Chemistry Questions and Answers

  • Comparing and constrasting bonds?
  • Comparing Bases?
  • Comparision between small scale synthesise in the lab and large scale synthesise in idustry.?
  • Complate the reactionSN+2Cl??pb+2HCl??in cold and warm water?
  • Complete and balance the equation for combustion. C6H12O6+O2==>?+H2O?
  • Complete and balance the following chemical equations H3PO4+CaCO3?, K2SO4(aq)+Pb(NO3)2(aq)?, K3PO4+CaBr2(aq)?
  • Complete and balance the following nuclear reaction: 235/92 U + 1/0 n ---> 90/38 Sr + ? + 3 1/0 n?
  • Complete and balance these equations for combustion reactions: 1. C4H10O+O2==>?+H2O 2. C4H10+O2==>?+H2O?
  • Complete ionization of a calcium hydroxide molecule yields:?
  • Complete the balanced equation?
  • Complete this sentence: Atoms absorb visible and ultraviolet light?
  • Complex equlibrium (ICE charts)?
  • Complex ions?
  • COmplex ions?
  • Complicated Chemistry Problem- Pressure?
  • Composition of solids?
  • Compound hydration?
  • Compound's molecular formula?
  • Compressing gas?
  • Compute the mass in megagrams of 9.050(10^30) molecules of BrF3.?
  • Compute the number of sulfate ions in 9.000x10^7 lbs of rhenium sulfate.?
  • Compute the standard free energy change for the following reaction.?
  • Compute the standard free energy change for the following reaction.?
  • Conc nylon salt if heated in inert atmosphere of nitrogen at 553k will form?
  • CONCENTRATED solutions?
  • Concentrated sulphuric acid?
  • Concentration - affect on Enzymes?
  • Concentration (spectometry)?
  • Concentration and pKa of weak acid solution?
  • Concentration at equilibrium problem?
  • Concentration of a diluted solution?
  • Concentration of acetic acid in vinegar (titration)?
  • Concentration of free metal in equation?
  • Concentration of free nickel?
  • Concentration of Ions?
  • Concentration of Metal?
  • Concentration of solution...?
  • Concentration of water in air?
  • Concentration problem?
  • Concentration problem??
  • Concentration problems...need help?
  • COncentration!!! omfg...i need help...can't solve problem...?
  • Concentration?
  • Concentration?
  • Concentration?
  • Concentration-chemistry, help needed!?
  • Concentrations and percentages. Please help.?
  • Concept of free enegy in chemistry?
  • Conditions for esterification of an oxirane using COOH?
  • Conducting zone.?
  • Conductivity and pH issues?
  • Conductivity is a colligative property?
  • Conductivity Molarity question?
  • Conductivity? How do I tell? Please help!?
  • Conformational isomerism?
  • Confused about lab results: combustion of ethyne (full test tube/half full test tube/1 cm full test tube)?
  • Confused about lab results: combustion of ethyne (full test tube/half full test tube/1 cm full test tube)?
  • Confused.?
  • Confusing mole question?
  • Conjecture a model for the number of carbon 14 atoms that haven't decayed from an initial number?
  • Consider a chemical reaction between compounds A and B that is first Order in A and first order in B.?
  • Consider a galvanic cell.?
  • Consider a mixture of 75 g water at room temp. 23. degrees C and 25 g water at 95 degrees C. Calculate the?
  • Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 70. cm3. If t
  • Consider an unknown with the molecular formula C4H6. Draw 6 of the 9 possible structures with this formula?
  • Consider the following reaction between nitrous acid and ammonia: HNO2(aq)+NH3(aq)/=\NH4NO2(aq)?
  • Consider the following reaction:?
  • Consider the following reaction?
  • Consider the following standard reduction potentials,?
  • Consider the reaction below.?
  • Consider the reaction: 2Al (s) + 3 Br (g) ---> 2 AlBr3 (s)?
  • Consider the Reaction: 2Al + 3S -> Al2S3. The oxidation numbers of Al and S in the product are, respectively
  • Consider the reversible reaction at equilibrium 392 C. 2A+B=C?
  • Consider this reaction: C8H18 + O2 -> CO2 + H2O?
  • Consider three 1.0 L flasks at 25掳 C and 725 torr containing the gases CH4(flaskA), CO2(flaskB),& C2H6(flaskC)
  • Constant Pressure?
  • Contact Lense strength compared to glass lense strength?
  • Contrast chemical energy and mechanical energy?
  • Contrast the structure of table salt and sugar?
  • Conversion from mol fraction to weight %?
  • Conversion of an ester to an amide?
  • Conversion?
  • Conversion?
  • Convert 55.125 ib/in^ to torr?
  • Convert L of solution to grams, using Density.?
  • Convert wavelength to frequency?
  • Converting CO2 into sugar?
  • Converting Cobalt(II) Chloride to Cobalt(II) Nitrate?
  • Converting grams into oz?
  • Converting mg to ml?
  • Converting Mole fraction to Mass fraction?
  • Converting moles into grams?
  • Converting?... yes, it's a chemistry question. help?
  • Cool on Column Injection For GC,?
  • Coordination Chemistry question concerning d orbitals.?
  • Coordination complex?
  • Coordination compound help?
  • Copper (II) Nitrate?
  • Copper (II) sulfate & water; endothermic/exothermic reaction?
  • Copper and its properties?
  • Copper chemistry question?
  • Copper metal and aluminum sulfite are produced when aluminum metal is reacted with copper(II) sulfite...?
  • Copper Question?
  • Copper sulafe pentahydrate is heated to drive off the water of hydration?
  • Copper sulfate said to be "in excess".?
  • Copper Sulphate + ammonium hydroxide?
  • Copper sulphate?
  • Cortisone and cortisol what is the difference , plz ?
  • Cost of radium in grams,kg,oz,or anything. just answer.?
  • Could anyone give me a site that allows one to create molecular structures?
  • Could i get some chemistry help please?
  • Could i get some chemistry help?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with a Chemistry question?
  • Could somebody help me with some Chemistry questions?
  • Could somebody help me with this Chemistry question?
  • Could somebody help me with this Chemistry question?
  • Could somebody help me with this Chemistry question?
  • Could somebody help me with this Chemistry Question?
  • Could someone explain how i do this?.. how many grams of copper metal will be produced if 15.8 g of aluminum..
  • Could someone help me with a Chemistry question?
  • Could someone please help with these chemistry reactions?
  • Could someone write a two paragraph summary of this website?
  • Could we create gills?
  • Could you explain me an experiment which can expain molar mass and a volatle liquid?
  • Could you explain to me how hetrogeneous catalysts work?
  • Could you explain why different types of vehicle engines produce different exhaust emissions?
  • Could you please clear my doubts about benzene reactions?
  • Could you please help me with these two simple things?
  • Could you quickly check this homework about benzene reactions?
  • Could you tell me how to do this Chemistry problem? Total/Partial Pressures?
  • Could you tell me the chemicals in these liquids?
  • Couple of easy one's?
  • Couple questions?
  • Covalent Bond?
  • Covalent bonds anyone?
  • Creating Ethers - An Organic Chemistry Question?
  • Creating water From the atoms hydrogen and oxygen, being fused from them in the air . Should be a priority.?
  • Crossword Help on Stoichiometry?
  • Crystal Field model?
  • Crystalized solution?
  • Crystalline salts containing a definite amount of water of crystallization (hydration) are called ________?
  • Crystalline salts containing a definite amount of water of crystallization (hydration) are called ________?
  • Crystals of common salt NaCl belong to the __ system.They may form from their solutions by the process of ___?
  • Crystals of common salt NaCL belong to the____system.They may form from their solutions by the process of ____
  • Crytalline salts without its water of hydration is called ________?
  • CS_2 (g) + 3O_2(g) -----> CO_2(g) + 2SO_2(g)?
  • Cu+AgNO3----->Ag+CuNO3?
  • Current (Amperes)?
  • Current Issues that relate to chemistry..any ideas?
  • CuSO4 to CuSO4.5H2O?
  • Cut the label off at least one household product with chemicals or ingredients that you can write formulas for
  • Cyaninde Question??
  • Cycloalkenes hydrogenation?
  • Cyclohexene?
  • Cynide help?
  • Daltons law of partial pressure?
  • Dangerous acid?
  • Darn easy chemistry question for pros come get ur 10 points?
  • Data Synthesis Chart for the Diazotization/coupling reaction to form Methyl Orange?
  • De Broglie Wavelength?
  • Dear chemists..please help me with this.?
  • Decay problem?
  • Decomposition of Uranium 235?
  • Decomposition reaction?
  • Decribe three signs that a chemical reaction has taken place and ex. of each sign?
  • Define "Physical Analysis" & "Chemical Analysis"?
  • Define a base in terms in ionic theory?
  • Define heat of vaporization. Use this property to explain how sweat keeps us cool.?
  • Define heat of vaporization. Does water have a high or low heat of vaporization? Use this property to explain?
  • Define spontaneous and non spontaneous process.?
  • Define the term physical property and describe the physical properties of salt.?
  • Define what is meant by a "limiting factor." Give examples.?
  • Definition of a salt?
  • Definitions of basicity, insolubility, non-volatility and stability?
  • Deflection of alpha particals decreased by changing the K.E.of alpha particals?
  • Degree of Neutralization?
  • Dehydration of 1-methyl-1-cyclohexanol?
  • Dehydration of alcohols???
  • Delta H question (change in heat)?
  • Density determination?
  • Density of irregularly shaped metal?
  • Density of liquid water vs. solid water?
  • Deoderants smell?
  • Describe 2 ways to change the speed at which particles move in liquid?
  • Describe at least three things involved in the preparation and standardization of the NaOH titrants which were
  • Describe how chloropropane can be made from propane. reagents .....and ..../ conditions....
  • Describe how covalent compounds are named?
  • Describe how ionic, covalent, and metallic bonds differ?
  • Describe how red cabbage extract can be used as a quantitative method for determining solution pH?
  • Describe how the Periodic Table is arranged?
  • Describe the difference between a ball-and-stick model and a space filling model of a compound?
  • Describe the effect of a catalyst on the energy of the transition state of a reaction?
  • Describe the main electrochemical techniques??


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