filled bottle
- Aggie
- · Replies 2 ·
How do you determine if XeF4 and SO2 follow or violate the octet rule?
- Chumchum
- · Replies 2 ·
Chemistry Chem 2: # of pi bonds in a molecule
- CausativeAgent
- · Replies 4 ·
Moles of aluminum needed to form 3.4 moles of aluminum oxide
- LraeByrne
- · Replies 2 ·
How much magnesium is needed to react with oxygen gas at specified conditions?
- bluegirlbalance
- · Replies 2 ·
Elastic collision between football players with opposite velocities
- LSarah6
- · Replies 1 ·
How Do You Calculate the Dipole Vector for a Water Molecule?
- greisen
- · Replies 1 ·
Internal energy and thermodynamic potentials for rubber under pressure and tension
- foranlogan2
- · Replies 3 ·
Which Acids/Bases React with Water to Produce Non-Neutral Solutions?
- SA32
- · Replies 2 ·
What Determines the Products of Oxide Reactions with Water?
- Fusilli_Jerry89
- · Replies 1 ·
What is the Ka and pKa for a weak monoprotic acid with given titration data?
- feelau
- · Replies 3 ·
Creating Buffer Solutions w/ NH4Br - Is it Possible?
- Fusilli_Jerry89
- · Replies 1 ·
What Is the Correct Product of H2SO4 and LiOH Reaction?
- Fusilli_Jerry89
- · Replies 5 ·
Calculating Hydrostatic Pressure Difference
- greisen
- · Replies 4 ·
Is energy transfer in a chemical reaction always from potential to kinetic?
- Werg22
- · Replies 5 ·
Equation for the reaction between YO2 and water.
- Fusilli_Jerry89
- · Replies 4 ·
Why elements are sometimes called the "s" block?
- New_Prodigy
- · Replies 2 ·
General Chemistry Pressure and Rate laws
- ElectronicError
- · Replies 6 ·
How do I find the density of NH3 in kg/m³?
- Bradracer18
- · Replies 5 ·
How Do Different Stresses Affect a Chemical Equilibrium Reaction?
- lapo3399
- · Replies 14 ·
Which reactants are Lewis acids in these four reactions?
- Intr3pid
- · Replies 1 ·
Biology - examples of enzyme Inhibitors
- natural
- · Replies 1 ·
Ground State Energy of Diatomic Molecule
- greisen
- · Replies 5 ·
Finding a dedicated biology help forum
- BayernBlues
- · Replies 3 ·
Understanding Keq: Effects of Concentration Changes on Equilibrium
- Fusilli_Jerry89
- · Replies 5 ·
Determining Symmetry Group of Cyclopentadienyl using Huckel Theory
- greisen
- · Replies 4 ·
Variational Theory: Ground vs Non-Ground States
- greisen
- · Replies 2 ·
Partial Pressure from decomposition
- brandon1
- · Replies 2 ·
What is a vapor bulb thermometer ?
- the_dialogue
- · Replies 3 ·
Charge on sodium in the following reaction
- xol0veisSuicideX
- · Replies 8 ·
Chemistry How many moles are in 100 grams of sodium chloride (NaCl)?
- Caitex3
- · Replies 3 ·
Nuclear reactions and energy worksheet questions
- surferrgirrl
- · Replies 6 ·
Finding Kp for the dissociation of HI gas given initial moles and dissociated amount
- terainfizik
- · Replies 3 ·
Are electrode signs based on charge or electric potential?
- pivoxa15
- · Replies 11 ·
How to Solve Stoichiometry Problems Involving Mass and Balanced Equations?
- GLprincess02
- · Replies 9 ·
Calculating Activation Energy with Temperature and Time Data
- brandon1
- · Replies 3 ·
Why is the Hessian matrix needed to find saddle points in reaction simulations?
- greisen
- · Replies 2 ·
What volume of the gas absorbed by the alkali ?
- terainfizik
- · Replies 11 ·
Calculate pH of 23.0 mL of 6.29 M HCl Added to 160.0 mL Distilled Water
- ada15
- · Replies 7 ·
Quantatative Analysis of LiCl and LiBr Mixture
- robbondo
- · Replies 4 ·
Dative bond confusion (or coordinate bond)
- dilan
- · Replies 4 ·
Structure of CuSO4.5H2O, ZnSO4.7H2O, and FeSO4.7H2O
- chaoseverlasting
- · Replies 7 ·
Effects of nutrient deficiencies in plants and fertilizer alternatives
- brandong
- · Replies 2 ·
Mass Flow Rate Through 40 cm Tube at 18 m/s
- Jacob87411
- · Replies 2 ·
Chemistry Homework: Answers to Questions about Reactions & Electrons
- dnt
- · Replies 8 ·
What Indicators Are Best for Titration of HNO3 with NaCN and LiOH with HNO2?
- Fusilli_Jerry89
- · Replies 1 ·
Chemistry Did I Calculate the Moles and Mass Correctly in My Iron and Copper Lab?
- JenniferBlanco
- · Replies 8 ·
How to Calculate the Heat of Hydration of Copper(II) Sulphate?
- nathaniell
- · Replies 2 ·
Naming Organic Compound: Bispiro Cyclopropyl Ethyl
- FaNgS
- · Replies 5 ·
Quick Organic Chem Nomenclature Question
- Batmaniac
- · Replies 1 ·
Positive Delta S: H2 + I2 --> 2HI, N2O4 from NO2
- enigmatic
- · Replies 1 ·
Quick Easy Question, takes 5 seconds
- Fusilli_Jerry89
- · Replies 9 ·
Why potassium doesn't reduce Ni2+ to nickel crystals
- pivoxa15
- · Replies 5 ·
How can we separate TeO2 from SiO2?
- little doctor
- · Replies 3 ·
Are CH3COOH and C4H8 Combustion Predictions Correct?
- AzMaphysics
- · Replies 1 ·
Hot air balloon volume at constant pressure with altitude
- bluegirlbalance
- · Replies 10 ·
How to convert boric acid to boric oxide
- lmenwe
- · Replies 5 ·
Calculating Benzoic Acid Moles & Percent Purity
- feelau
- · Replies 2 ·
What is the role of cholesterol in animal plasma membranes?
- webdivx
- · Replies 1 ·
Cloning eng1 gene into pBluescript II KS/SK plasmid
- genwiz
- · Replies 1 ·
What is the Theoretical Heat of Hydration for Copper(II) Sulphate?
- nathaniell
- · Replies 3 ·