Biology and Chemistry Homework Help Forum

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What Are Isotopes and How Many Can an Element Have?
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How Does Atomic Mass Number Determine Both Nucleus Composition and Molar Mass?
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How can I find the amount of heat released in an enthalpy reaction?
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Solving Chemistry Problem II: 0.005 M Carbonate Solution
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Help with Chemistry Homework: Dissociation, Equations & Concentrations
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Solving 0.005M Na2CO3 Chemistry Problem
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What Are the Oxidation Numbers in Zn(NO3)2?
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How Does First-Order Kinetics Affect Reactant Concentration Over Time?
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Optimized Developing Mn+2 - Best Reagent Explained
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[Chem] Determining Masses from Concentration
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How do you form covalent bonds between C and C?
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Re: Microbiology Hwk Problem, Calculating generation time
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Biology Can anyone help me with ny of these 4 genetics questions?
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Solving Punnet Squares for Dark Hair & Brown Eyes
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Chemistry Materials Question - Weight % Fraction
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How Accurate Is Gravimetric Analysis in Determining Mineral Composition?
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Calculating Square Meters of Gold Leaf from 28.35g of Gold
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Struggling with Chemistry Lab Equations?
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Isothermal titration calorimetry
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How Do You Calculate the Fraction of Ethylene in a Copolymer?
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Tap vs Bottled Water; Guidance Appreciated
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How Do You Calculate the Mass Percent of Iron in an Ore Using Redox Titration?
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Isothermal and reversible expansion work problem (Physical Chem)
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What Are the Oxidation Products of Butan-2-ol?
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Lewis Reaction Questions (Organic Chemistry)
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Calculating Charge Flows in Chemical Cells: How Much Zinc Reacts per Second?
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Organic Chemistry - Nomenclature Structures
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Absorbance and Concentration Question
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Light Up a Little Light Bulb with Batteries and Wires
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Calculating Collisions b/w N2 & O2 Molecules in Air
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Naming Benzene Compounds: OH and H Attached to Same Carbon Atom
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How Do You Balance Complex Redox Reactions?
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How Do I Determine Oxidation Numbers for Chemistry Exams?
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Can I get my intro Bio problems checked?
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Human Biology Help-Apologies for Vagueness
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Cell Biology Q&A - Fucus, Holdfasts, Air Bladders & Bioluminescence
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Finding the precipitate of the reaction of KBr with AgNO3
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Acid or Base and Chemistry of Taste
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Recrystallization of benzoic acid
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What Is the Net Ionic Equation for HBr(aq) and NH₃(aq)?
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Calculate volume of object that is submerged
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Calculate Theoretical Yield of Sn(C2H5)4 from SnCl4 & Al(C2H5)3
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What's it called? The tip of the water? Pic included
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Solve Stoichiometry HW: Molar Mass & Molecular Formula
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Should the Town Buy NaCl or CaCl2 for De-icing?”
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Calculating Solution Composition: Isopropanol in Water
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Preparing Aqueous Solutions for Chemistry Students
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Calculating Mass of CO Inhaled by a Bartender
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Understanding Kepler's Third Law: Calculating Aphelion Distance of a Comet
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Features Shared by Living Organisms
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Chemistry Calculating Moles of O Atoms in Mn(NO3)2
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Chemistry Pre-lab question about density
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Calculating Atomic Weight: Solving a Chemistry Problem
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The enzyme reverse transciptase is critical for?
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IUPAC nomenclature assistance request
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How can I apply Wien's and Stefan's laws to solve these astronomy questions?
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Struggling with Bioelectricity Homework?
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Biogenesis states that life can only come from life
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Calculate Weight Lost by CuSO4 5H2O at 120°C for 12hrs
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How Did the Asteroid Impact Cause Dinosaur Extinction?
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What Are the Partial Pressures and Total Pressure in a Reaction Mixture?
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Solve "What Equation to Use" for Homework Problem
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Biology Q: Explaining C/G Nucleotide Proportions in Genes & Non-Coding Regions
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Prove that (K)^(-1) = (C degree)^(-1)
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Solving Problems Involving Ternary Compounds and Elements
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Gram negative bacteria and blood agar hemolysis
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Calculate Heat Transfer for Cooling Saturated Water in a Closed Tank
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Chemistry: Converting density to molar mass given other values.
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Thermodynamics chemical reaction problem
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What is the Molar Mass of an Enzyme with a Given Osmotic Pressure?
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What is the percent purity of the calcium hydroxide in this titration problem?
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Biology Mendelian Genetics: Probability of Inheriting Codominant Traits
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S.I. Reportable Form: Properly Expressing Numbers in Scientific Notation
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Finding the iodide ion concentration
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AP Chem; Calculating energy released
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Chemistry Name the given Phenol organic molecule
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Help! Understanding Ripple Formation in a Ripple Tank
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Another successive dilution problem
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What is the [H1+] in the Mixed HCl Solution?
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Degree of Unsaturation: 3+ D.U. Indicators
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What is the significance of a 1:1 ratio in forming compounds?
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Calculating Concentration of MnO4 Solution Using Spectrophotometry
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What is the concentration of Br1- ions in a solution of 0.0330% AlBr3?
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Why do pipes of different size and length make different sounds?
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Decided to make my chemistry project on spectroscopy
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How Do You Calculate Standard Enthalpy of Reaction Using Hess's Law?
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Help Why can't we see ultra-violet light?
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Miscellaneous Chemistry Problems from 2004 Australian NQE
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Biology/Chemistry: pH Level and Ionizable Groups
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Atomic Mass of Element X in XCl3 Stoichiometry Problem
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Organic Chemistry of Bruice 5th edition problem
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What Percentage of Random DNA Sequences Does BamH1 Recognize?
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Where Can I Find Chemistry Lab Report Samples?
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What is the Molecular Weight and Ionization Constant of Ascorbic Acid?
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Solving the Piston Problem: Calculating Time for No Molecules Left
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Why Doesn't Changing Reactant Concentration Affect the Equilibrium Constant?
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What are the different temperature points used in thermal methods of analysis?
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Why is oxalic acid called ethane-dioic acid
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Can someone check this for me please?
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Balancing Equations with Half-Reaction and Oxidation Number Methods
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