# 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:?