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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: Is Zn(C2H3O2)2 ionic or covalent
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Q: What term describes how much energy it takes to change the temperature of the substance
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Q: In a chemical reaction the total mass of the substances before the reaction is
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Q: Is it true or false when adding coefficients I can only add them to the beginning of a chemical formula or element.
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Q: What happens to an anode in an electrochemical cell
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Q: If electrons have the most energy in an atom electrons in an electron cloud electrons in the outermost electron shell electrons in the innermost electron shell electrons in the nucleus
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Q: Is a snowman a chemical change
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Q: How did the Russians scientist first arrange the elements
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Q: How does baking soda react with water
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Q: What is it called when an unwanted material that contains radioactive atoms is present on another material
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Q: How much is promethium per kilogram
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Q: If chlorine atom were to attract an electron from sodium the chlorine atom would become a
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Q: How much is 3 grams of omega 3
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Q: What element is an alkaline earth metal whose electron configuration ends in 6s2
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Q: How many moles of KCI would be dissolved in 4 L of water to make 2 M solution
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Q: If the concentration of gasoline in 650000 liters of water is 3 ppm how many liters of gasoline are in the water
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Q: What is the name of the formula Cs2CrO4
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Q: What is an element more metallic than cesium
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Q: What type of ion does platinum form
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Q: What Material that heat flows easily
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Q: What are the four most abundant gases in the Earths atmosphere in order from abundant to least abundant
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Q: What is the difference and similarities between osmosis and simple diffusion
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Q: What Substance Has An Overall Charge Of 1-
3 answers
Q: Is N2F3 ionic
1 answer
Q: How many bonding pairs of electrons are there in water
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Q: What are three practical uses of an acid
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Q: What are two sodium ions that do not form an ionic compound
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Q: What was an explanation for how the Paleozoic ice cap melted
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Q: What is the element nam of so2
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Q: What pattern are ions arranged in an ionic compound
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Q: Why can ionic compounds in solution conduct electric current
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Q: When 20g of calcium carbonate are decomposed by heating 8.8g of carbon dioxide are given off. Work out the mass of calcium carbonate that would be required to give 22g of carbon dioxide.
1 answer
Q: What is the next step in the science method following the formation of a hypothesis
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Q: Is rubidium sulfide covalent or ionic
3 answers
Q: What is the law of conservation of matter using your own examples
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Q: Why is a rusting nail a chemical chance
2 answers
Q: Why are state symbols used in a chemical equations
1 answer
Q: What is the process that releases energy from fossil fuels
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Q: What happened when heat is added to a silicon
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Q: What shape would a molecule with four atom surrounding a central atom have
6 answers
Q: When bases are in solution with water
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Q: What organic compound with at least one hydroxyl group called
1 answer
Q: What Filtration separates mixtures based on what
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Q: What is the rate law for this reaction A plus 2B C plus D
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Q: How far should an oxygen cylinder valve be opened for use
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Q: Will petroleum jelly freeze
2 answers
Q: When NaCl is dissolved in water negative end of the water molecules is attracted towards what
3 answers
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