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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 process by which the liquid in a thermometer or section of a sidewalk increase volume at a higher temperature
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Q: What is the difference between alcohol thermometers and digital thermometers
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Q: How many moles of oxygen are needed to completely react with 6 moles of hydrogen
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Q: What are difference between constant immersion hydrometer and constant weight hydrometers
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Q: How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed
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Q: Why do we use coal
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Q: What alkali's do we use everyday
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Q: What type of bonding is in paraffin wax
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Q: What is the balanced symbol equation for magnesium and dilute hydrochloric acid
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Q: How much baking soda is needed to make a volcano in a liter bottle
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Q: What are the three ways water is formed
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Q: What is the atomic structure for oxygen and phosphate
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Q: How does potassium -39 different from potassium -41
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Q: Is the element neon dull or shiny
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Q: Is purple paint compound
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Q: What is chemical reaction when ammonia chloride mix with hydro chloride when electric current passes
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Q: How many how many electrons are in 02
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Q: Is a diamond a gem or an ore
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Q: What three groups do scientist arrange elements into
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Q: What is the approximate value of the normal melting point
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Q: Would mass percent of water be too high too low or unchanged if heating was insufficient to remove all of the water from the hydrated salt
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Q: How many atoms in gold sulfide
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Q: Why might fatty acids amino acids nucleic acids increase the hydrogen ion concentration of a solution
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Q: Is cinnamon ionic or covalent
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Q: What is up what best describes a bond formed between two unlike atoms
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Q: How do you use the word element in sentence
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Q: For each beaker identify whether the soluton inside was hypotonic ypertonic or isotonic in comparison to the control beaker
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Q: Is hydrogen peroxide a good conductor of electricity
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Q: Which element has 2 energy levels with 5 electrons in my order energy level
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Q: What determines whether compounds will dissolve in water
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Q: How many significant figures are in 2804
6 answers
Q: Does dish soap sink or float on water
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Q: How many grams are in one dime bag of heroin
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Q: How does the reactivity change as you move down group 1 of the periodic table
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Q: How many atoms are in 4CaCo3
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Q: When water molecules are moving closer together in the air is called
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Q: How is glass tubing cut in the chemistry lab
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Q: What happens when a gummy bear is soaked in sugar water
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Q: How much nickel is left in the world
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Q: Is it true that a polar molecule is one that exists only at low temperatures
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Q: Is cream and alkali an acid or neutral
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Q: What is the best definition of the enthalpy of a reaction
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Q: What is the colour of the flame of a Bunsen burner when you put sodium glutamate on it
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Q: Why is most water salt water
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Q: Is Hg2 ionic or covalent
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Q: What should be named for the ionic compound Ga2(SO4)3
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Q: Why is phosphorus in group 3
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