Chemistry Questions and Answers

  • How does alchemy differs from chemistry?
  • How does an atom of a metal become an ion?
  • How does an element's placement on the periodic table affect the type of bond it forms with other elements?
  • How does an element's placement on the periodic table affect the type of bond it forms with toher elements?
  • How does an ionic bond form?
  • How does BARIUM SULFONATE react with Buna-N Rubber??
  • How does batteries work? who invented the modern battery? and how are those batteries differ from the ones...?
  • How does bleach work and what is the chemistry behind it?
  • How does blowing up a balloon prove that air is matter?
  • How does bread go stale?
  • How does C6H5N2Cl+ is being prepared from aniline and under what condition?
  • How does citric acid clean grimes?
  • How does citric acid reacts with urea?
  • How does common salt (sodium chloride) crystallise out of seawater?
  • How does copper sulphate help to catalyse a reaction btw zinc & sulfuric acid?
  • How does driving with the air on burn gas?
  • How does evaporation and condensation work in distilling tap water?
  • How does fuel cells produce electricity or energy give at least one positive factor for that form of energy?
  • How does garlic mustard affect the way you live?
  • How does gas pressure affect current and/or voltage in a cell with a gas electrode (cathode)?
  • How does ketone body fuel our body and brain and what is the consequences?
  • How does liquid detergent affect food coloring in water? How is this explained chemically?
  • How does methane convert into co2?
  • How does monosodium glutamate affects our brain.tell me more about MSG.?
  • How does nail polish remover work?
  • How does non biodegradable waste harm us ?
  • How does nuclear radiation damage biological tissue?
  • How does oil and gas come out of the ground?
  • How does one determine the identity of an unknown compound?
  • How does one extract sulphuric acid from an old car battery?
  • How does one turn iodine white or clear?
  • How does pH affect solubility?
  • How does pressure relate to the movement of gas molecules?
  • How does salt and sugar effect the speed of water freezing?
  • How does table salt differ from other chemical 'salts'?
  • How does temperature affect vapor pressure?
  • How does Tetrachloroethylen solve grease of garments? What is the chemical and practical process?
  • How does the addition of a solute effect the freezing point of a solution?
  • How does the chemical structure of Fluoxetine Hydrochloride looks?
  • How does the components in air be separated and what are the uses of major components of air?
  • How does the dichromate-chromate equilibrium depend on hydroxide ions?
  • How does the genetic code work? what information does it give?
  • How does the human body process ethyl alcohol?
  • How does the nature of solute and solvent affect the solubity of the substance..website if can?
  • How does the OH group get affected in the following reaction?
  • How does the operation of a halogen lamp depend on an equilibrium system?
  • How does the penetrating ability of gamma rays compare with that of alpha particles and beta particles?
  • How does the pressure affect the solubility of the substance..website pls if can?
  • How does the pressure and volume affect gas particles (in a balloon)?
  • How does the solubility of a gas vary with temperture? Directly, or indirectly?
  • How does the strength of an acid relate to tthe concentration of the acid?...?
  • How does the structure of salicylic acid differ from that of benzoic acid?
  • How does the temperature affect the emf?
  • How does the temperature and phase of a substance affect its entropy?
  • How does the test for phosphate ion work?
  • How does the use of AAS show the function of trace elements in the body?
  • How does the voltaic pile work?
  • How does total pressure of a mixture of gases relate to partial pressure of the individual gases in a mixture
  • How does ultra violet light clean parts ( quartz crystals) this is how we clean xtals at work.?
  • How does vanishing ink work?
  • How does Vitamin C prevent applesauce from turing brown?
  • How does water act as a base when in an acid?
  • How does water assist with chain reactions in nuclear power plant reactors?
  • How does water start a fire?
  • How Elements Get Named?
  • How far apart are air molecules? How far would an infinetesimally small laser beam travel to hit one?
  • How far can a woman's tongue protrude after being strangled ?
  • How Far Is Pluto From Earth...?
  • How heating affects enzyme activity?
  • How Hot will propane burn?
  • How is lactose decomposed by alkalies?
  • How is a pair of nitrogen atoms bonded?
  • How is a solute distinguished from a solvent?
  • How is AAS used in pollution control?
  • How is an acid formed?
  • How is an element such as carbon-12 an isotope if it has the same number of protons and neutrons?
  • How is an empirical formula like and unlike a molecular formula?
  • How is atomic size actually determined? Is it the number of protons + neutrons or the no. of electron shells?
  • How is charcoal shaped into the little nuggets?
  • How is chemical energy stored and what might cause there to be more or less chemical energy in a system?
  • How is chemistry related to environment and hybrid cars?
  • How is chemistry related to Light bulb?
  • How is citric acid used in the body?
  • How is constituents of petroleum obtained?
  • How is distillation takes place?
  • How is Ethylene Glycol dissolved in water?
  • How is it possible for a halogen lamp to operate with the filament at 2700 degree ..?
  • How is it possible to produce a fraction of a mole in a reaction?
  • How is it that water freezes and ice melts at degree farenheit?
  • How is it that you can have a bridging Hydrogen with Boron Complexes?
  • How is Le Chatelier's principle useful in the chemical industry?
  • How is Magnesium made ?
  • How is melting records related to chemistry?
  • How is methane formed from hydrogen and carbon dioxide?
  • How is NADH and FADH2 involved in ATP production?
  • How is organic chemistry playing a significant role in our lives ?
  • How is oxygen formed?
  • How is ozone measured?
  • How is petroleum's refining done?
  • How is plastics produced?
  • How is preparation of artificial dyes done?
  • How is table salt obtained?
  • How is that bacteria feeds on biodegradable polythene?
  • How is the age of an object containing a radioactive nuclide estimated?
  • How is the amount of water on earth kept constant?
  • How is the chemical reaction that causes the statue of liberty look green have a similarity with a bike rust?
  • How is the concentration of hydronium ions (H3O+) affected when a solution of an acid is diluted?
  • How is the length of time of the beta decay process measured?
  • How is unreacted acetic anhydride removed from the aspirin product?
  • How is vapor pressure related to boiling point elevation and freezing point depression?
  • How long are the fuse on consumer grade firework artillery shells.?
  • How long does concrete cure or hydrate to reach its strongest point?
  • How long does it take for glass to disintegrate?
  • How long does water surface tension take to reform after it has been disturbed?
  • How long till disappearing ink becomes invisible?
  • How long will it take for a store of tritium to become safe?
  • How long would it take to come down?
  • How man liters?
  • How many amino acids are in typical protein molecules?
  • How many atoms are in 1 mole of potassium?
  • How many atoms are in 1 molecule of sugar (C12H22O11)?
  • How many Atoms are in 2 moles of H2O?
  • How many atoms are in Al(C2H3O2)3?
  • How many atoms are in C55H72O5N4Mg?
  • How many atoms would a regular person have?
  • How many bonding electron pairs does a methane molecule have?
  • How many bonding pairs of electrons are around the central atom in HCN?
  • How many bonds are in C3H8???
  • How many calories does a cigarette burn?
  • How many carbon atoms are in 3-pentanone?
  • How many carbon atoms are there before the reaction?
  • How many carbon atoms are there in 1 gram of acetic acid?
  • How many chemical reactions occur while baking a cake?
  • How many chemicals are present in human body.and what is their percentage .?
  • How many CO2 molecules can be produced from one ribose molecule?
  • How many configurational isomers? 10 points up for grabs if you can make me understand!!?
  • How many constitutinal isomers are possible for C3H5Br?
  • How many constitutional isomers does C4H6Cl2 have?
  • How many constitutional isomers does C4H8Cl2 have?
  • How many Constitutional isomers of C3H7Br are possible?
  • How many constitutionally isomeric ethers are there with a formula of C5 H12 O?
  • How many core electrons are there in?
  • How many counts per second are in a milliremm (m/rem)?
  • How many covelant bonds will Nitrogen (atomic number of 7) form?
  • How many different kinds of Periodic Tables are there?
  • How many different structural isomers can be drawn for an alkane with five carbon atoms?
  • How many drops does it take from a dropper to dispense 1.0 ml or ethanol?
  • How many electrons are in one molecule of hydrogen?
  • How many electrons can be described by the quantum numbers .?
  • How many electrons can be described by...?
  • How many electrons fill an orbital? How many f orbitals can be in an energy level?
  • How many elements are found in the compound Ca(OH)2?
  • How many equivalents are in the following masses? PLEASE HELP!?
  • How many forms can water take and can it ever take a dry form like powder Thangkyou to anyone who answers :-)?
  • How many gallons does a 14' x 36" pool hold? Trying to add chemicals.?
  • How many galons ?
  • How many grams are in 1.2 x 10^24 molecules of MgCl2?
  • How many grams are in 3.79 kg?
  • How many grams are produced?
  • How many grams of a 23.4% by mas NaF solution is needed if you want to have 1.33 moles of NaF?
  • How many grams of ammonia were produced if you started with 10 moles of nitrogen and excess hydrogen gas?
  • How many grams of barium chloride are needed to make 100. grams of barium sulfate?
  • How many grams of barium sulfate can be produced from 0.100 mole of barium chloride?
  • How many grams of bromine are in 1.57 grams of phosphorus tribomide?
  • How many grams of C2H2 are burned if the following reaction produces 20g of CO2. 2C2H2+5O2->4CO2+2H2O?
  • How many grams of C4H10O can be melted by 2.00 x 10^3 J?
  • How many grams of carbon dioxide gas are in a 1.5 L balloon at STP?
  • How many grams of carbon dioxide gas are in a 1.7 L balloon at STP?
  • How many grams of chlorine (Cl) are present in 1.22 moles potassium chlorate?
  • How many grams of compound would be formed?
  • How many grams of KOH are required to prepare the following? 2.00L of 6.00M KOH, 10.0ml of 0.100 M KOH, and?
  • How many grams of Methane are there in 1.23x10 to the 24 molecules?
  • How many grams of NaC2H3O2 must be added to 500mL of 0.2M HAc to produce a buffer with pH=5?
  • How many grams of NaCl can be produced when 5.8g Na reacts with excess chlorine? 2Na+Cl2-->2NaCl?
  • How many grams of nitrogen are present in 2 moles of HNO3?
  • How many grams of nitrogen are present in 46.34 grams of ammonium nitrate?
  • How many grams of nitrogen dioxide are required to produce 260 grams of nitrogenmonoxide?
  • How many grams of oxygen are required to fill?
  • How many grams of oxygen can be produced from the decomposition of 100.g of KClO3?
  • How many grams of PbI2 are produced?
  • How many grams of PBr5 can be formed from 31.0 grams of phosphorus and 154 mL of bromine?
  • How many grams of salt must be added before microorganisms die?
  • How many grams of silcon tetrafluoride,?
  • How many grams of silver are contained in 50.0g of AgNO3?
  • How many grams of sodium hydrogen carbonate, NaHCO3, must be heated to produce 2.50 dm3 of...?
  • How many grams of sodium peroxide are required yo remove10.0 moles of carbon dioxide?
  • How many grams of urea should be added in 50 ml for a final concentration of 4M (molar)?
  • How many grams of.?
  • How many hydrogen atoms are in 5 molecules of isopropyl alcohol?
  • How many hydrogen atoms in a molecule of 1-ethylcyclohexene are described as vinylic hydrogens?
  • How many isomeric trichlorobenzenes are possible?
  • How many isomers do heptane and octane have?
  • How many J of heat energy are needed to completely change 11.0 g of water to steam at the boiling temperature?
  • How many joules of heat energy are needed to ... (4)?
  • How many joules of heat energy are needed to completely change 11g of H2O to steam @ boiling temperature?
  • How many liter of acetylene at 742 mm Hg and 26 degrees C can be produced from 2.54 CaC2(s)?
  • How many liters are there of 1.20 mol of nitrogen gas at STP?
  • How many liters is 3.01*10^23 molecules of neon?
  • How many liters of a 3.5 molar solution can be made with 5280 grams of SO2?
  • How many liters of acetylene at 742 mm HG and 26 degree C can be produced from 2.54g CaC2(s)?


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