Chemistry Questions and Answers

  • List the ionic and molecular species present in 1.00 L of pure water at 25C?
  • List three things that affect chemical equilibrium...ASAP please?
  • List two kinds of ions that are in greatest concentration in a solution of a strong base?
  • Lithium Fluoride is an ionic compound. What are the likely values of its melting and boiling points?
  • Lithium is ----------------------- than any other alkali metal?
  • Lithium, Beryllium, Sodium, Magnesium are neighbors on the periodic table?
  • Long Question: I don't even know where to begin?
  • Looking for a bit of guidance for a balanced chemical equation for Beryllium Carbide when reacted with H2O?
  • Looking for a substance/solution/mixture with the following characteristics?
  • Looking for article about some sort of liquid that was dry, but looked like water. It was in Popular Science.?
  • Looking for chemicals to lower sulfur in diesel(environment friendly)?
  • Looking for chemistry lab report regarding reactions of baking soda with water,vinegar,7 up,cream of tartar?
  • Lower explosive limit help please?
  • LSD natural vs. Man made?
  • Macrocyclic ring strucure?
  • Magic chemistry?
  • Magnesium and copper metals are heated directly over a flame.Which of the two will burn in the air?
  • Magnesium and hydrochloric acid produces hydrogen gas. When you bal equation, what is the coefficient for HCl?
  • Magnesium oxide?
  • Magnesium..?
  • Major hornyness!?
  • Major in Chem?
  • Making elements?
  • Making the Perfect Candle?
  • Malonic acid HO2CCH2CO2H is diprotic. The pKa for the first proton is 2.83, the Pka for the second proton is 5
  • Man die and so is fire. Where does fire go when they die?
  • Manometer problem help!!!?
  • Many biological cells are killed if they are placed in ocean water because...?
  • Many science questions, help?
  • Marble and chalk are both calcium carbonate, but why marble is harder than chalk?
  • Mass % of lactose?
  • Mass mass percent concentration of a solution 1.7L ethylene glycol (density: 1, 14 g/ml)in 7, 5 L of propyle?
  • Mass of 1,2-dibromoethane formed from reaction of 10.4g of ethene with excess bromine??
  • Mass of ethyl methanoate formed from reaction of 12.4g of methanoic acid with excess ethanol?
  • Mass of nitrogen dioxide is formed..?
  • Mass of sodium?
  • Mass percent of MgCO3路3H2O?
  • Mass, Concentration and volume questions?
  • Match and spray flame thrower?
  • Match the molecule with its type of molecules?
  • Math help.?
  • Math/Chemistry Question- Brand A has density of 1/2 g/ml @ $5.00 a quart...?
  • Maximum possible information regarding atom & subatomic particles?
  • MCAT practice question on Nuclear Emissions?
  • Meaning of presumptively positive?
  • Measuring dry ounces??
  • Measuring very small concentrations such as pollution, we use?
  • Medical Cold Packs Investigation?
  • Melting Ice?
  • Melting Ice?
  • Melting Point of Plastic?
  • Melting points in ionic bonding?
  • Member since: May 01, 2006?
  • Mendeleev arranged the elements in order of __________ _____ and also put them in groups based on similar____
  • Mentos and diet coke eruption?
  • Mercaptan and Polypropylene?
  • Mercuration?
  • Metallurgy?
  • Metals react with oxygen to....?
  • Method for making SilverOxide in the lab?
  • Method for making SilverOxide in the lab?
  • Methods used to add a natural food colour to a food product?
  • Mg+H2SO4=?
  • Mg3N2(s) + H2O ----> Mg(OH)2 + NH3?
  • Microbiolgy help please?
  • Microbiolgy help?
  • Microwave Extraction?
  • Milk mass and volume?
  • Milk sugar is also known as?
  • Minimum volume of water?
  • Miscible and immiscible refer to?
  • MISCIBLE in chemistry?
  • Miscible or not?
  • Mixing a citronella candle and lighter fluid?
  • Mixing Boran & Steam produces Hydrogen and the compound?
  • Mixing Vinigar and Baking Soda?
  • Mixture of salt (NaCl) and sugar (C12H22O11) contains 40.0% chlorine by mass. Calculate the mass of NaCl ?
  • ML necessary to precipitate...?
  • MnO-4 + I- 鈫扢nO2-4 + IO2- (basic solution) balance using the half reaction method?
  • Models on future fuels in vision 2020 year.?
  • Molality Question?
  • Molar heat of vaporization of water lab?
  • Molar mass and molar freezing point?
  • Molar mass gas problem?
  • Molar mass of ideal gas... IDEAL GAS LAW?
  • Molar mass question?
  • Molar mass?
  • Molar Mass?!! Chemestry?
  • Molar solubility chem question: Calculate the molar solubility of Cd(Oh)2, w/ a Ksp=5.9 x 10 to the -15?
  • Molar volume law...stuff...?
  • Molar volume question (equation to find answer)?
  • Molar volume, temperature and pressure?
  • Molarity Calculations.?
  • Molarity concentration?
  • Molarity help?
  • Molarity help?
  • Molarity is ....?
  • Molarity of a solution?
  • Molarity of a Solution?
  • Molarity of acid solution?
  • Molarity of NaOH solution?
  • Molarity of undiluted bleach with respect to sodium hypochlorite?
  • Molarity Problem, calculating molarity in solution?
  • Molarity problem, need help?
  • Molarity question...?
  • Molarity Question?
  • Molarity Questions?
  • Molarity word problem?
  • Molarity!!?
  • Molarity, molality, and density?
  • Molarity. PLEEEEEEAASEE help me!?
  • Molarity...?
  • Molarity: how do i solve this?
  • Mole concept?
  • Mole fraction?
  • Mole Fractions. Please help!?
  • Mole Problem?
  • Mole Ratio & Limiting Reactant?
  • Mole ratio...?
  • Molecular and net ionic equation for cadmium sulfide and sulfuric acid?
  • Molecular compounds?
  • Molecular formula C4H10O?
  • Molecular formula for chemistry in Redox Stoichiometry?
  • Molecular formula for the following:?
  • Molecular formula of..?
  • Molecular formula question?
  • Molecular formula?
  • Molecular geometry&bond angle?
  • Molecular Geometry?
  • Molecular Iodine symbol?
  • Molecular mass.?
  • Molecular models of atoms...?
  • Molecular moldels of atoms question (should be fairly easy if you know chem)?
  • Molecular orbital theory ...?
  • Molecular Orbital Theory Help?
  • Molecular polarity?
  • Molecular structure of hydrated copper sulphate ?
  • Molecular versus Electron pair geometry?
  • Molecules Ester Aldehydes Ketones?
  • Molecules that have both polar and nonpolar regions:?
  • Molecules/Acids/Hydrocarbins?
  • Moles help?
  • Moles of gas?
  • Moles of H ions?
  • Moles question...?
  • Moles-working out no of moles present?
  • More biochem questions?
  • More Bronsted-Lowry help?
  • More chem help??
  • More chem questions...?
  • More chem questions?
  • More chem??
  • More chemistry !?
  • More Chemistry Help Please!!?
  • More Chemistry Help!?
  • More Chemistry Help??
  • More Chemistry Help??
  • More chemistry questions?
  • More chemisty questions!!?
  • More protons less soluble?
  • More questions on periodic table?
  • More science help!?
  • Morphine molecule where do i find it?
  • Most community water supplies have 0.5 ppm of chlorine added for purification. ...?
  • Most liquid fertilizers are either...?
  • Most radioactive material?
  • Most stable 3-D arrangement for..?
  • Most uncommon chemical elements?
  • Mothballs, Uses?
  • Moving from left to right and from low to high pressure, waht is the sequence of phase transitions?
  • Much of the volume occupied by a gas is empty space. This explains which characteristic of gases?
  • Multi- valent metals are ones that:?
  • Multi-choice Q: THe chemical energy stored in a plant is an example of a type of:?
  • Multi-choice Q: The chemical formula for table salt is NaCI(sodium chloride). This is an what compound?
  • Multiple choice help please?
  • Multiple choice question about some stuffs?
  • Multiple choice question?
  • Multiple Choice Questions?
  • My question is related to chemistry ?
  • My best question?
  • My boyfriend just mixed a 9 volt battery, magnets and salt in a container of water?
  • My Butane lighter?
  • Na2CO3 + 4C + N2 ---> 2NaCN + 3 CO (Please help hard Stoichiometry problem)?
  • NADH has an E340=9.5 ml.mg^-1.cm^-1. what is its molar extinction coefficient? mol mass NADH=665?
  • Name the solid that breaks easily?
  • Name a naturally occurring polymer.?
  • Name a nitrate which decomposes to form laughing gas and water?
  • Name a nitrate which decomposes to produce laughing gas and water?
  • Name an ionic equation for the reaction whick takes place at the cathode?
  • Name following acids? HNO3 and HBR?
  • Name of a person who digs under the ground for metal ores?
  • Name of a person who makes objects from metals?
  • Name of compund?
  • Name of cycloadduct..?
  • Name some materials used as insulative foam.what is their composition.which plastic?
  • Name some wind energy farms in India? Does global warming effect wind energy?
  • Name the chemical present in common salt which makes it wet in rainy season?
  • Name the compound made by combining lithium and nitrogen?
  • Name the crytalline forms of carbon?
  • Name the crytalline forms of carbon?


  • Page [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] [83] [84] [85] [86] [87] [88] [89] [90] [91] [92] [93] [94] [95] [96] [97] [98] [99] [100] [101] [102] [103] [104] [105] [106] [107] [108] [109] [110] [111] [112] [113] [114] [115] [116] [117] [118] [119] [120] [121] [122] [123] [124] [125] [126] [127] [128] [129] [130] [131] [132] [133] [134] [135] [136] [137] [138] [139] [140] [141] [142] [143] [144] [145] [146] [147] [148] [149] [150] [151] [152] [153] [154] [155] [156] [157] [158] [159] [160] [161] [162] [163] [164] [165] [166] [167] [168] [169]