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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: When snow melts what happens to temp
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Q: What is caused by the increased nitrate levels
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Q: What is the color of phenolphthalein in baking powder
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Q: Why it is necessary to raise the temperature of some fuel oils
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Q: Suppose a gas is kept in a closed rigid container if the temperature of the gas increased what happens to its pressure on the container
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Q: Why is germanium more metallic than silicon
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Q: What will react with alcoholic silver nitrate
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Q: What does K 19 and 39.098 represent on a periodic table
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Q: Why oxygen molecules do not across a cell membrane while glucose molecules do not
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Q: What element is used to paint the skin to prevent I fection from cuts and scratches
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Q: What is the ratio of the phosphorus to oxygen form a compound with the formula p2o5 what is the ratio of phosphorus atoms to oxygen atom bin the compound
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Q: What is the oxidation number of group 17 elements
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Q: How many hydrogen atoms are in 7.20 mol of ammonium sulfide
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Q: How many grams of CoCl2 6H2O are needed to prepare 50.0ml of a 0.30M CoCl2 solution
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Q: What breaks down human waste
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Q: Are all nonmetals liquids or matter
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Q: What family does germanium belong to in the periodic table
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Q: What is the name of the chemical formula Ca3N2
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Q: Is a bowl of cereal a chemical change or a physical change
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Q: Is jello an endothermic change or exothermic change
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Q: How many bonds do phosphorus form
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Q: Can you please-Compare the melting points of substances that are gases at room temperature with solids and liquids
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Q: What happens to the pH of an acidic solution if pure water is added
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Q: What is the differences between saturated and unsaturated fatty acid
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Q: What element is used in a hot air balloon
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Q: One gallon of LNG weighs what
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Q: What is the process called when butter melts and the turns to a solid
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Q: How does Argon displace oxygen- and moisture-containing air
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Q: How many bonds does each silicon atom make
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Q: Why does fluorine have higher charge than iodine
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Q: Is CrO3 ionic or covalent
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Q: Is soapy water a base or acidic
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Q: The chemical elements in a non reducing sugar
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Q: Is carbonated soda an acid or an alkali
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Q: How does the number of hydrogen ions compare to the number of hydroxide ions
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Q: What are the advantages of pewter casting at a low temperature
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Q: What cations will form a precipitate when mixed with a solution of sodium hydroxide NaOH K Mg or Na Ions
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Q: How do you make higher viscosity of liquid soap
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Q: Why is it necessary to cover the developing chamber tightly during the development of the chromatography
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Q: What will be state of sodium chloride at 100 degrees celsius
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Q: What specialist in the study of substance by mining
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Q: What is the definition of comparative biochemistry
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Q: What are standard solutions used for in the industries
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Q: Staw can be turned into gold
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