Biology and Chemistry Homework Help Forum

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Ideal Gas Pressure: Solve Physics HW

  • DrMcDreamy
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2

pH of acetate buffer after dilution to 100 mL

  • n77ler
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5

What is the fragment loss for 51 peak in the given mass spectrum?

  • manicss01
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1

Why are K+ and NO3− spectator ions in Pb(NO3)2 + 2KI precipitation?

  • crybllrd
  • · Replies 2 ·
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2

C-vitamin titration (Equivalence Point)

  • don1231915
  • · Replies 1 ·
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1

How Do I Calculate Entropy of Surroundings in Adiabatic Expansion?

  • pilotpanda
  • · Replies 5 ·
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5

How many types of protons? (^1 H NMR)

  • 2h2o
  • · Replies 3 ·
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3

Who is the Oxidizer and Who is the Reducer in Oxidation-Reduction?

  • omni
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5
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4

Acid, Base, and Buffer Titration Problem

  • MitsuShai
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1

Electrochemical Cells, Cell Potentials: Using Nernst Equation

  • Gaunt101
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2

Chemistry, Calorimetry finding delta H

  • alexpratt
  • · Replies 2 ·
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2

Calculating % Yield of NaN3 Experiment

  • crybllrd
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3

Need lamen explanation of ionic vs. covalent bonds

  • julia*
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1

What are the concentrations of HA and A- at this point in concentration?

  • Complexity
  • · Replies 3 ·
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3

Converting gas particles to moles using Avogadro's number

  • lmannoia
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1
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4

Calculating Percent Yield for a Chemical Reaction

  • Numnum
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1

Finding hydration formulas for MgSO4 and CaCl2

  • peon
  • · Replies 4 ·
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4

Calculate ppm of NH4+ in (NH4)2SO4 Solution

  • elemis
  • · Replies 6 ·
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6

Gas collected over water in Zn and HCl reaction

  • jackjones12
  • · Replies 3 ·
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3

Calculate Mutant Frequency: Lac Operon Mutations

  • mastiffcacher
  • · Replies 2 ·
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2

Biology Genetics - Color Blindness Pedigree

  • ethicaldesign
  • · Replies 1 ·
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1

What is the final temperature inside the vessel after combustion?

  • YoChem
  • · Replies 2 ·
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2

How do you draw a molecular orbital diagram for CH3F?

  • TomBurgundy
  • · Replies 2 ·
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2

Theoretical air needed to combust 5 kmol of ethane-propene fuel

  • tweety1234
  • · Replies 10 ·
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10

What is the Entropy of Vaporization for Water at 100 Degrees Celsius?

  • haha01hah
  • · Replies 1 ·
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1
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4

HELP How to find a method to determine the molar mass of a soluble acid X?

  • don1231915
  • · Replies 1 ·
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1

Cryptography question-how to solve a Ceaser Cipher

  • jaggtagg7
  • · Replies 3 ·
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3

Avogardro's number / Representative particles

  • tigerwoods99
  • · Replies 1 ·
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1

Calculations of how much water evaporated and what is left

  • apbuiii
  • · Replies 3 ·
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3

Aluminum Ion Detection with AAS: Can 0.00014% Al 3+ be Detected?

  • 14h54
  • · Replies 6 ·
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6

Chemical reactions according to equation

  • omni
  • · Replies 12 ·
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12

37.8g of water to give a freezing point of -.15 degrees C

  • trixie23
  • · Replies 3 ·
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3

Determination of Caffeine in Moutain Dew

  • MitsuShai
  • · Replies 6 ·
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6

: chemistry qs: write the equillibrim constant for the reverse reaction

  • crosbykins
  • · Replies 9 ·
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9

Cell signaling: induction vs constitutive signaling

  • SAT2400
  • · Replies 1 ·
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1

Is Gyrochronology a Type of Photometric Measurement?

  • sheepcountme
  • · Replies 1 ·
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1

Assume that a microwave oven operates at a frequency of 1.00 * 10^11

  • tica86
  • · Replies 4 ·
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4

How Have Liver and Kidney Sizes Evolved Across Different Vertebrates?

  • IheartTiktaal
  • · Replies 3 ·
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3

Understanding Energy Transitions in Electromagnetic Radiation: UV vs Infrared

  • chug.-.chug
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2
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6

Why does chlorine's noble gas configuration use Ne instead of Ar?

  • tica86
  • · Replies 4 ·
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4

Spectrophotometry: Iron in Vitamin tablets and Absorbance

  • MitsuShai
  • · Replies 9 ·
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9

Calculating pH and [H3O+] after dilution

  • Bohrok
  • · Replies 1 ·
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1

Nuclear Chemistry (determing masses from radioactive decay)

  • Quickman08
  • · Replies 1 ·
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1

Enthalpy of System: Dissolving NaCl in Water

  • wintermute++
  • · Replies 1 ·
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1

Enthalpy of reaction between magnesium and water in ice calorimeter

  • hunter457
  • · Replies 1 ·
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1

Proving Finite-Dimensional Linear Transformations in Vector Spaces

  • popitar
  • · Replies 1 ·
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1

Calculating pH of a Buffer Solution with Added Sodium Hydroxide

  • moephysics
  • · Replies 1 ·
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1

Formation of Substitution Product from 1-Bromo-2,6-Dimethylcyclohexane

  • chiyakotiten
  • · Replies 3 ·
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3

Chemistry solubility and precipitate

  • temari
  • · Replies 1 ·
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1

Writing Formulas for Ionic Compounds

  • tigerwoods99
  • · Replies 6 ·
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6

Calculating Molarity of FeSCN with Given Moles and Known Reactants

  • Prone17
  • · Replies 3 ·
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3

Possible Dipole Transitions from 5p to 4s in Potassium

  • Max Eilerson
  • · Replies 1 ·
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1

Which Anion Precipitates First in a Pb(NO3)2 Solution?

  • n.a.s.h
  • · Replies 1 ·
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1

Partial pressure and decomposition percent for NOCl at 225°C

  • YoChem
  • · Replies 11 ·
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11

Stoichiometry of Precipitation Reactions

  • k-rod AP 2010
  • · Replies 6 ·
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6

Nucleophilicity and basicity relationship

  • Puchinita5
  • · Replies 2 ·
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2

Why there isn't a work term in entropy balance equation?

  • alpyurtsever
  • · Replies 1 ·
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1

Finding moles of KHP and molarity of NaOH from titration data

  • Prone17
  • · Replies 6 ·
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6

Phosopholipids in Salty solutions

  • Krazer101
  • · Replies 1 ·
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1

Finding the products to a chemical equation when only given reactants

  • NU'gineer
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1
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1
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2

What is the solubility of PbCl2 in a 0.15M HCl solution?

  • NOP90
  • · Replies 1 ·
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1

What Steps Are Needed for Determining Molar Mass by Titration?

  • adhiluhur
  • · Replies 1 ·
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1

Organic Chemistry: Sn1/E1/Sn2/E2/Alchol/Ether Transformations

  • uchicago2012
  • · Replies 3 ·
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3

Help with half reactions

  • fasterthanwoo
  • · Replies 4 ·
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4

Chemistry, Equilibrium Constant Question

  • jaguar7
  • · Replies 1 ·
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1

Calculating H3O+ Concentration Using Buffer Solution

  • Hockeystar
  • · Replies 4 ·
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4

What does it mean for an etch product to be volatile or non-volatile?

  • readaynrand
  • · Replies 2 ·
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2

Concentration of Ca 2+ and Mg 2+ from EDTA titration?

  • MitsuShai
  • · Replies 2 ·
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2

Calorimetry Lab: Find Heat Absorbed by Water

  • P-Illiterate
  • · Replies 1 ·
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1

Finding ΔH and ΔS for CaCO3 decomposition from standard data

  • jpd5184
  • · Replies 3 ·
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3

Finding calcium concentration in milk using EDTA titration

  • kkln1212
  • · Replies 2 ·
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2

Astronomy - speed of debris of supernova inner ring

  • accountkiller
  • · Replies 1 ·
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1

Why does a carbon atom in a triple bond have sp hybridization?

  • tigerwoods99
  • · Replies 2 ·
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2

How Much Propylmagnesium Bromide is Needed for This Grignard Reaction?

  • ampersand15
  • · Replies 1 ·
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1

Exponential growth of aphids in 92 days

  • xpsellia
  • · Replies 1 ·
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1
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2

Newtons Law of Cooling applied to hot Neon and Hydrogen gas

  • Point Conception
  • · Replies 6 ·
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6

Phosphoric acid mixture titration

  • geminigirl15
  • · Replies 6 ·
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6

Will acetyl chloride react with the amino or aromatic part of aniline?

  • thereddevils
  • · Replies 5 ·
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5
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2

Heat of reaction in constant pressure calorimeter (Chemistry)

  • mwamba
  • · Replies 1 ·
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1

A sample consisting of potassium chlorate and an inert material

  • priscilla98
  • · Replies 4 ·
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4

How Does Avogadro's Number Impact Molar Mass Calculations?

  • mystmyst
  • · Replies 1 ·
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1

Is concentrated H2SO4 a catalyst in benzene nitration?

  • cyt91
  • · Replies 5 ·
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5

Molar mass of a gas at 100°C and 26.6 kPa

  • kro041193
  • · Replies 9 ·
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9

Why is AsH3 trigonal planar and OF2 linear in VSEPR theory?

  • kasse
  • · Replies 9 ·
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9

Why does neutralization of solid NaOH with HCl produce more heat?

  • elasticities
  • · Replies 6 ·
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6

Finding mass of SO2 gas from pressure, volume and temperature

  • kro041193
  • · Replies 8 ·
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8

Al3+ Concentration at pH 7 from AlCl3 Addition to Distilled Water

  • deserthaze06
  • · Replies 1 ·
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1
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10

Is Iron (III) Carbonate Really Insoluble?

  • Sentience
  • · Replies 1 ·
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1

Calculation of KCl and KI from Potentiometric Halide Titration with Ag+

  • MitsuShai
  • · Replies 2 ·
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2

Why does chlorine have a higher electron affinity than fluorine?

  • The legend
  • · Replies 5 ·
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5

Which Statistical Test to Use for Ecology Lab Report on Bird Diversity?

  • fatima_a
  • · Replies 2 ·
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2