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Chemistry
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: What is absorb in a sentence
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Q: Do Fish give off the compound ammonia which has pH above 7. To which class of compounds does ammonia belong
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Q: Why does molecules appear in boldface
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Q: What are two chemical reactions that require energy in order to occur
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Q: Is Bal2 a covalent compound
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Q: What color pH paper will turn in Tonic water
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Q: What is nitrogen a major componet of
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Q: How can the student make quantitative observations of the CO2 collected in the balloons
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Q: When energy is absorbed or released is it chemical or physical change
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Q: How many atoms of each element make up 2 CoCl2(aq)
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Q: Is NaO a ionic compound
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Q: What is the chemical formula for phosphonic acid
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Q: If an atom of germanium has a mass number of 70 and an atomic number of 32 how many neutrons are in the nucleus
7 answers
Q: What outcome results when a liquid is heated
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Q: What are the special proteins that can break large molecules into small molecules
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Q: What breaks fats into fatty acids and glycerol
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Q: Is heavy water radioactive
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Q: What 9 letter word is solid changing to a gas
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Q: What USB connector types is reversible
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Q: What is the different between firewood and coal
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Q: What is the correct equilibrium expression for the dissolution of calcium phosphate Ca3(PO4) water
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Q: HOW do temperature of ocean water affect oxygen levels in water
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Q: Why does the color of iced tea changes when ice melts
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Q: What compounds is known as acetic acid
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Q: What do you notice of the two molicules
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Q: What happens when you light petroleum and bleach
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Q: Why is the carbon dioxide molecule straight
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Q: What describes testing a substance for flammability
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Q: Is carbon tetrahydride Molecular or ionic
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Q: What indoor pollutant is colorless odorless gas that forms when wood coal oil or gas are incompletely burned
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Q: How iron ii sulphate reacts with hydrochloric
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Q: What material can cope with 300 degrees in a fire
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Q: What is the virtue of the same element existing in nature in more than one crystal form
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Q: Is dissolving glucose in water endothermic reaction
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Q: How much natural gas is required to produce a ton of ammonia
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Q: How many significant figures does 2370.0 have
4 answers
Q: What is condensation explain on a molecular level
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Q: What is a 110 pound (net weight) package of aluminum phosphide is regulated as what
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Q: Why do ionic compounds dissolves in water
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Q: In terms of chemical bonds and electrons what kinds of changes occur between atoms when substances undergo chemical reactions
2 answers
Q: How many argon (Ar) atoms are there in 1.5 x 102 g if argon
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Q: Is CsOH a molecular compound or ionic
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Q: Will the pH increase decrease or remain the same if the concentration of weak bases increases
1 answer
Q: What is the mass of aluminum metal that reacts to give 1.5 g of hydrogen gas 2 Al(s) plus 6 HCl(aq) 2 AlCl3(aq) plus 3 H2(g)
1 answer
Q: How does the temperature of the freezing point of lauric acid compare with the melting point temperature of the same substance as indicated on the graph
2 answers
Q: How have chemists improved on natural glues and adhesives
1 answer
Q: What is the chemical equation of acetaldehyde and Tollen's reagent
8 answers
Q: Is NaBrO4 acid or base
2 answers
Q: How why does a white shirt look white
1 answer
Q: What are shell and frame structures sometimes with geodesic form
3 answers
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