Chemistry Questions and Answers

  • Two chemistry questions regarding solubility?
  • Two chemistry questions?
  • Two Chemistry Questions?
  • Two liquids that demonstrate the law of multiple proportions?
  • Two question in chemistery?
  • Two questions w/ percentage yield?
  • Two questions?
  • Two quick questions please!?
  • Type of aluminum metals?
  • Uh, I need help with this.?
  • Um one more chem question! please please help?
  • Um, I guess I need some help?
  • Under what conditions might too much copper go into solution?
  • Unit conversion?
  • Unit Conversions?
  • Up for a challenge?
  • Urgent Chem Help?
  • URGENT titration lab with NaOH as the base and acetic acid as the acidIm asked to find molarity of acetic acid
  • Urgent! bond pair (chemistry)?
  • Urgent, plz..about precipitate!?~~?
  • Usage of ethanol and hexane mixture?
  • Use a standard reduction potential table to choose a reagent that is capable of each of the following reaction
  • Use Le Chatelier's Principle to explain the change in pH observed when NH4C1 is added to an NH3 solution?
  • Use Le Chatelier's principle to explain why low pressure is used in the freeze-drying process?
  • Use of boric acid powder on animals ears?
  • Use the following data to estimate Hf掳 for sodium chloride.?
  • Use the following reduction potentials to identify a substance that?
  • Use this reaction for the following questions:?
  • Use VSEPR theory, predict and explain the bond angle between the iodine atoms in OI2?
  • Uses of covalent compounds in day to day life.?
  • Uses of ionic compounds in day to day life.?
  • Uses of titanium steel and manganese steel and 'mild' steel?
  • USES OF? Help!?!?
  • Using butene as an example, distinguish between structural and geometrical isomers?
  • Using dimensional analysis how man KPa is in 500 mm Hg?
  • Using earthen pitcher can coll water? give reason?
  • Using Einstein's expression for the mass equivalence of energy, E = mc^2, express the wavelength of an electro
  • Using electronegativity, predict, explain and arrange in order of decreasing polarity the following...?
  • Using electronegativity?
  • Using pv=nrt how do you find solve for v?
  • Using the appropriate equations indicate whether a solution of potassium chlorite is acidic, basic or neutral.
  • Using the change-in-oxidation-number method balance...?
  • Using the mass numbers given on the periodic table, determine the molar mass of manganese (IV) phosphate?
  • Using the VSEPR theory, which of the following molecules exhibit bent (angular) molecular geometry.?
  • Using thermodynamic principles governing polymers explain why acetone will dissolve polyvinylchloride?
  • Using VSEPR theory, predict and explain the bond angles in BCl3 and SbF3?
  • Using VSEPR theory, predict and explain the molecular structures of PbF4 and H2Se?
  • Using VSEPR,theory, draw the structures for: NF3 and PI3?
  • Using which crystallization process (melt or solution) i can separate ortho, para & meta nitrotoluenes.?
  • UV degradation on polymer chains?
  • Valence Electrons and Total Electrons in Sucrose..?
  • Value of the m位 quantum number?
  • Value of the rate constant... 2 questions?
  • Value of the 位 quantum number?
  • Van Der Waals force increases as the size of the ion increases? why so? thanks for answering!?
  • Vanadium Slag - sources?
  • Vapour Pressure of Solutions?
  • Various types of petrol available,their effeciency and composition?
  • Vaseline or KY?
  • Vertical columns in the Periodic Table are known as Groups or Chemical ____________.?
  • Very confusing question please help with calculations and answers.?
  • Very easy question for you?
  • Vinegar or Oil?
  • Vinegar, how is it made?
  • Vitamin break down and chemical relation ships?
  • Vmax=96 U/millilitre and the concentration of enzyme in assay is 0.11 umol/mL.How do i calculate kcat in s-1?
  • Voltage of a cell?
  • Volume calculation?
  • Volume problem?
  • Volume/mass problems... =/?
  • Volume??????
  • VSEPR theory .?
  • VSEPR theory?
  • VSEPR theory?
  • VSPER Question: Explain why a tetrahedral has smaller bond angles than trigonal planar?
  • Wad is e reduction half-reaction for dichromate ion when it oxidises the organic matter present in wastewater?
  • Waht salt do i get if i mix the [Acetic] Acid and the [Lithium Hydroxide] BAse?
  • Want information on new allotrope of carbon (fullerenes).?
  • Want some materials on nanochemistry where i get in net?
  • Was Nietzsche right when he said "God is Dead?"?
  • Wassup !!?
  • Wat does a lewis dot structure of gold look like?
  • Wat is the diff between covalent bond & Van Der Waals forces??
  • Wat is the reaction mechanism of the acetylation of p-aminophenol with acetic anhydride?
  • Wat is the space in which electrons travel around the nucleus called?
  • Wat is zinc + lead (11) nitrate yield zinc nitrate + lead?
  • Wat r the long term benefits and disadvantages to synfuel?
  • Wat r the uses and applications of chemistry?
  • Wat volum of solution is needed to dissolve 1mol of a strong base like KOH to make a solution whose pH is 12.5
  • Water can be decomposed by electrolysis into hydrogen gas and oxygen gas. What mass of water must decompose...
  • Water can exist at zero degree as liquid at what conditions?
  • Water h2o liquid?
  • Water Hardness?
  • Water is neutral?
  • Water pollution!!?
  • Water reactivity?
  • Water taste bitter after using AQUAGUARD water purifier ?
  • Water Water?
  • Wavelenghth Q?
  • Wavelength energy?
  • Wavelength of sodium flame?
  • Wavelengths and frequencys?
  • We all know that paris hilton dated a dude named Paris. What's the chances 2 Paris' could live a happy life?
  • We can convert grams to mol by using??
  • We commonly encounter carbonic acid in our daily lives as?
  • Weak Acid/Base Question?
  • Weak acids and bases ________________ ionize in a solvent?
  • Weak Base-Strong Acid?
  • Weak electrolyte when dissolved in water?
  • Weak nitric acid waste treatement and environmental consideration ?
  • Weak tea is a _____?
  • Weak tea is an example of a?
  • Weaker base?
  • Weird Water!?
  • Were can i find information about Nickel Metal??
  • We're doing a research project.. please help!?
  • We've know that when a H2O bond with a H+, it forms H3O+.but what happens when H3O+ bond with another H+?
  • Wha is the mass of sodium sulphit heptahydrate?
  • What caustic affects does fresh lemon have if applied on car paint.?
  • What function of potassium phosphate and magnesium (ii) chloride in incubation of glucose and water mixture?
  • What 2 functional groups combine to form a carboxylic acid?
  • What 2 substances ad together to make hydrogen gas?
  • What 2 substances add together to make hydrogen gas?
  • What 3 minerals do you need in large amounts?
  • What 3 things are conserved in a balanced chemical equasion?
  • What a 3 conditions that a voltmeter would read 0?
  • What about converting grams to moles?
  • What about the Haber process?
  • What acid and base would react to form sodium phosphate?
  • What activities in everyday life involves transformation of matter?
  • What allows us to determine the temperature on Earth thousands or even millions of years ago?
  • What allows us to determine the temperature on Earth thousands or even millions of years ago?
  • What amont of water would change by 15 degrees Celsius when it absorbs 2646 Joules?
  • What amount in moles of a strong acid such as HBr must be dissolved in 1.00L of water to prepare a solution...
  • What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 11.5 gram sam
  • What amount of NH4Cl/NH4Oh is required to prepare a 0.100 mol/L ammonia buffer of pH 7.7. Kb is of NH4OH is?
  • What apparatus can i use to collect gas?
  • What are the brownish shiny metals that dont react with water when put into water?
  • What are "organic compounds"?
  • What are 3 careers that directly use Chemistry?
  • What Are 3 Elements that occur as pure substances in nature?
  • What are 3 examples of antioxidants?
  • What are 4 characteristics of basic substances and 4 characteristics of acidic substances?
  • What are 5 similarities between amorphous solids and crstalline solids?
  • What are a few good things i need to know about pressure?
  • What are alkaline earth borons?
  • What are all the isomers of C4 H11 N ?
  • What are amino acids?
  • What are at least 5 characteristic properties of matter?
  • What are biomaterials? what are they made of? How do they work out on the body?
  • What are biotrodes?
  • What are bohr's atomic theory?
  • What are bond angles?
  • What are cathode rays?
  • What are Chemical Parameters? i need to know for my assignment about water quality?
  • What are colours imparted by s block element to flame of bunsen burner ??
  • What are combustion particles?
  • What are compoun?give any 10 examples?
  • What are different branches in chemistry?
  • What are different careers in chemistry and what do they do?
  • What are examples of chemical changes?
  • What are examples of insoluble bases? Can they be reacted with acids to form products?
  • What are examples of monoprotic, diprotic, and triprotic acids?
  • What are examples of some substances and their states of matter?
  • What are five chemical properties for helium?
  • What are fractal patterns?
  • What are frankincense and myrrh?
  • What are garden crystals?
  • What are giant covalent, ionic structures?
  • What are good experiments for school like a demonstration for school?
  • What are important chemistry theories that one should know for a finale?
  • What are inactive metals?
  • What are interesting facts about nonmetals??
  • What are main methods used to achieve gas liquefaction?
  • What are other uses of potassium permanganate?
  • What are petroleum's constituents?
  • What are pressure's effect on alcohol when burning it?
  • What are reaction rates based on?
  • What are reporter enzymes, in context of immunoassays?
  • What are selfmarkers made of?
  • What are silver nitrate electrolysis producyions and how does PH change after electolysis?
  • What are six items romeo would use everyday in verona?
  • What are some substance acids or bases that can be found in a home?
  • What are some advantages and disadvantages of chemistry in our life?
  • What are some Characteristcs of refraction?
  • What are some characteristics of each different types of reactors in this reaction?
  • What are some chemical properties of benzene?
  • What are some common characteristics of the each of the different types of reactants for this reaction?
  • What are some common uses for Phosphorus?
  • What are some everyday household items that conduct electricity?
  • What are some example of common Esters which have 8 or more carbons?
  • What are some examples of solid solutions?
  • What are some foods with esters in them?
  • What are some good applications of nuclear radiation?
  • What are some good books/web-sites for a total newbie to learn about the basics of chemistry?
  • What are some good chemical process simulators?
  • What are some good qeustions about petroleum?
  • What are some good study techniques for Chemistry 151? Im taking it in four and half weeks?
  • What are some importance of chemistry to society?
  • What are some interesting facts about environmental chemistry?


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