Chemistry Questions and Answers

  • How many calories of heat are required to heat each of the following from 15 degrees C to 65 degrees C?
  • How many carbon atoms are in a 12 oz. coca cola can??
  • How many chemicals are in marijuana?
  • How many chemicals are used to make paper?
  • How many chiral carbons are on Sialic Acid?
  • How many cm are in a 8 dm?
  • How many core electrons are in a chlorine atom?
  • How many core electrons arein chlorine atoms?
  • How many covalent bonds will a nitrogen atom usually form?
  • How many cups of water is 700 mL?
  • How many different isomers of all types are possible for the complex ion [Co(NCS)2(NH3)4]+?
  • How many different kinds of chemical bonds are there?
  • How many different structures have the formula C3H8, C4H10, C5H12?
  • How many disintegrations have occured after 12 min?
  • How many disintegrations have occured after 13 minutes?
  • How many disintegrations have occurred after 11 minutes?
  • How many disintegrations have occurred after 13 minutes?
  • How many disintegrations have occurred after 17 minutes?
  • How many disintegrations have occurred after 18 minutes?
  • How many disintegrations have occurred?
  • How many drops are in .3 ml?
  • How many eggs are needed to make 1 dozzen waffles, assuming you have enough of all other ingredients?
  • How many electons, protons, and neutrons are in titanium-47?
  • How many electrons are available for bonding in AlCl3?
  • How many electrons are contained in an Au3+ ion?
  • How many electrons are in a neutral atom of Chlorine?
  • How many electrons are in Ca 2+?
  • How many electrons are there?
  • How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solutio?
  • How many electrons are unpaired in hte orbitals of nitrogen?
  • How many electrons are unpaired in the orbitals of nitrogen?
  • How many electrons in an atom can have the quantum numbers n=4, l=2?
  • How many electrons must be present for stability?
  • How many fermions can be in the same quantum state at the same time?
  • How many g of Ca(OH)2 is needed to react..?
  • How many g/l of Hydrochloric Acid would give it a concentration of 37%?
  • How many gr Mg(OH)2 are needed to neutralize 25ml of stomach acid if the stomach acid is 0.10M HCl?
  • How many grams and how many moles of SiF4 can be produced from 63.4 grams of HF?
  • How many grams and how many moles two different questions?
  • How many grams of H2O are actually produced ?
  • How many grams of H2O are produced from the complete reaction of 68.12 g of NH3 ?
  • How many grams of O2 are needed to completely react with 320.30 g of SO2 ?
  • How many grams of acetic acid should be dissolved in 100g of water to make 4.0,by mass, solution of vinegar?
  • How many grams of beryllium are in 147g of the mineral beryl?
  • How many grams of CaBr2 are needed to prepare 4.65 L of a 7.65 M solution?
  • How many grams of calcium phosphate are theoretically produced if we start with 3.40 moles of Ca(NO3)2 and?
  • How many grams of carbon dioxide are formed as the solution fizzes?
  • How many grams of CO R needed to react w/ an excess of Fe2O3 to produce 558g of Fe?Fe2O3+3CO->3CO2+2Fe?
  • How many grams of CO2 will be formed by the complete burning of 20 grams of charcoal?
  • How many grams of excess reagent are left over according to the reaction below given...?
  • How many grams of H20 are made from the reaction of 16.0g of Oxygen gas?
  • How many grams of H20 are made from the reaction of 4.0g of hydrodgen gas?
  • How many grams of H2SO4 are in 1.00 liter of a1.55M H2SO4 solution?
  • How many grams of hydrochloric acid can be neutralized by 5g Mg(OH)2?
  • How many grams of hydrogen are in 3.75e22 molecules of ibuprofen (C13H18O2)?
  • How many grams of Hydrogen gas can be collected from 500 g of zinc if an unlimited amount of HCl is available?
  • How many grams of Hydrogen gas can be collected from 500 g of zinc if an unlimited amount of HCl is available?
  • How many grams of iron (Fe) is contained in 15.8 g of Fe(OH)3?
  • How many grams of iron are in 21.6g of Fe2O3?
  • How many grams of MnO2 (86.94 g/mol) are produced in the following reaction if 453. mL of 0.169 M KI?
  • How many grams of N2 are contained in an 11.2 L sample at STP?
  • How many grams of Na2CO3 are present in 575 liters of water?
  • How many grams of NaOH are needed to make 400 mL of a 3.5 molar (M) solution?
  • How many grams of naphthalene should be mixed with 12.0 g of camphor to lower the freezing point to 170.0 oC?
  • How many grams of NH4ClO4 are produced in a reaction that consumes 1.65 kg of AlCl3?
  • How many grams of oxygen would be used to completely react with 306g. of C6H13OH.?
  • How many grams of sodium chloride can be added to 500 mL of .001 M silver nitrate before a precipitate forms?
  • How many grams of sodium metal are needed to make 29.3 grams of sodium chloride?
  • How many grams of sodium metal are needed to make 29.3 grams of sodium chloride?
  • How many grams of solute are in each of the following solutions?
  • How many grams of solute are needed to prepare each of the following solutions?
  • How many grams of the second listed reactant is needed to react completely with1.772g of thefirst listedreact?
  • How many grams of thionyl chloride?
  • How many grams of water are made from the reaction of 16.0 grams of oxygen gas? Given: 2H2 + O2>>2H2O?
  • How many grams of water are made from the reaction of 4.0 grams of hydrogen gas? Given: 2H2 + O2 > 2H2O?
  • How many grams of water are needed to react with 70.0 g CaCN2?
  • How many grams of water can be formed when 33.3 moles oxygen are burned?
  • How many grams of water will be formed by completely burning 39 grams of benzene (C6H6)?
  • How many grams or Argon would it take to fill a light bulb w/ a volume of 0.475 L at STP.?
  • How many grams or Argon would it take to fill a light bulb w/ a volume of 0.475 L at STP.?
  • How many grams?
  • How many half-filled orbitals are in a bromine atom?
  • How many hydrogens are found on each of the following compounds?
  • How many isomers are there for C3H6Cl2, and what are they?
  • How many isomers does C4H9Cl?
  • How many Isotopes does arsenic have???
  • How many isotopes does carbon have?
  • How many joules are needed to raise the temperature of an iron nail that has a mass of 7.05 grams from 30'C to
  • How many joules are required to raise the temperature of 0.600 kg of liquid water by 24.0'C? How many calories
  • How many joules are there in one BTU. See data below.?
  • How many L of CO2 at S.T.P. will be produced by completely burning 32.0 g of C2H6 @ standard temp. & pressure?
  • How many L of O2 at S.T.P. will be produced by completely burning 270 g of C2H6 @ standard temp. & pressure?
  • How many liters does a 2.00L sample of a gas at 27*C and 600mmHg occupy at STP?
  • How many liters o H2 at 23 degrees Celcius and 733 mm Hg are released by the reaction between 1.98 grams of Na
  • How many liters of a 10% acid solution must be mixed with three liters of a 4% acid solution to get an 8% acid
  • How many liters of a 3.0 molar (M) solution of H2SO4 contain 0.75 moles of H2SO4?
  • How many liters of chlorine gas are produced if 125 g of sodium chloride are exposed to an electric current?
  • How many liters of hydrogen gas and oxygen can beobtained form the electrolysis of 90.0 g of water at 25.0掳C ?
  • How many liters of methane gas, measured at STP, must be burned to provide 1270000J energy?
  • How many meters are in 1 kilometer?
  • How many mililiters of NaOH 0.02 M do you need to neutralize half of the acid produced in the hydrolysis of...
  • How many millileters of 14.5 M NH3 are needed to prepare 6.5 liters of .40 M NH3?
  • How many milliliters (mL) of water must be added to 30mL of a 6.0M solution to obtain a 0.25M solution?
  • How many milliliters of 11.6 M HCl solution are needed to obtain 0.305 mol of HCl?
  • How many milliliters of 17.0 M H2SO4 are required to react with 237 mL of 2.62 M Al(OH)3...?
  • How many milliliters of 2.3 M AgNO3 are needed to provide 168.94 g of pure AgNO3?
  • How many milliliters of 2.3 M AgNO3 are needed to provide 168.94 g of pure AgNO3?
  • How many ml are in a litter.?
  • How many ml of 0.25 N H2SO4 would it take to neutralize 50 ml of 0.30 N NaOH?
  • How many ml of 0.25 N H2SO4 would it take to neutrazlize 50 ml of 0.30 N NaOH?
  • How many mL of 0.68 molar NaOH must be added to 28 mL of 0.84 molar HCl to completely neutralize the acid.?
  • How many mL of 12.00M sulfuric acid must be diluted with water to prepare 1.20L of a .740M H2SO4 solution?
  • How many mL of 13.00 M hydrochloric acid must be diluted with water to prepar 1.20 L of solution with a pH...?
  • How many mL of 13.00M hydrochloric acid must be diluted with water to prepare 1.30L of a 0.640 M HCL solution?
  • How many mL of 15.00 M hydrochloric acid must be diluted with water to prepare 1.80L of a 0.220M HCl solution?
  • How many mL of a .150 M H3PO4 soln do you need to get 1.47g of H3PO4?
  • How many mL of HCl are needed to make up 1L of .2N solution if the concentrated HCl assays 37.4% HCl...?
  • How many mLs of 1.50 M KOH are required to neutrilize 15.0 mL of 6.0 M HNO3 PLEASE HELP!?
  • How many mole ratios can be correctly obtained from the chemical equation 2NO=N2+O2?
  • How many molecules are in .0114 g MgCl2?
  • How many molecules are in 1 crystal?
  • How many molecules are in 2 Moles of NaCl?
  • How many molecules are in your body? (my body weight being 114lbs) and there must be 3 to 4 conversion factors
  • How many molecules are there in 7.58 mg of carbon tetrachloride?
  • How many molecules are there in 7.58 mg of carbon tetrachloride?
  • How many molecules in 1 L of 2M solutions of HCl?
  • How many molecules of CO are there if there are 1.3102 Moles and 36.70 Grams?
  • How many molecules of oxygen are in 3.4 mole oxygen?
  • How many molecules of water are in the Arkansas River?
  • How many moles in 87kg of Ca(OH)2? and how do you find the empirical formula of the compound with 30% N & 70%O
  • How many moles in a gram of solution/liquid?
  • How many moles is 64.0 grams of CH4 (methane)???
  • How many moles of hydrogen were in the original sample that underwent combustion ?
  • How many moles of H2 are needed to react with 1.0 mole N2 ?
  • How many moles of AgCl are produced when 100 mL of 0.451 M AgNO3 and 50 mL of 0.902 M NaCl are mixed?
  • How many moles of Al oxide are produced according to the reaction below given that you start with?
  • How many moles of atoms are present in 7.9 moles of NaHCO3?
  • How many moles of benzoic acid, a monoprotic acid with Ka=6.4x10^-5, muct be dissolved in 500 mL water to?
  • How many moles of bromide ions (Br-) are there in 662 mL of a 0.349 M solution of calcium bromide (CaBr2)?
  • How many moles of bullshit are in one liter of chemistry?
  • How many moles of calcium chloride are theoretically produced for the following reaction?
  • How many moles of calcium chloride,CaCI2,must be dissolved in 1.30L of water to make 0.25M solution?
  • How many moles of carbon monoxide react withh 2.50 mol of 2 iron and 3 oxygen?
  • How many moles of carbon were in the original sample that underwent combustion?
  • How many moles of carbon-12 are contained in exactly 6grams of carbon-12?
  • How many moles of CF4 can be produced by the complete reaction of 47.5g of F2 by the following reaction?
  • How many moles of chlorine gas are needed to make .6 moles of sodium chloride? Given: 2Na + Cl2 >2NaCl?
  • How many moles of copper...?
  • How many moles of HCl are present in 0.70 L of a 0.33 M solution of HCl?
  • How many moles of HCl are present in 40.0 mL of a .035 M solution?
  • How many moles of HCL are required to neutralize the mass of sodium bicarbonate?
  • How many moles of hydrogen chloride will be needed to produce 1.25 mol of the hydrate?
  • How many moles of hydrogen gas are contained in 12.5 L at 0.75 atm and a temp of 25C?
  • How many moles of hydrogen were in the original sample that underwent combustion ?
  • How many moles of hydrogen were in the original sample that underwent combustion ?
  • How many moles of Ne occupy 2.0L at Standard Temperature and Pressure?
  • How many moles of NH3 can be produced by the reaction of 2.00 grams of N2 with 3.00 grams H2?
  • How many moles of nitrogen gas are in 82.9 Liters of N2 ?
  • How many moles of oxygen are required to react with 18.3 mol ammonia? What's the equation and how's it done?
  • How many moles of sodium metal are needed to make 3.6 moles of sodium chloride?
  • How many moles of sodium metal areneeded to make 3.6 moles of sodium chloride?
  • How many moles of solute particles are produced by adding one mole of sodium nitrate to water?
  • How many moles of sulfur are in 13.2 g (C3H5)2S (Allyl sulfide)?
  • How many moles of water are made from the reaction of 1.4 moles of hydrogen gas? Given 2H2 + O2 > 2H2O?
  • How many moles of water are made from the reaction of 2.2 moles of oxygen gas?
  • How many moles of water are made from the reaction of 2.2 moles of oxygen gas?
  • How many moles of water are produced when 3.60 moles of hydrogen gas are reacted with 2.16 moles of oxygen gas
  • How many moles of zinc is used and how many moles of hydrogen gas is produced?
  • How many NaCl molecules ar there in 500mL of 0.5 NaCl solution?
  • How many neutron and electrons does platinum have?
  • How many neutrons are in radioisotope Pa-234?
  • How many neutrons does copper have?
  • How many number of orbitals do these form?
  • How many of the statements below are TRUE concerning globular proteins?
  • How many orbitals in an atom?
  • How many oxygen atoms are there in the air right now?
  • How many picometers are there in a centimeter?
  • How many protons, neutrons and electrons are present in each of the following atoms or ions?
  • How many sig figs are in 1000?
  • How many single covalent bonds must a silicon atom form to have a complete octet in its valence shell?
  • How many sodium ions are in .0196 mols of sodium?
  • How many stereo isomers are there for 2,3-dibromobutane & 2,3-diiodopentane?
  • How many structural isomers for C5H8?
  • How many subshells are t here in the N=2 principal shell?
  • How many subshells are there in the n=2 principal shell?
  • How many sugar molecules are in 1 crystal?
  • How many sugar molecules make up one crystal?
  • How many sulfur atoms are there in 21.0g of Al2S3?
  • How many teaspoon of sodium are in 1840 mg?
  • How many teaspoon of sodium are in 1840 mg?
  • How many teaspoons are in 1840 mg?
  • How many teaspoons are in 1840 mg?
  • How many teaspoons are in 1840 mg?
  • How many teaspoons do you need to use for 400 g of salt?
  • How many total atoms are in 1.0 moles of H2O?
  • How many total moles of atome are present in 4 moles of SO3?
  • How many types of hydrogen are found on the following compound?
  • How many unhybridized atomic orbitals are there on N and C atoms of azobenzene and hydrazobenzene?
  • How many unpaired electrons are in the d-orbital splitting diagram for the octahedral complex ion of ...?
  • How many unpaired electrons are in the d-orbital splitting diagram for the octahedral complex ion of:?


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