Chemistry Questions and Answers

  • What substances can be used as coloring pigment to paint?
  • What temperature scale should be used if we wish to express Charles's Law as a simple direct proportionality?
  • What test can be used to diiferentiate chemically between butter and cooking oil ?
  • What the costs lf the nano solar cell ( carbon + silicon + crystal)?
  • What the hell is ELECTROLYSIS?
  • What the molar hydrogen concentration and molar hydroxide concentration of the pH=6?
  • What two chemicals do the CSI scientists add together to get the pink stain that indicates blood?
  • What type of compound is CH3CH2CH2Cl?
  • What type of energy change occurs when you bake a muffin in a oven?
  • What type of interparticle forces are present in solids of each of the follwing?
  • What type of metal are keys made out of?
  • What type of metal melts the quikest?
  • What types of metals and plastics do not corrode in the presence of anhydrous hydrogen fluoride liquid or gas?
  • What unit of temperature is used in gas law calculations?
  • What volume (in milliliters) of 0.180 M HCl will neutralize 10.0 g Al(OH)3?
  • What volume (mL) of 0.10 M K2Cr2O7 would be required to oxidize 60 mL of 0.10 M Na2SO3...?
  • What volume (mL) of a 0.20 M...?
  • What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?
  • What volume in liters of C12O gas at STP can be produced from 522cm cubed of chlorine gas at STP and 5.65g Hgo
  • What volume in liters of Cl2O gas at STP can be produced from 522 cm3 of chlorine gas at STP and...?
  • What volume of 0.265 M KOH will be neutralized completely by 34.56 mL of 0.183 M HNO3?
  • What volume of 0.265 M KOH will be neutralized completely by 34.56 mL of 0.183 M HNO3?
  • What volume of 0.300M AgNO3 will react exactly with 40ml of NaCl producing AgCl and NaNo3?
  • What volume of 0.479 M lithium hydroxide is required to neutralize 0.627g of oxalic acid, H2C2O4?
  • What volume of 0.479 M lithium hyride is required to neutralize 0.627 g of oxalic acid, H2C2O4?
  • What volume of a 1.5M KOH soltion is needed to provide 3.0 moles of KOH?
  • What volume of an 8.00 HCI solution is needed to prepare 1.00 L of a 0.500 M HCI solution?
  • What volume of carbon momoxide gas at STP is produced form 6.14g calcuim phoshate and 8.24g silicon dioxide..?
  • What volume of carbon monoxide gas at STP is produced from 6.14 g calcium phosphate and...?
  • What volume of hydrogen gas at STP is produced when 3.2 L of C6H6 (benzene) are produced at...?
  • What volume of the 10.0 M NaOH solution do you use?
  • What volume will each of the following occupy at STP?
  • What volume would 60.4 grams of NH3 occupy if the temperature is 27 dgrees celcius and the pressure is 670 tor
  • What volume would 60.4 grams of NH3 occupy if the temperature is 27°C and the pressure is 670 torr?
  • What volume(in mL) of a 1.05M stock solution of HCI should be used to prepare 4.00L of a 0.0920M HCl solution?
  • What volume, in liters, of 1.5 M HCI solution is needed to provide 6.0 mol HCI?
  • What was lavoisiers actual oxygen theory of combustion?
  • What was Rutherford's scattering experiment? why did he use alpha particles? what are alpha particles?
  • What was that theory...?
  • What was the first life on Earth and how did it form?
  • What was the original temp of a 2L sample of gas if it initially had the volume 5L at 27'C?
  • What will be the fate of common table salt(NaCl if we go on heating it?)?
  • What will happen if the atmosphere is made up of mainly oxygen?
  • What will happen to the cells as the concentrated salt solution reaches them?
  • What will happen to the COD value if HgSO4 is not present in the vial?
  • What will happen to this chemical mixtures?
  • What will happen?!?
  • What will happenif you put sodium borate in a glue-water mixture?
  • What will happenif you put sodium borate in a glue-water mixture?
  • What will happenif you put sodium borate in a glue-water mixture?
  • What will make a Very loud BOOM! dosent matter if its firey or not.?
  • What will this reaction yield?
  • What will you feel when you rub Na metal and H2O in your fingers? what producted is responsible for this?
  • What would a 150lb canister of chlorine gas do if opened in a built-up area?
  • What would an overall reaction order of zero mean?
  • What would be the complete chemical equation?
  • What would be the word equation for "2Na3PO4 + 3BaCl2 == 6NaCl + Ba3(PO4)2"?
  • What would happen if I mixed Orange juice with Clorox or Bleach?
  • What would happen if you dump nuclear waste into a volcano??
  • What would KNO3 + H2O form?
  • What year was thermite invented?Also by who?
  • What're da equations for alkanes and alkenes tests.?
  • What's a "stability series" (or sequence) in chemistry?
  • What's a cool experiment that you can do with stuff you have at home? like the old vinigar & baking soda thing
  • What's a good chemical to put on some metal to indicate if there's any iron in it?
  • Whats a safer alternative then the works bomb or chlorine and alchol?
  • What's another name for sodium acetate?
  • Whats chemistry...and can u send me some practice of it..?
  • What's concentration of Perchloric acid?
  • Whats difference between electrons and valence electrons?
  • What's H3O? Is it an alkali? an acid? how is it made? what's it used for?
  • Whats Hotter In A Fire : The Coals OR The Flame?
  • What's in R.o. water?
  • Whats is salt made of?
  • What's it like being a PHARMACIST?
  • Whats that stuff in a bubble when u get burned?
  • Whats the amount of liquid a glass can hold?
  • Whats the balanced equation for NaHCO3 + HCl?
  • Whats the best thing to use in a large bottle rocket? foam? water and air? co2?
  • What's the best way to get an alcoholic to sleep before he gets nasty?
  • Whats the best way to grow your own crystals?
  • What's the chemical equation for sodium hydroxide neutralizing acetic acid?
  • What's the chemical formula for bauxite?
  • What's the color of the PRECIPITATE when AgNO3(aq) is added to NaOH(aq)?
  • What's the color of the PRECIPITATE when NaOH(aq) and BaCl2(aq) are mixed together?
  • Whats the composition for zantac maxolon?
  • Whats the composition for zantac maxolon?
  • What's the difference between absorbic acid and citric acid?
  • What's the difference between atomic, nuclear, and radioactive?
  • What's the difference between denatured alcohol and Isopropyl Alcohol?
  • Whats the difference between Glucose Fructose and Galactose.?
  • What's the difference between isotopes and radioisotopes?
  • What's the difference between potassium perchlorate and potassium chlorate?
  • What's the difference between the following functional groups : principal and subordinate groups?
  • Whats the difference between welding oxygen an medical oxygen?
  • Whats the formula for ethyl-dimethyl-octane?
  • Whats the letter used in an equation for boron?
  • Whats the melting point of MDPE?
  • Whats the melting point of salt?
  • What's the most harmful element on the periodic table to our Earth and humans?
  • What's the Ph level of Pelligrino sparkling water?
  • What's the practical importance of having knowledge of reaction rates?
  • What's the reaction between banana and carbon?
  • Whats the Square root of a lifejacket filled with shaving foam?
  • What's the total mass of the solution?
  • What's the value of our body's minerals?
  • What's this reaction yield?
  • What's this reaction yield?
  • When 0.579 g of an unknown compound are dissolved in 200 mL of solution, the osmotic presure was obsrved to...
  • When 1 mol of NaBH4 is used to reduce ketone, how many moles of Hydride is used?
  • When 100.0g of a metal at 100 degrees C is placed in 100g of H2O initially at 20.0C ....?
  • When 2.00 moles of H2O react, how many grams of NH3 are produced?
  • When 20 g of glucovanilin(an organic compound found in the green fruit of vanila)are disolved in 200g phenol..
  • When 20 g of glucovanillin (an organic compound found in the green fruit of vanilla) are dissolved in 200 g...
  • When 20g of glucovanillin(an organic compound found in the green fruit of vanilla) are dissolved in 200g..?
  • When 71.43 mL of .855 molar nitric acid is diluted with 20.57 mL of water the molarity of the nitric acid.?
  • When a 50 mL test tube of water is poured into 50 mL alchohol, what happens to the missing mL?
  • When a conductor is attached with a battery?
  • When a hydrocarbon such as octane is burned in an automobile engine most of the carbon is converted to .?
  • When a larger molecule is made by atoms/smaller molecules w/ the loss of water during the chemical reaction...
  • When a piece of hard boiled egg is left in contact with silver spoon,a black spot is formed on the spoon.?
  • When attempting to seperate chloride and sulfate ions which are in solution (aq) what is the best compound?
  • When balancing redox equations, you need to balance the charge. What would you use to balance...?
  • When carbon momoxide reacts with hydrogen gas, methane and water vapor are formed according to the following..
  • When carbon monoxide reacts with hydrogen gas, methane and water vapor are formed according to...?
  • When common salt is added to water does the pH increases or decreases?
  • When comparing a liquid with a gas at the same temperature which of the following is true?
  • When comparing molecules, how can i judge which would have a higher boiling point?
  • When comparing the strength of two weak acids which factor do we use to determine which is the stronger of the
  • When comparing the strength of two weak acids which factor(s) do we use to determine which is the stronger of?
  • When considering the solubility of a particular solute in a particular solvent the term...?
  • When cryolite is added to aluminium oxide to reduce the melting point, does it produce a mixture or solution?
  • When crystalizing a substance like aspirin, why does scratching on the flask speed this reaction up?
  • When do you use lone pairs in lewis structures?
  • When does geletan undergo a chemical change? How can we tell when a chemical change has occured?
  • When drawing a structural formula, the first step is to draw what?
  • When Hazmat tests 4 hazardous waste material what is involved?
  • When I place a bottle of water in the freezer it will be cold but not frozen. When I open it, it slushes up.?
  • When ice is reverted to a liquid state, does its volume change?
  • When is a sample of amtter considered a pure substance?
  • When is it best to use the constant-pressure caloriemetry, and when is it best to use the constant-volume?
  • When is it better to use an ice bath versus an ice/water bath within an experiment?
  • When is purification by sublimation applicable?
  • When is the right time to exercise the penis for the purpose of elongating it and enlarging it?
  • When KCl dissolves in water....?
  • When making ice cream, the temperature of the ingredients is decreased to below the freezing pt. pf pure water
  • When might a substance absorb heat but not change temperature?
  • When mixed with water,why do phospholipids spontaneously form membranes?
  • When one expels gas, What is the substance that burns when ignited?
  • When pKb for CN- (CN ion) at 25 degree C is 4.7 , then pH of 0.5 M NaCN aqueous solution will be?
  • When platinum is placed in aqua regia solution (mixture of HCl and HNO3), the following redox equation...?
  • When potassium dichromate react with Iron sulphite, why its colour change to green?
  • When purifying copper by electrolysis, does the copper sulphate solution need to be molten?
  • When purifying copper by electrolysis, why does the copper deposit on the cathode rather than sinking ...?
  • When SOCl2 is added to p-anisic acid, will the Cl ion replace the OCH3 group?
  • When solutions of Ba(OH)2 and FeSO4 are mixed, there are how many precipitation reactions?
  • When solutions of Ba(OH)2 and FeSO4 are mixed, there are how many precipitation reactions?
  • When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is what?
  • When sulfur reacts is attains which noble gas structure? Ne,Ar,Xe,or Kr?
  • When the concentration of a reactant is increased which of the following is true?
  • When the concentration of a reactant is increased which of the following is true?
  • When the distillers made ethanol for consumption, why specifically could there be no iron present ?
  • When the equilibrium constant for a reaction is very small which of the following is true?
  • When the equilibrium constant for a reaction is very small which of the following is true?
  • When the following chemical equation is balanced, what is the coefficient of H2O?
  • When the following redox equation is balanced correctly in acid, what is the coefficient of the HNO3?
  • When the following redox equation is correctly balanced in acid, what is the coefficient of the H+?
  • When water boils do the hydrogen and oxygen molecules seperate?
  • When we prepared hydrogen gas in nellcen,s cell, why chlorine goes to anode ? not the OH?
  • When you add dry ice to carbonate your homemade root beer, does it react with aluminum?
  • When you cover the mouth of the test tube with a balloon and heat it, why does it inflate?
  • When you heat zinc dose it give of harmfull fumes?
  • When you supercool water does it matter how long you put it in like can you leave it there for a night?
  • Wher can i get Kno3 in Australia Easily?
  • Where can I buy a 60ml syringe?
  • Where can I buy catechol, NBS, reagents or other chemicals?
  • Where can I buy large amounts of titanium?
  • Where can I buy mercury metal?
  • Where can i buy sodium acetate in crystal form around St. Louis?
  • Where can I buy some fuses like for fireworks and stuff??
  • Where can I find a picture of the chemical bonds of salt water?
  • Where can I find better salts for the electrolysis of water?
  • Where can I find chemistry tutor?
  • Where can i find information about phencycyclidine?
  • Where can I find out about air quality in my town?
  • Where can I find procedures and materials needed in Magics in Chemistry?
  • Where can I find pure Di-Dehydroepiandrosterone, not mixed with anything?
  • Where can i find sodium acetate?!?
  • Where can I find some potassium perchlorate? Small quantities...?
  • Where can I find the chemical charges for certain compounds Ex: Phosphate, Sulfate, Chromate?
  • Where can I find the most accurate Periodic Table of the Elements?
  • Where can I find values for water activity of gelatin solutions?
  • Where can i get potasium nitrate (KNO3)?
  • Where can I get some gallium?
  • Where can I get some tetracalcium phosphate?
  • Where can i get the international standards for drinking water?
  • Where can I obtain xylene in Manila?
  • Where can i purchase materials for battery? specially carbon?
  • Where can i purchase sodium acetate?
  • Where can you buy fire crackers?


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