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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: What is the chemical bond for silicon dioxide
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Q: In element bromine what ion is it most likely to form in compounds
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Q: 36) Victims caught in a fire have inhaled toxic smoke from furnishings and plastics that have released cyanide in the burning process. What precautionside effects should you be aware of when administe
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Q: How does glucose concentration affect active transport
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Q: List and briefly define the functional groups of signal lines for PCI.
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Q: What in the breath you exhaled into the beaker caused the solution to become acidic and go from pink to clear
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Q: A child most likely in positive nitrogen balance
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Q: How do you write a balanced equation for the precipitation of calcium carbonate from potassium carbonate and calcium chloride
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Q: Why might alchemists have though they could turn other metals into gold
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Q: Is sodium nitrate soluble in hot or cold water
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Q: Methanol action on red litmus paper
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Q: What does water carbon dioxide salt have in common
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Q: Is reacts with acid a physical and chemical property
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Q: At room temperature the greatest attractive forces exist between particles of
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Q: At a given temperature and pressure the physical state of a substance is determined by
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Q: Metals tend to appear on the side of the periodic table with the exception of which is a nonmetal.
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Q: How many sodium atoms are there in one molecule of baking soda
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Q: In a scientific experiment the one variable that is purposely changed to test a hypothesis is called the manipulated variable.
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Q: Iron carbon and neon are all examples of what
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Q: How many atoms are in 1.5 moles of glucose (C6H12O6)
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Q: Waste that can catch fire eat through metal explode or make people sick is called
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Q: The main reason for learning to correctly pour fluids in a laboratory is to conserve costly chemicals true or fasle
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Q: What is the usual oxidation for oxygen
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Q: Don says he is a non-smoker. Suggest one other way carbon monoxide could have go into Don' s blood before he came to work tht day
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Q: In one gram of carbonate (M2O3) on treatment with excess HCL produces 0.01186 moles of carbon dioxide. The molecular mass of M2O3 in g mol- is
1 answer
Q: Knowing indicators of an unstable person can allow you to identify a potential insider threat before an incident. (Antiterrorism Scenario Training Page 4)
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Q: What scientist in 1661 defined element in a manner that made it subject to laboratory testing
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Q: What is the word equation for iron(III) nitrate and copper
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Q: Which part of an atom participates in the reaction shown below U235 plus n and acirc and 134 and 146 Xe134 plus Sr100 plus 2n
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Q: Acetylene gas should never be used at a pressure above
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Q: What are the elements of 3CACI2
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Q: What is the purpose of an electron
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Q: XeF3 polar or nonpolar
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Q: Is a piece of chalk a conductor or an insulator
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Q: Why oxygen is smaller than lithium
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Q: Does gravel make water acidic
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Q: When iodine crystals are heated and cooled in a hot water bath what happens
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Q: To make salt water a heterogeneous mixture you would have to do what
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Q: What does analytical intelligence mean
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Q: What is the complete ionic equation of sodium carbonate and sulfuric acid
12 answers
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