Chemistry Questions and Answers

  • what color will be produced by proline with ninhydrin? why?
  • What colour does carbon turn when an electric charge is put through it??
  • what combination in matchheads that makes it catch fire?
  • What complex is formed when Fe2O3 + H2SO4 react?
  • What component is left and what evaporates when water (H2O) is boiled?
  • What component of beeswax that hydrolyzes to yield palmitic acid and melissyl ?alcohol?
  • what components can crude oil be separated into?
  • What compound could not be a monomer?
  • What compound is CaMnO2?
  • What compounds can be used to absorb ultra violet to protect clear finishes during outdoor exposure?
  • What conclusion can you make about substances that conduct or cannot conduct electricity when dissolved in wat
  • What condition must be true when conducting temperature volume measurements?
  • what conditions inhibits the growth of petroleum-utilizing bacteria in laboratory level.?
  • What contribution did Dimitri Mendeleev make in science?
  • What contribution did the Russian chemist Dmitri Mendeleev make to chemistry? What did he invent?
  • what could cause elevted total protein and alkaline phosphate?
  • what could I.....?
  • What countries produce or mine the element krypton?
  • What country was sodium discovered in?
  • what degrees does water have to be to boil something?
  • what density of mixture of corn and water?
  • what determines a stable or reactive atom?
  • What determines the "broadness" of an OH stretch on an IR spec?
  • What determines the volatility of a compound?
  • what did jj thompson do?
  • what direction do water molecules move across the plasma membrane in both salt water and tap water?
  • what discovery disproved Dalton's Assumption that atoms of the same elements have identical properties?
  • What dissolves erasers?
  • What dissolves in Hydrochloric acid?
  • what distinguishes effusion from diffusion? how are these processes similar?
  • What distinguishes polymers from other giant molecules?
  • What do Acids do? What are they like?
  • What do all of the colored ions have in common?
  • What do atoms forming the ionic and covalent bond have in common?
  • what do i do to concentrate on chemistry?
  • What do Magnesium and Calcium have in common?
  • What do resonance structures represent?
  • What do saturated and unsaturated mean when applied to hydrocarbon?
  • What do the distances(Rf) in chromatography mean?
  • What do the elements in the Carbon Group (group 14) have in common (besides the number of valence electrons)?
  • What do the numbers mean in the following chemicals? Why might they be present in mouthwash?
  • What do these phases mean///////?
  • what do u get when u add HCL+sulphuric acid? i need the products formed...?
  • What do we get when we burn Sodium?
  • What do we use heat for?
  • What do we use to find the age of dinosaur bones and other artifacts older than 60,000 years?
  • What do we use tungsten for?
  • What do you call a reaction between two metals; magnesium and calcium and water, balance equations & formula?
  • What do you call a solution that uses water as the solvent?
  • What do you call that lab equipment used in the distillation of certain mixtures?
  • What do you get when CH3CH2OH and H2SO4 are reacted at 140*C?
  • what do you get when u mix silver acetate and potassium thyocyanate?
  • what do you know about the mole?
  • what do you mean by acidity and alkalinity?
  • What do you mean by homogenized milk?
  • What do you think are 3 indications of chemical change?
  • what do you think will happen or will result to iodine solution for the presence of starch?
  • what does 'Sclerescope Hardness' mean?
  • what does "conyo" mean?
  • What does "standardlizing a solution" mean?
  • What does 1% mean in term of weights in the lab? is it equivelent to 1 gram/100 ml or what?
  • What does 1000u/ml mean?
  • what does 25g of vitamin c dissolved in 1 litre of water give in M?
  • What does 3M concentration mean?
  • What does 43 and 53 grade cement mean?
  • What does 5' mean?
  • What does a compound's formula tell you?
  • what does a flash light have to do with a chemical change?
  • what does a molecule of sapphire need to do to form a larger crystal?
  • what does a yellow color mean for bleach with red cabbage indicator?
  • What does AgNO3 + (Na2)S =?
  • what does an apparatus have to do with a science project and what is it include?
  • What does Barium Chloride reacts with?
  • What does Berkelium react with?
  • What does brownian motion mean?
  • What does chemically active mean and how chemically active is potassium?
  • What does colloidal mean?
  • What does copper smell like?
  • What does electrolytic reduction means?
  • What does fire look like at the molecular level? (What's going on down there when fire happens?)?
  • What does hair consist of?
  • what does hydrochloric acid do to your skin if you touch it?
  • What does hydrogen atom look like?
  • What does it mean concentration raised to the first,second and third power?
  • What does it mean if you get a negative calorimeter constant?
  • What does it mean to say that collisions between ideal gas molecules are "elastic?"?
  • what does it mean when an atom is unstable and stable?
  • what does it take in order for a substance to be considered an acid?
  • What does KOtBu do?
  • What does Mole of compound, moles of element, and atoms of element mean?
  • what does molische test do?
  • What does NH4Cl+MgSO4+NH4OH produce?
  • what does niacin decompose into?
  • What does pH stand for, chemically?
  • What does quantitative reaction mean?
  • What does reactivity mean?
  • what does sodium chloride do with ice cream? what relation does it have with colligative properties?
  • What does Solve Et Coagula mean?
  • what does table salt do to the boiling point of water? what happens to the salt? does it really boil?
  • What does tear gas consist of, material-wise?
  • What does the chemical equation for HCl + a buffer solution look like?
  • What does the position of an element in the Periodic Table tell you?
  • what does the presence of nitrogen compounds in the water indicate ?
  • What does the presence of nitrogen compounds in water indicate?
  • What does the reaction of Chlorine + Sodium Iodide Produce?
  • what does the slope fields look like for the following equations?
  • What does the symbal of ? mean in chemistry (how many meters is it)? It is an A with a tilde above it.?
  • What does the symbol Na+ represent?
  • What does the term"discrete molecule" mean?
  • What does this question mean? Determine the period 3 element that produces each of the following ions.?
  • what does this sentence mean? a substance of a precipitated solution.?
  • What does this statement mean which is from a chem textbook?
  • what does tincture mean on the iodine bottle?
  • What does W/V % of a solution mean? Is it concentration?
  • What doesnt produce a buffer solution?
  • what dose an atomic number give an indication of ?????
  • what dose nuclear power plants run on?
  • what dose steric hindrance mean?
  • What drugs are legal, inexpensive and safe to synthesize?
  • what effect can adding chemicals have on the pond?
  • what effect does detergent have on plants?
  • What effect does the presence of salt have on the boiling point of water and why?
  • What effect does water have on the mass of MgO in a conversion from Mg nitride => Mg oxide?
  • what effect on the boiling point of water is produced by an insoluble foreign substance, such as sand?
  • What effects would adding chemicals have on the pond?
  • what effects would hydrogen bonding have on melting point of a substances?
  • What element conducts electricity at r.t.p?
  • what element forms quartz? and what is the use of quartz?
  • what element has 26 protons?
  • what element is found only in calcite?
  • what element is reduced in the following chemical reaction?
  • What element is steel mainly made from?
  • what element is this?
  • What elements are made of?
  • What elements does potassium form compounds with?
  • what elements make the compound sugar?
  • what energy does burning fuel give off?
  • What enzyme can I use to produce Biodiesel from palm oil?
  • What enzymes has a molecular mass of 266kDa?
  • What equipment would I need when reacting hydrochloric acid with calcium carbonate?
  • what ester is formed when ethanoic acid and propanol react?
  • What evidence of a chemical reaction might you see in the following cases?
  • What exactly does 1:1000 mean when speaking of epinephrine 1:1000?
  • What exactly is a soluble salt? and is there a certain process used to prepare it ?
  • What exactly is an Oxygen Bar?
  • What exactly is the "significance" of the trimyristin extraction from nutmeg experiment?
  • what experiments can i do to teach the class about viscosity?
  • What factor controls the relative volumes of water in each cylinder at equilibrium in this excercise?
  • What factors are responsible for making the molality and molarity values closer?
  • What family is Tungsten in?
  • what feature of a soap molecule gives it cleaning ability?
  • What foods are subject to oxidation? Thanks!!?
  • What foods have large amounts of sodium?
  • What foods is casein kinase 1 made from?
  • What forces hold molecules together?
  • what form of electrolmagnetic radiation has the longest wavelengths?
  • what form of water frezze's faster?
  • what freezes quicker, hot or cold water?
  • What functional group is folic acid part of, and use the chemical structure to explain why?
  • What functional group is folic acid part of, and use the chemical structure to explain why?
  • What functional group is folic acid part of, and use the chemical structure to explain why?
  • What functional group is folic acid part of, and use the chemical structure to explain why?
  • What gas and white solid are produced when Magnesium Chloride is heated?
  • What gas is released when potassium permanganate is decomposed?
  • What gasses are in flatus?
  • what glue it STILL toxic?
  • what happen to a cell if you place it in a pure water solution? why does this happen?
  • what happen when we dissolve sugar in water?
  • What happens at 212 degrees?
  • What happens during COVALENT Chemical bonding at a molecular level?
  • what happens if a acid and base are mixed?
  • What happens if i add vinegar to canned foods? Is a gas produced?
  • What happens if the body makes a 'mistake' in regulating gene expression?
  • what happens if you fuse plotonium with uranium.quick!!!?
  • What happens if?
  • what happens in the brain chemically when you are attracted to someone?
  • what happens in the internal energy of the gas if it expands but does not perform work?
  • what happens to a radioactive isotope that has a half-life of 7,000 years?
  • What happens to an atom when it reaches abouloute zero of 1 kelvin(-272 degrees celiuis)?
  • what happens to food ph when cooked?
  • what happens to proteins at lower pH.?
  • What happens to the light?
  • What happens to the molecules in an onion when cooked?
  • What happens to the pH in water if you boil it?
  • What happens to the pH in water if you boil it?
  • What happens to the Potassium chlorate when it is heated? What is the white substance will be after that?
  • what happens to the water particles?
  • what happens to water and ethanol wen its mixed?
  • what happens to water and hexane wen its mixed?
  • What happens to water when you put pressure on it??
  • what happens when a saturated solution cools?!?
  • what happens when an atom becomes an ion?
  • What happens when Barium Sulfate is heated using a bunsen burner?
  • what happens when diamond is heated above 650C?
  • What happens when KMnO4 is added to C4H10O?
  • what happens when lead nitrate is mixed with distilled water?
  • What happens when liquid nitrogen is heated?
  • What happens when particals of a substance boils? Explain?
  • what happens when phenolphthalein is added to calcium hydroxide then Carbon Dioxide is added to the solution?
  • What happens when platinum meets hydrogen?


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