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 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?
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/ pKb chem quesion?
Kc equilibrim QUESTION?
Kc, equilibrium question:.thx =)?
Kekule and Skeletal Structures??
Kelvin & celcius question?
Kinetic Molecular Theory?
Kinetics question- activation energy?
KIO3 Reaction with Na2S, NH4Cl, and AgNO3. Please Help!?
Know any major uses of Magnesium Compounds?
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?
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'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?
Lewis diagrams for covalent bonds?
Lewis dot diagram for NH3?
Lewis Dot structure?
Lewis Structures and Stable Molecules?
Lewis Theory and electrons?
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 Reagent Help?
Line/cell notation for redox?
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?