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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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Questions
Q: What did Aristotle believe about the atom
1 answer
Q: Chlorine has seven electrons in its valence shell. It accepts an electron to complete its octet and becomes a chlorine ion (Cl-). What is the nature of this chlorine ion
1 answer
Q: Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder.
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Q: Why is carbon is considered tetravalent
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Q: A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas
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Q: A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas below
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Q: Cyanide is hestorically found in the following except
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Q: What do the backbones of some compounds have hundreds or thousands of
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Q: What is substance made of two or more elements that have been chemically combined called
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Q: Many metals are described as ductile which means they can be .
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Q: Which matter particle has 34 protons and 36 electrons in the following configuration 1 s 22 s 22 p 63 s 23 p 64 s 24 p 6
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Q: Nitrogen trifluoride covalent or ionic
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Q: How many ATP molecules can be obtained from a fatty acid that has 20 carbons
1 answer
Q: Is beryllium bromine ionic or covalent
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Q: Is xenon trioxide a ionic or covalent
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Q: WHAT CHEMICAL shows the relative number of atoms of each element in a compound.
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Q: Is sulfur techrachloride a ionic or covalent
1 answer
Q: Is dinitrogen monoxide a ionic or covalent
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Q: What is indicator which has no color with the acidic medium
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Q: How many deaths are related to cannabis
1 answer
Q: If the temperature of the reactants is lower is the reaction rate lower
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Q: Undissolved particles spread throughout a liquid are called
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Q: What is the chemical name of VCI3
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Q: Language of analytical chemistry
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Q: How many oxygen molecules O2 are in 2.56 grams of O2
6 answers
Q: Why ammonia is used to make blue print of map
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Q: Does silicon and nitrogen form covalent bonds
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Q: Does Mg and O form covalent bonds
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Q: What is the charge of the copper in the compound CuCl exponent 2
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Q: Although air is full of nitrogen it is not available for organisms to readily use. What is nitrogen changed into before being used by living things
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Q: The act of changing from liquid to gas
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Q: The state of matter where molecules are packed tightly
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Q: Vesicant agents include all of following except
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Q: What color tube fora1c
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Q: Converting nitrogen from a gas to a usable form by bacteria is
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Q: A blank is a solid formed from liquid reactants during a chemical reaction
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Q: A blank reaction is a reaction in which energy is absorbed
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Q: A scientist uses an instrument to observe the pattern of molecules in a substance. The picture below shows what the scientist
1 answer
Q: Is trail mix a pure substance or mixture
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Q: What is the mass of 8.1g of zinc oxide
1 answer
Q: Water obtained from natural resources does not show neutral pH. What is the reason behind this
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Q: Carbon-12 and carbon-14 are examples of
1 answer
Q: Boiling point of polar molecule
2 answers
Q: The formula for sodium carbonate is Na and Euml and AtildeCO and Euml and Auml. Figure the molar mass of sodium carbonate to the nearest gram.
1 answer
Q: A scientist wants to test how much of an acid can be added to a solution before the pH of the solution changes to below a certain point. The starting pH of the solution is 6.0 and the scientist wants
1 answer
Q: What type of particle inside an atom has one unit of negative electrical charge
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Q: Is the reaction between citric acid and sodium hydrogencarbonate endothermic
1 answer
Q: Nutrients in detergents
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Q: Polar and nonpolar arrangements are what type of bond
1 answer
Q: What are the metabolic processes involved in the conversion of fatty acids to ATP
1 answer
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