Chemistry Questions and Answers

  • Is there such thing as a chemical calculator?
  • Is there such thing as a loch ness monster?
  • Is this a good science project?
  • Is this already a net ionic equation?
  • Is this already a net ionic equation?
  • Is this equation correct?
  • Is this reaction (formation of water) favorable?
  • is this reaction exothermic or endormic?
  • Is this salt solution acidic, basic, or neutral and why? CH3CH2NH3NO2?
  • Is urea an electrolyte?
  • Is vapor from boiling salt water free of salt?
  • is vinegar a acidic or alkaline or neutral?
  • is Vitamin E polar or nonpolar??
  • Is Warm Water EVAPORATION significantly affected by RELATIVE HUMIDITY ?
  • is water a chemical ?
  • Is water a double covalent bond?
  • Is water living or dead?
  • Is water vapour a pure substance or a mixture?
  • ismoers for propane?
  • Isoelectric pH?
  • Isomer Identification?
  • Isomerase enzymes/glycolysis?
  • Isomers for C510?
  • Isomers of C6H13OH?
  • Isomers...?
  • Isooctane has the molecular formula C8H18. What is the empirical formula?
  • isotope or isotone?
  • Isotope problem?
  • isotopes and atomic mass?
  • It conducts electricity and is not transparent or translucent. At room temp. the substance can be described as
  • It is a highly poisonous drug consisting of colorless crystals. Its formula is C21H22N2O2.?
  • It is an explosive mixture used chieftly in blasting, containing nitroglycerin, kieselgum and wood pulp?
  • It is desired to determine the blood volume of a live mouse.?
  • it is necesarry that compounds be colored to be separated by chromatography?
  • It salt a...?
  • Its an instrument consisting usually of a glass flask, with a thermometer?
  • iupac name of paraffin wax?
  • Ive had a sore throat for a month now!?
  • IVE tried FOUr times + still cant get this right: Which of the following are polar or nonpolar??
  • Just as Ag2+ equals AgNO3, what does Ca2+ equal?
  • Just as Ag2+ equals AgNO3, what does Cu2+ equal?
  • Just as Ag2+ equals AgNO3, what does Fe3+ equal?
  • just few chemistry questions help??!!?
  • Just need answers and explanations of how it's done. Chemistry. %w/w , EDTA, molarity, %w/w MN?
  • K value - 10 points ofr the first correct procedure!?
  • katherometer is used as detector in Gas chromatography.Why.?
  • Kb for base?
  • Kb of the base?
  • Kc and Kp equations.?
  • Kcal and kilojoules?
  • kind of water used for industrial purposes and why?
  • kind of water used for industrial, household and chemical analysis purposes and why?
  • Kinetic Energy Question?
  • Kinetic Energy Question?
  • Kinetic Reaction questions.does anyone know how to do these?
  • kinetic-molecular thoery?
  • know any chem magics??
  • Know anything about Fluro Antimonic Acid? One of the strongest. 10^18 x stronger than sulfuric?
  • Know chemistry relating to acids/bases and reactions?
  • Know Chemistry? Click here for some points!?
  • know of any good online energy calculators?
  • Knowing the atomic number and the atomic mass number you can calculate what?
  • Kp = 0.0198 at 721 K for the reaction. The partial pressure of HI is ___atm.? (See below)?
  • Kp for the following reaction?
  • kp=0.199 for the following reaction at 154celsius. a(g)+b(s)=2c(g). What is the correct value of k_c?
  • Ksp And Solubility?
  • la ronda felt warm air against her cheeks when she entered her apartment how was the air heated?
  • lab CONDITIONS?
  • lab question on collecting gas and finding it's mmass?
  • Lactose Question?
  • Lactose question??
  • Last one please help.?
  • Lattice energy--Enthalpy of Hydration?
  • Law of Thermodynamics.?
  • Le Chatelier & Equilibrium?
  • Le Chatelier's Principle?
  • Le Chatlier’s Principle Question. Check my Work!?
  • Lead (II) ethanoate?
  • Lead (II) ethanoate?
  • Lead (II) ethanoate?
  • lead (II) iodate empirical formula?
  • Lead ethanoate?
  • Lead Iodide has a Ksp value of 1.08 x 10^-7 at 20°C. Calculate its solubility at 20°C.?
  • learning Chem. for the first time?
  • left handeds?
  • lemon juice, solution or suspension?
  • lets just say Particle (x) doesnt have any gravitational properties, not affected by gravity in any way. could
  • Lets talk chemistry...?
  • Lewis Acid, Bronsted Acid, or Both? HELP PLEASE.?
  • lewis dot diagram for NF3?
  • Lewis Dot Structure Question?
  • lewis dot structures?
  • Lewis structure?
  • Lightest element?
  • Limiting and Excess Reagents?
  • LIMITING REACTANT and HEAT PROBLEM!!?
  • Limiting Reactant Question?
  • limiting reactants, and excess reagents--chemistry?
  • limiting reactants?
  • Limiting Reaction Problem?
  • Limiting reagent. How can I be used in real life?
  • limiting reagents?
  • limiting stoichiometry (chemistry)?
  • Lipids? Fats? Triglycerides?
  • Liquid B is polar covalent and liquid E is a nonpolar solvent. What is expected?
  • Liquid mercury maze game-spillage about 20 years ago mine leaked & I played with it in hands longterm effect?
  • Liquid Nitrogen in Nightclubs?
  • Liquid propane?
  • Liquid, Gas, and Volume?
  • Liquify Super glue?
  • list 4 of the factors that affect the rate of a chemical reaction?
  • list 5 desirable properties of a fuel?
  • list five natural sources of calcium ions that should be included in our diet?
  • List of Chemical Antidotes?
  • list of element according to the highest electro negativity?
  • list the earth names for the 30 alien elements in order of atomic number?
  • List these liquids in order from least density to greatest density:milk, water,salt water, oil, egg yolks?
  • list two liquid solutions that do not contain water.?
  • locate the sigma & pi bonds in the folowwing molecule...?
  • locate the sigma and the pi bonds in the following molecule...?
  • location of an electron in the electron cloud?
  • log (x+21) + log x = 2?
  • London Forces?
  • Lone pairs?
  • lone pairsss?
  • Long Question?
  • look at this question ( molecular formula)?
  • Looking for LD50s?
  • Looking for website / with 'recipes' for chemical solutions.eg. How to make a IM Copper Sulphate solution
  • m desperate! in the following equation which substance has been reduced and which has been oxidized?
  • magic trick using chemistry?
  • magnesium was burned in an oxydizing flame it produces a very bright light and white substance?
  • making nitrogen?
  • Maltose question?
  • mass and force?
  • Mass from Boiling Points and Other Variables? Help!!?
  • Mass of Oxygen in Grams?
  • Mass of weighing boat/glass beads?
  • mass spectral interpretation of cyclohexene including fragments?
  • Matching Chemistry HW!!!!?
  • material or substance?
  • maximum useful work (kJ) that can be performed on the surroundings from the production of 8.4 moles of Zn?
  • Maxwell Boltzmann distribution curve- chemistry a level, effect of temperature?
  • maybe someone will help me this time?
  • measure the weight of a balloon filled with helium?
  • Measuring free chlorine in water?
  • mechanism for haloform oxidation of 4'-methoxyacetophenone to 4-methoxybenzoic acid?
  • mechanism for the reaction of t-butyl benzene with nitronium fluoborate to yield p-nitro-t-butylbenzene?
  • Melting ice with salt- what is the difference between Calcium, potassium and magnesium chlorides?
  • Melting Point of Rubber Tires?
  • melting point?
  • Melting Point?
  • Melting Point?
  • membrane tecnnology for water/pyridine solutions?
  • Mendius reduction?
  • Menthol shelf life and does menthol experiance pH fluctuations?
  • Merck Index Online?
  • Mercury toxicity?
  • mercury = POISON..when was this discovered?
  • Meso Compound?
  • metallic metals?!?!?
  • Methane is Not what?
  • Methane, the principal component of natural gas, is used for heating and cooking.?
  • Methanol, CH3OH, can be produced by the following reaction. Chemistry question (read on)?
  • methods used to break water into its elements?
  • Methyl orange?
  • MgO and Nacl melting points?
  • Microbial Fuel Cells?
  • Microbiology or organic Chemistry?
  • Micro-Mixture Separation---Help for a parent tying to help her kid!?
  • microorganisms require albumins for life and reproduction, explain why heat is used to preserve food?
  • Microscale Preparation of Cyclohexene?
  • minium K temperature the system must be heated to to make the reaction product favored? IM STUMPED!?
  • Miscible & souluble questions?
  • Mixing I with HNO3, Fe(NO3)3 and toluene [C7H8]. What's the resulting equation?
  • mixing solutions?
  • mixture of 2+ elements, one of which is a metal?
  • mixtures and compounds?
  • M-M calculation?
  • Mobile electrons?
  • modern periodic table different from mendeleev's?
  • Modifying Chemical Equations(Easy but my calculator isnt giving me the right answer.?
  • Mohr's salt calculations/experiment?
  • molal freezing point depression constant for BHT?
  • Molality calculation?
  • Molality/Percent by Mass/Mole Fraction Problem?
  • Molar mass and % composition of SrCO3. strontium carbonate. either of these will help.?
  • Molar mass?
  • molar solubility?
  • Molar Solubility?
  • Molar Solubility?
  • Molar Volume and Gas Density Question?
  • Molarity and Molality Question?
  • molarity help!?
  • molarity in chemistry?
  • Molarity of Copper(II) Chloride (CuCl2)?
  • Molarity problem?
  • Molarity Problem?
  • Molarity question?
  • molarity questions.HELP!?!?


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