Chemistry Questions and Answers

  • how do you convert ug cm-3 into mol dm-3?
  • How do you count atoms?
  • How do you count the number of atoms in a unit cell?
  • How do you cut dry ice?
  • How do you destroy a Diamond ??
  • how do you determine km and vmax?
  • how do you determine the molarity [A}, and rate of a reaction after 50 minutes?
  • How do you determine whether a gas is hydrogen?
  • How do you determine whether a solute in a solution is a mixture or a pure substance?
  • How do you dissolve a polycarbonate filter in acid without the use of microwave digestion?
  • How do you do stoichiometry?
  • How do you draw an electron dot diagram for atoms with a polyatomic ion?
  • how do you draw the lewis structures for ethanol (C2H5OH) & cyclohexane (C6H12)?
  • How do you explain why the addition of silver nitrate to the Fe/SCN equilibrium had an effect on the equilibri
  • How do you figure out Mole to mole fractions?
  • How do you figure out the pressure given N, and ...?
  • How do you figure out whether a ring is aromatic, non-aromatic, or anti-aromatic? Specifically if its planar?
  • How do you find heat, work, and internal Energy change?
  • How do you find molar mass from freezing point depression?
  • How do you find out the halflife of an isotope?
  • how do you find percent composition?
  • How do you find standard enthalpy of formation from heat of combustion?
  • how do you find the atomic mass of a number!?
  • How do you find the concentration of HCl if it isn't in pure water?
  • How do you find the concentration of unknown NaOH(strong base) required to titrate a weak acid (acetic acid)?
  • how do you find the density of humid air?
  • how do you find the density of solids that float in water?
  • how do you find the limiting reagent?
  • how do you find the molar mass of Lysol antibacterial Kitchen Cleaner...easy way?
  • How do you find the molecular formula and empirical formula of a compound when the molar mass is 120g/mol.?
  • how do you find the moles,mass and molarity of a solution if given the molar mass??
  • how do you find the number of electrons are in a molecule??
  • How do you find the ph of .05M of H2C4H4O6 given Ka1=1.0 x 10 -3 and Ka2=4.6 x 10 -5 I am completely stuck.
  • how do you find the scientific notation of 0.0052?
  • How do you find the volume of a fully inflated hot air balloon?
  • How do you find the?
  • how do you find volume in liters in a solution if given the mass and molarity?
  • how do you find wavelength from energy? PLEASE HELP!!!?
  • How do you finish this equation?
  • How do you get a defficate when doing the lewis dot structure in chemistry?
  • how do you get the amount of electrons in an atom?
  • How do you get the number of protons in an element?
  • how do you identify a clear acid?
  • how do you interpret chemical equations in terms of interacting particles?
  • How do you know how many liters of water to add?
  • how do you know how many valance electrons are in a group?
  • How do you know if a precipitate will be formed when only given the formulas?
  • How do you know if a solvent pair can be used in recrystallization?
  • how do you know if something is polar or non-polar?
  • how do you know the volume of liquid in a volumetric flask?
  • How do you KNOW when to add H2O and H+ to redox rxns to balance them?
  • how do you make a 50 mL 2% KMnO4 solution? YOu know, the steps and the chemicals needed?
  • How do you make an orange phosphor?
  • How do you make copper acetate?
  • How do you make Cyclotrimethylenetrinitramine?
  • how do you make invisible ink, like the one in the national treasure? i need this for my science project?
  • How do you make Potassium Chloride from scraps?
  • How do you make sulpher mercaptan?
  • how do you make up 100ml of 0.1M HCL?
  • How do you make water freeze instantly?
  • how do you make winshield washer fluid?
  • How do you measure mass?
  • How do you measure solubility?
  • How do you measure the rate of production of hydrogen gas?
  • how do you name HEMIACETALS?
  • How do you obtain nitrogen?
  • How do you plate leather with silver using graphite elctrodes?
  • how do you predict the shape of compounds like oxygen difluoride?
  • How do you prepare a 2.5 molal NaOH solution?
  • How do you prepare a 2.5molal NaOH solution?
  • how do you prove that 80.0 cal/g is the same as 6.01 KJ/mol?
  • How do you put a magnetic charge in a material?
  • how do you read a chemical formula?
  • how do you refill a gas lighter?
  • How do you separate a solution?
  • how do you separate barium chloride from calcium sulfate?
  • how do you separate barium sulfate from ammonium chloride?
  • How do you separate benzil from p-methoxyphenol?
  • How do you separate by phycial mean...?
  • How do you separate Nickel from Copper and Copper from zinc?
  • How do you separate p-methoxyphenol from a solution of NaOH?
  • How do you separate water from salt but still keep both the salt and water?
  • How do you seperate magnesium oxide into magnesium and oxygen?
  • how do you solve a q=mcdeltat problem?
  • How do you solve acid/base problems?
  • How do you solve stoichiometry problems?
  • How do you solve this problem using stoichiometry?
  • How do you solve this problem?
  • How do you split water into hydrogen? Idiot version please!?
  • How do you synthesize an anhydride from an amide?
  • How do you take care of a enclosed electrode for a ph meter?
  • How do you tell silver from aluminum?
  • How do you tell which substance has a higher boiling point?
  • How do you test a substance in gas form to figure out what it is?
  • how do you test for carbon dioxide and oxygen in chemistry?
  • how do you test water quality? and where do you buy it from?
  • How do you transform monosaccharides into anythin different?
  • How do you type carbon dioxide, oxygen, water in ms word?
  • How do you type the little number on the keyboard for a compound, like methane would be CH4.?
  • how do you use a bulb-pipette ?
  • How do you use a bulb-pipettes instead of graduated cylinders or volumetric flasks?
  • How do you use noble gas notations?
  • How do you use the equation for heat?
  • how do you use the louis dot system and how do you show compounds and elements in louis structure?
  • how do you work out how many electrons an element has?
  • how do you work out the concentration of sulphuric acid in a titration with Na2CO3?
  • How do you write a neutron?
  • how do you write chemical formula's in biological chemistry?
  • How do you write the noble gas notation for a noble gas?
  • how do you?
  • how does 2-amino-4-methylhexane look like?
  • how does a base speed up the rate of rusting?
  • how does a catalyst chemical reaction takes place and what are the subsequent chemical changes in the reaction
  • how does a catalyst work in a chemical reaction>>>?
  • how does a chemical cell make a light bulb shine?
  • How does a chemical equation relate the macroscopic, observable reaction to interactions at microscopic level
  • how does a crystals form?
  • how does a double bond give rise to cis- and trans- configurations of isomers?
  • How does a flame work?
  • How does a generator produce electricity?
  • how does a hot air balloon react to air pressure?
  • how does a hydrate differfrom an anhydrate?
  • HOW DOES A KELVIN WATER DROPPER WoRK?
  • How does a piece of solid Mg react with MgSO4 solution?
  • how does aluminum get to it's purest state?
  • How does an ice skate "work"?
  • How does an increase in the average kinetic energy of a substance affect its temperature?
  • How does an ionic lattice structure end?
  • How does anti-freeze work??
  • How does Baking Soda and Corn Startch React when added to water?
  • How does Baking Soda and Vinegar create CO2?
  • how does boiling of a liquid different from its evaporation?
  • how does boyle's law relate to the ideal gas equation?
  • how does CaCl2 melt ice when the outside temperature is below the freezing point of water?
  • how does carbohydrates removed from our body?
  • how does chemistry affect our everyday lives?
  • How does chlorine become an ion?
  • How Does Detergent Clean?
  • How does drinking large amounts of ethanol help block enzymatic reaction of methanol to formaldehyde?
  • how does electricity conduct through salt water?
  • how does fehling's test reveal the properties of a glycogen?
  • How does gum pop?
  • How does Helium react or behave?(Chemical Properties)?
  • How does higher temperature affect the solubility of the solute in water?
  • How does hydrogen and oxygen combine to form water?
  • How does hydrogen bonding contribute to the characteristics of the water molecule?
  • how does iron-on image tranfer work? what factors determine how long the transferred image will not fade?
  • How does isolating drugs and natural compounds work?
  • how does light decompose KMnO4? please provide an equation.?
  • how does lugol's reagent work?
  • How does lye react with oil to create soap??
  • How does one balance this equation?
  • How does one determine the correct amount of borax to add to buffer caustic soda in corn starch adhesives?
  • how does one determine wether a molecule containing 3 elements is polar or non..?
  • How does one explain the formation of ions?
  • How does one extract phenol from a mixture of benzoic acid, phenol and butanol?
  • How does one keep zinc sulphate hydrated? Include apparatus you would use!?
  • How does Pb(NO3)2 react with iodide anion?
  • How does Phosphorus -32 detect the presence of nucleic acids. Why can it not detect amino acids also?
  • how does rock salt help freeze water?
  • How does salt affect the corrosion of iron ?
  • How does salt effect dehydration?
  • how does salt get ionized?
  • How does salt make water temperature rise when boiling?
  • how does separation of cream from milk take place ??
  • How does soap remove oil?
  • How does sugar disolve in hot water?
  • How does Supersaturation differ from saturation?
  • How does temperature affect the rate of production of hydrogen gas?
  • How does the Benedict's Solution work?
  • how does the conc of a hydrogen peroxide soln affect the speed at which it decomposes to produce o2?
  • how does the crystal structure of graphite enable it to be used as common lubricant for locks?
  • How does the Ideal Gas Law explain why the wind blows?
  • How does the lack of oxygen affect the making of alcohol?
  • How does the nature of solute affect the colligative properties, i.e., boiling point, freezing point, and...?
  • how does the ninhydrin test work?
  • How does the optical density of a solution containing BAPNA relate to enzyme activity?
  • How does the partial pressure of oxygen affects its transport by homoeglobin?
  • How does the pendulum show the relationship between gravitational potential energy and kinetic energy?
  • How does the presence of a double or triple bond affect the stability of the molecule?
  • How does the reactivity of the halogens vary within its own group from top to bottom?
  • how does the specific heat of water change when solutes such as salts are dissolved in it?
  • How does the strength of a covalent bond relate to bond length?
  • how does the sun burn if there is no oxygen there?
  • How does the use of the electrons determine the strength of the bond?
  • How does the volume of liquid water change when it turns to water vapor?
  • How does thinner react with paint?Does it go under any chemical reaction?
  • How does UV-vis instrument ( double beam spectrometer)works?
  • How does zinc behave in a chemical reaction with lead acetate?
  • How dose salt melt snow and ice?
  • How easy is it to make MDMA?
  • how egg flotation?
  • How exactly does a colorimeter work? how can you plot a calibration curve from a colorimeter?
  • How fast does cyanide work?
  • How had the periodic table helped us?
  • How hard is it to convert sea water to drinking water on a large scale basis?
  • how has computers influenced fluorescence spectroscopy in the past few years?
  • how hydrogen bomb works and how its differ from an atom bomb?
  • How hydrogen similar and different to metals?
  • How I can dissolve thiobarbituric acid ? In distal water or alcohol?


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