Chemistry Questions and Answers
Hg metal from HgO?
Hi can someone help me solve these 3 chem problems?
Hi guys.How long would it take for the rust to penetrate a tin can?
Hi i am in 11 grade i wanna prepare aslide show on physics nd chemistry(environmental) as hhw suggest cat can?
Hi i bought this chemistry set and i dont know what to do with it do you know any experements i can do?
Hi people i am here for another chem ques plz help!!?
Hi to all..,Can you give me an investigatory project?.., Plss...?
Hi to all..,Can you give me an investigatory project?.., Plss...?
Hmmm, is there a negative order of reaction?
Hob Gas burning bright orange?
HOMEWORK HELP! is it true that the first living things were probably jellyfish?
Homework help! pls...?
Homework Help...Net Ionic Equations?
Homework question, cant find the answer anywhere: "how are chemical reactions governed by solubility?"
Household items for a specific need?
How can i recycle silver from silver chloride?
How do i work oxidation problems?
How a fire estinguisher works?
How are ferrite, cementite and pearlite formed?
How are leucine, serine and cysteine amino acids similar and different?
How are Phosphorous 32 and Phosphorous 33 different other than half-life?
How are plastics made from petroleum?
How atoms get energy to move about?
How Calculate n(H2) obtained from 1.000 gram of Al. Also, calculate n(H2) obtained from 1.000 gram of Zn.?
How can cells form and survive at first ?
How can heat contain electrons?
How can hydrogen bonds be removed from a sugar?
How can I balance the following chemical equations?
How can i convert human excreta into manure?
How can I draw the Lewis structure for each disaccharide?
How can i encapsulate powders?
How can i extract cellulose from water plants? water hyacinths?
How can i find the mass and volume of a liquid if im given the density of it?
How can i gauge a molecules intermolecular forces, only using the periodic table?
How can i get brown stains off my hands from 1 M Potassium Chromate from chemistryl lab??
How can i get flash powder?
How can I hydrolyze the double bound of Styrene, to obtain Ethyl-benzene?
How can i improve my science investigatory project, "stamp pad ink from used motor oil"?
How can I increase specific Gravity of water from 1 to atleast 1.9.?
How can i learn to use more than 10% of my brain?
How can I make a hydrolysis device?
How can i make a model of a hexagonal closed packed structures?? can u give some hints on its preparation?
How can i make a torch that can burn for hour or more?
How can i make asid split test for emulsion of boron oil?
How can I make sodium acetate? What do you do with the baking soda and the vinegar?
How can i measure the ethanol concentration in a substance?what materials do i need?
How can I prepare a pure dry sample of potassium phosphate?
How can i say that a certain tableware is of Melamine material or Urea?
How can i separate starch from rice??
How can i seperate sugar and salt from water without using any lab apparatus?
How can I tell if something is contaminated with plastic?
How can I test for real gold?
How can I test paper to see if it is acid free?
How can I test this hypothesis?
How can rubbing alcohol illuminate germs?
How can tert-butanol be dried?
How can using moles be useful in doing calculations in stoichiometry? At least two reasons?
How can we change Gold into its monoatomic state?
How can we determine the longest relaxation of molten polymers? Thanks.?
How can we distinguish CH3NHCH3 from CH3(CH2)5CH2NH2?
How can we know that an element is a monoatomic if we only know its proton number?
How can we made algebra and chemistry an easy one?
How can we remove the stink on the crustacean shells?
How can we separate a mixture of salt ,water and sulpher?
How can we use the potassium permanganate as indicator for the purpose of laundry powder demonstration?
How can you detect the level of formaldehyde in the air in a living room from hardwood floors?
How can you extract starch from vegetables, fruits, root crops?
How can you isolate/purify potassium?
How can you melt and combine leftover pieces of handsoap?
How can you tell if a metal is gold?
How can you tell if something is an ionic or covalent bond just by looking at the formula: NaCl, H20, etc...?
How can you tell when a molecule has one triple bond?
How can you test a metal to determin if it is gold?
How come the red and the white lines in the toothpaste never mixed?
How come they tell you not to put batteries in backwards?
How components will seperate in hplc column & what do you mean by polarity?
How could Hansen solubility parameter be determined ?
How could I "prove" that "DELTA E" is a state function..?
How could i produce a rose with the color black?
How could some of the elements in the periodic table could be made, when they are an "element"?
How could the radius of Hansen solubility parameter determined??
How could you determine the specific halogen present in yout test compound after fusion?
How could you prove that a catalyst does not react during a chemical reaction?
How could you separate a mixture of gravel and sand?
How did avogadro dicover the avogadro number?
How did each of the following people contribute to the DNA molocule?
How did fire, water, earth, and air delayed the advancement of scientific thought in chemistry?
How did Newland know the true atomic weight of Beryllium(9¬13.5),before Mendeleev corrected it?
How did u complete this equation Fe2(SO4)3+Ba(OH)2-------?
How do atoms and molecules form solids?
How do cholesterol remodeled to become compounds of vitamin d?
How do coloured pencils get their colours? do they add in coloured dyes to the graphite and clay?
How do compounds differ from mixtures in terms of composition?
How do compounds form acids in solutions and what kinds of compounds tend to do so?
How do conversions involving volumes (ft3 to m3) differ from standard conversions (ft to m)?
How do crack and cocaine differ?
How do crosslinkers work?
How Do Glow Sticks Work? And How Are They Not Toxic?
How do green flames work on lighters?
How do i assemble a simple closed circuit? what is the chemistry behind it?
How do I balance and find net ionic equation for Cu(NO3)2*3H2O+Na3PO4*12H2O and Fe(NO3)3*9H2O+Na3PO4*12H2O?
How do i balance this equation P4(s)+O2(g)=P4O10?
How do I calculate the net chage on a Aspartate molecule at a particular ph (ex. 1.0, 3.0, 6.0, 11.0)?
How do I calculate theoretical yield here?
How do i concentrate hydrogen peroxide?
How do I convert .0572 mg/mL to ng/L?
How do I convert from Molarity to Molality?
How do I determine how many anions or cations are in an equation??
How do i determine the higher boiling point between molecules?
How do i determine the molecular formula of an unknown compound?
How do I dilute a 50% NaOH solution to a 3 molar solution?
How do I draw a "dot and cross" diagram to show the chemical bonds?
How do i figure out the Molarity (moles/liter) with the following data?
How do i find hydrogen ion concentration in mol l-1 when0.32g of nitric acid in water to make 0.050l of final?
How do i find the empirical formula if i have the molecular formula?
How do i find the formula for this compound?
How do i find the number of moles of an element if the number of atoms is given?
How do i find the number of valence electrons in an atom?
How do i found einecs no. of reactive dyes ?
How Do I Get The Gold Out Of Borax "Glass"?
How do I go about working this problem out? Through limiting reagent type problems? If so how exactly?
How do I insert a delta (triangle) and a degree sign?
How do i know when to use grams or milligrams in calculations?
How do I make [NH3]=[NH4]=1, that is how would I make a solution in which the ammonia and ammonium concentrati
HOW DO I MAKE a ZERO POINT ENERGY BATTERY?
How do i make bio diesel from used sunflower/vegetable oil?
How do I make gunpowder burn faster?
How do I make my own water-based lubricant?
How do I make the gel found in keyboard wrist pads, or where can I find a manufacturer?
How do i make up 10mM of acetic acid(ethanoic acid)?
How do I memorize the periodic table by their groups and properties, and individual atomic #, atomic weight?
How do I mix a 2% solution of boric acid?
How do i prepare potassium phosphate?
How do I rewrite equations as ionic equations? Somebody help me pls?
How do I transform a liquid substance into gel( like a toothpaste gel)?
How do I work out the molar mass of HNO3?
How do ionic bonds, covalent bonds, and polar bonds differ?
How do paper poper work?
How do the chemical characteristics of the elements in a period change from left to right across the periodic?
How do the volumes of water displaced by each sample compare? Explain?
How do they freeze carbon dioxide to make dry ice?
How do they get nuclear fission to take place in a Reactor?
How do u determine the concentration of hydrochloric acid by thermochemistry?
How do we compute for a mole in a specific substance?
How do we determine the concentratin of a substance by thermochemistry?
How do we distinguish the three types of mixture?
How do we find grams of water per 100g hydrate, then mumber of moles of water?
How do we say that CH3COOH (acetic acid-vinegar) is a acid when it contains OH atoms ( a quality of bases)?
How do you account fir the observed solubility of naphthalene?
How do you balance chemical formulas?
How do you balance the following equation? I4O9(s) I2O6(s)+ I2(s)+O2(g)?
How do you balance this equation and what type of chemical reaction is it?
How do you balance this skeloton equation?
How do you calculate the average atomic mass of lead?
How do you calculate the mass..involve Avogadro's number?
How do you calculate the moles of these problem?
How do you calculate the salt content of a water sample if u have 480mg/L of chloride and 291mg/L of sodium?
How do you compute for the npk formulation in fertilizers?
How do you create a salinity standard solution?
How do you create oxygen from carbon dioxide?
How do you de-ionize water?
How do you determine the boiling point of a liquid using the Clausius-Clapeyron equation?
How do you determine the neutrons in an element, the protons in an element, as well as charge and mass?
How do you do HETP calculations?
How do you do this Chem problems...please help,thanks?
How do you do this word problem, help me out please?
How do you express orthophosphate as a value of total Phosphorous?
How do you extract chitin from mushrooms?
How do you figure out the molarity of a solution if the only information you have is the volume?
How do you find the atomic mass of an unstable isotope?
How do you find the catalyst in thermochemical equations?
How do you find the concentration in ppm?
How do you find the intermediates in a reaction?
How do you find the volume of a substance?
How do you freeze a glass of water to the tabletop?
How do you get teflon to stick to a skillet if nothing sticks to teflon?
How do you get the CO2 canister out of a can of whipped cream?
How do you know if its homogenous or heterogenous mixture?
How do you make a glow in the dark solution from household items?
How do you make a molotov cocktail?
How do you make fuses without gunpowder??
How do you make gun powder?
How do you make HHO?
How do you make methyl alcohol from methane gas?
How do you make sugar from carbon, hydrogen and oxygen?
How do you manufacture solid alcohol cooking fuel?
How do you name a compound that is an alcohol and an alkene? example: CH3CH=CHCH2CH2OH?
How do you potty train a rabbit?
How do you prepare a crucible and cover for lab use?
How do you prepare an ester in the lab using alcohols?
How do you prevent freezer burn(ice crystals) after you open an ice cream container?
How do you separate a heterogeneous mixture of zinc powder, mercury, sulfur and iron?
How do you seperate the hydrogen and oxygen atoms in water?
How do you seperate these folowing mixtures?
How do you set up a filtration system (gravity and vacuum)?
How do you set up an ice bath for chemistry lab?
How do you solve this Chem word problem?
How do you use a watch glass in titration?