Chemistry Questions and Answers

  • Is oxygen gas an element or a molecule?
  • Is Oxygen inflammable does it only accelerate combustion?
  • Is oxygen, by itself, combustible?
  • Is PbCl2 or PbCl4 a better reducing agent?
  • Is pH of 8 more or less acid than on with a ph of 4?
  • Is phosphate buffer and phosphate buffer saline the same reagent?
  • Is piece of zinc and copper in a lemon considered a voltaic cell?
  • Is plasma the fourth state of matter?
  • Is potassium used to make fertilizer?
  • Is pressure gage used for steam is different from those to be used in oil or water?
  • Is propylamine (chemical formula CH3CH2CH2NH2) polar or nonpolar?
  • Is Pyridine an aromatic compound ?Please explain?
  • Is radium sulphate soluble?
  • Is saccharin flammable?
  • Is salt a drug?
  • Is saturate?
  • Is shaving cream a soild, liquid, or gas?
  • Is silver chromate covalent or what?
  • Is silver magnetic?
  • Is so2 gas lighter than air?
  • Is soda the same thing as baking soda?
  • Is sodium a renewable resource also where can I buy it and how mush does it cost?
  • Is sodium benzoate a base or an acid?
  • Is sodium fluoride ionic, covalent, or polar covalent?
  • Is Sodium thiosulfate polar?
  • Is solubility the same as dissolving?
  • Is steel the same as metal????????????????????????????
  • Is sugar crystallization a chemical or physical reaction?
  • Is Sugar part of the periodic table?
  • Is swimming in a pool with soda just added dangerous?
  • Is tap water a weak electrolyte?
  • Is Tellurium a non-metallic?
  • Is tellurium (Te), the element in Group 16, the least reactive?
  • Is the atmospheric pressure of the ocean the same as the atmospheric pressure on top a a mountain?
  • Is the build-up in a dirty toliet the calcium from you urine?
  • Is the carboxyl group polar because electrons are assymetrically distributed on the electronegative oxygens?
  • Is the change in entropy of Universe zero at equilibrium? Somebody help please, im not sure about that.?
  • Is the change in entropy positive or negative?
  • Is the Change of entropy of a reaction is always positive?
  • Is the distribution in chromatids during meosis is specific always or random?
  • Is the electrolysis of water a exo or endothermic reaction?
  • Is the following reaction a redox reaction?
  • Is the functional formula of MTBE..?
  • Is the melting of an ice cube a physical or chemical change? Explain ( use ionic and covalent in answer)?
  • Is the molecule of an isopropyl alcohol dipole of nondipole?
  • Is the nucleus of an atom electrically neutral? Please explain.?
  • Is the pH of a water solution with proton concentration of 0.001 M = 3?
  • Is the rate of Electrolysis affected by a water's conductiveness?
  • Is the reaction at equilibrium B) if not wich way will it proceed to reach equilibrium?
  • Is the reaction which converts propenoic acid to lactic acid a hydrolysis reaction?
  • Is the relationship between Pressure and Temperature direct or indirect?
  • Is the role of a catalyst to speed up a reaction?
  • Is the strength of an aqueous electrolyte determined by the extent to which the solute particles ionize?
  • Is the substance inside a glow stick poisoness?
  • Is the vaporization of water an endothermic process?
  • Is the water in our bodies present as molecules of H2O, or as H2 and O in combination with other elements?
  • Is their is any formula for finding the isomers for an organic compound ?
  • Is there a better description for beaverslurry than beaverslurry?
  • Is there a catalyst that speeds the combustion of hydrocarbon fuels?
  • Is there a cheap alternative to 3M Fluorinert FC-77?
  • Is there a chemical or other substance that smells like fried potato's? Please don't say fried potato's.
  • Is there a chemical that just burns on the spot?
  • Is there a common household material that can react to light in the way that the chemicals in film do?
  • IS there a difference between a flask an a beaker?
  • Is there a difference in corrosiveness of Calcium Chloride vs Magnesium Chloride?
  • Is there a difference in how potassium and sodium dichromate react when oxidizing alcohols?
  • Is there a gas ,that when inhaled , makes your voice go low in tone?
  • Is there a liquid, which remains liquid between 150 to 280 deg. centigrade.?
  • Is there a material that is soft to the skin, heat, dirt and bacteria resistant that is also maleable as cloth
  • Is there a periodic trend in ka values?
  • Is there a relatively inexpensive way to test crockery to determine if the glaze contains lead?
  • Is there a safe way of making smoke bombs?
  • Is there a safe way to extract gold from mercury?
  • Is there a simple way to change from micro to milli to base unit?
  • Is there a solution that can be applied to any object in a specified shape that will retain its shape?
  • Is there a substance that can dissolve diamond? Answer with authentic reference.?
  • Is there a total alkalinity test that measures both carbonate and bicarbonate alkalinity?
  • Is there a way I can order premade glow stick chemicals?
  • Is there a way to find how many diff stereoisomers you have, say for example [Ni(NH3)2Cl2(en)] and?
  • Is there a way to reduce the molecular gravity of h20?
  • Is there an A-level experiment I could do to determine the percentage by mass of an ion in a compound ?
  • Is there an easy test you can perform to decide whether you have ethyl alcohol or methyl alcohol?
  • Is there an easy way to memorize first 20 elements of Periodic Table of the Elements?
  • Is there any chemical company in uk , which produces good quality leather chemical?
  • Is there any chemical element/compound that can be used to neutralize Sulfenic Acid?
  • Is there any household ingredient, added to water to make ice that stays cold and in a frozen state longer?
  • Is there any material that increases its size when you put it in the water?
  • Is there any method to separate two kinds of powder,?
  • Is there any reaction for the commercial extraction of Ruthenium and osmium.?
  • Is there any scientific proof that if you keep silver and gold in the same box it affects the jewelry?
  • Is there any solvent which is not miscible with water but having density and boiling point higher than water?
  • Is there any store in Georgia where i could get pure N2O (nitrous oxide)?
  • Is there any tricks for memorizing organic chemistry?
  • Is there any way to make chemistry fun?
  • Is there any way to remember the key points in a chemistry detail ans?
  • Is there anything else I can use besides Bismuth Telluride for the peltier effect?
  • Is there anything special about the number 86?
  • Is there enough hydrochloric acid to neutralize all of the calcium hydroxide?
  • Is there proof of matter in earth's atmosphere?
  • Is there such a thing as an optimum enzyme concentration?
  • Is there such thing as Cobalt(I)? Or is there only Cobalt (II) and Cobalt (IV)?
  • Is there such thing as de-ionized solution?
  • Is this assumption likely to be correct?
  • IS THIS CORRECT molar heat?
  • Is this correct? and how to find Ka of 0.10 M of ammonium acetate?
  • Is this double or single replacement?
  • Is This Half Reaction Right?
  • Is this the right equation for Chemistry?
  • Is this true.?
  • Is this water safe? A water softener company tested the water for hardness, Ph, etc. but not for bacteria.?
  • Is tomato juice considered an acid or base indicator?
  • Is TRUE that there is Mercury in Teeth Filling?
  • Is urea organic and what is its formula?
  • Is water an element?
  • Is water water-proof?
  • Is writing with a pencil an example of adsorption or absorption?
  • Isomers and how they work.?
  • Isomers chem question?
  • Isotopes ?
  • Isotopes decay?
  • It's 86 degrees F outside what happens to the pressure and the molecules inside a basketball?
  • It's About factors that affects Soliability.. wish you could help me...?
  • It's aluminum flammable,have a machine shop and have to pay a fee for machining aluminum parts.?
  • It's name is derived from the greek neos meaning new. Which element on the periodic table is it?
  • IUPAC naming for functional groups?
  • I've been able to determine that experimentally alcohols are slightly acidic. Does anyone have any idea why?
  • Ive done a titration to find the amount of calcium in calcium supplements?
  • Jane invests $5000 in saving account.What interest will she earn for one year if the interest rate is 6.5%?
  • Just a simple question wht is the oxidation number of cr that is chromium (cr05)?
  • K this one is the same but different numbers can you do it?/?
  • K+OH- --> ________ + _________ help me?
  • K4Fe(CN)6 + Ce(NO3)4 + KOH = Ce(OH)3 + Fe(OH)3 + H2O + K2CO3 + KNO3 please balance?
  • Ka of a weak acid??
  • Ka problem?
  • Ka/ pKb chem quesion?
  • Kc equilibrim QUESTION?
  • Kc, equilibrium question:.thx =)?
  • Kekule and Skeletal Structures??
  • Kelvin & celcius question?
  • Kinetic Molecular Theory?
  • Kinetics question- activation energy?
  • Kinetics question?
  • KIO3 Reaction with Na2S, NH4Cl, and AgNO3. Please Help!?
  • Know any major uses of Magnesium Compounds?
  • Known chemists?
  • Kp & partial pressure question... PLEASE HELP!?
  • Krypton-81 Decay (per minute)?
  • Ksp / Solubility question?
  • Ksp solubility of ions in equilibrium??
  • Ksp/kw or ksp x kw?
  • Kw,the ionization of constant water, is equal to the expression [H3O+] + [OH-]. true or false?
  • Lab reports?
  • Label the oxidation numbers for...?
  • Large weather balloons?
  • Last chem question?
  • Last chemistry question!! help!?!?
  • Last chemistry question?
  • Last one Chemiluminescence ?
  • Last question sorry!!?
  • Law of Dulong and Petit?
  • Law of Dulong and Petit?
  • Le Chatelier?
  • Le Chatelier's Principal...?
  • Lead (II) Carbonate, impossible by titration?
  • Lead is the poorest metal conductor of electricity,then why is it used in lead acid accumulators?
  • Lead nitrate can be decomposed by heating. What is the percent yield of the decompostion reaction if?
  • Lend me your brain?
  • Lethal poisons?
  • Lewis diagrams for covalent bonds?
  • Lewis dot diagram for NH3?
  • Lewis Dot structure?
  • Lewis structure...?
  • Lewis structure?
  • Lewis Structures and Stable Molecules?
  • Lewis Theory and electrons?
  • Ligands?
  • Ligands? please urgent!?
  • Light and chemical carbon structures.?
  • Light scattered by colloidal particles in all directions is called?
  • Lighting a match is exothermic or endothermic?
  • Limiting reactant problem!?
  • Limiting reactant problem?
  • Limiting Reagant?
  • Limiting Reagent Help?
  • Limiting reagent?
  • Line/cell notation for redox?
  • Liquid Concentration?
  • Liquid nitrogen, which has a boiling point of 77K, is commonly used to cool substances to low temperatures...?
  • Liquid Nitrogen's opposite?
  • Liquid propane boils at -32 degree Celsius. What is the temperature according to the kelvin scale?
  • Liquids flow from higher_____ to lower_____,gases flow from higher ______ to lower______.?
  • List 3 examples of gases, 3 examples of solids and 3 examples of liquids.?
  • List 5 contributions of chemistry to other sciences...?
  • List 5 suitable physical methods to separate mixtures into constituents.?
  • List at least 4 things that may trigger reduction or oxidation in a substance.?
  • List four factos and explain how they affect the rate of solution of a solid in a liquid.?
  • List of gases in seawater?
  • List of most reactive elements?
  • List of tube additives? what are type of tests that can be done and what are the tube colors?
  • List some factors that may enhance the appeal of natural gas as domestic and industrial fuel?


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