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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 makes a laundry detergent good
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Q: Is water evaporating into steam chemical or physical change
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Q: What is the relationship between atomic radius and the corresponding model radius
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Q: Why Gold is used instead of calcium to make jewelry
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Q: Which term describes processes that take place when there is no oxygen present
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Q: Is potassium oxalate added to the gray vaccum tube
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Q: How do inbreeding and hybridization compare
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Q: Are cellular macromolecules containing hydrogenoxygen nitrogen carbon and phosphorus
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Q: What role does the ocean play in the oxygen cycle
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Q: What does 2Fe203 equal in Science
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Q: When a closed tin is heated the pressure inside it increases Why does this happen
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Q: Which energy sublevel is being filled by the element K to Ca
2 answers
Q: A mineral that contains calcium carbonate would provide a positive response to a test for what
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Q: Do bone cells need oxygen and food
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Q: Can sodium and chlorine form an ionic compound
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Q: How do you know if a compound is convlent or ionic
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Q: Is havarti cheese alkaline or acidic
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Q: When dissolved in water sodium hydroxide completely dissociates into what
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Q: What absorbs water and houses bacteria
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Q: Is CCl4 a ionic or molecular compound
4 answers
Q: What is the mass in grams of 2.30 mol ethylene glycol
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Q: Can both liquid water and steam exist as 100ºC
8 answers
Q: How many moles of CO2 are contained in 9.55l at 45C and 752torr
4 answers
Q: Is sodium hypochlorite is free chlorine
1 answer
Q: How can nitrogen-rich fertilizers affect algal blooms in he ocean
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Q: What is a atom that is made of atoms of more than one type bound together
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Q: Where do Oxygen and Carbon dioxide move from high concentration to low concentration
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Q: What is the oxidation numbers of NaBrO2
1 answer
Q: What is the symbol equation for iodine and hydrogen
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Q: What is the balance chemical equation of sodium and water
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Q: When yeast is deprived of oxygen it will convert glucose into what
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Q: Is Fe(NO3)2 ionic or molecular compound
3 answers
Q: What makes luvs diapers so absorbent
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Q: Why can a hydrogen atom form a covalent bond without fulfilling the octet rule
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Q: Why was copper used before iron
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Q: When testing fertilizer on a tomato farm one patch of soil is given fertilizer and another patch is not.Which one is the experimental group
1 answer
Q: What is the empirical formula for a compound that contains 14.7 g of nickel and 40.0 g of bromine
3 answers
Q: How do reactants and products participate in chemical reactions
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Q: Where do we get our oxygen from
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Q: What is the name of a reaction which an acid reacts with a alkali to make a salt
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Q: What term describes the difference in the concentrations of a substance across a cell's membrane
2 answers
Q: What is the symbol for the chromium(II) ion
7 answers
Q: Is the word behind a compound word
1 answer
Q: What acts like both an acid and a base
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Q: Why does oxygen have two shells
1 answer
Q: Is copper sulfate element mixture or compound
2 answers
Q: How do you determine percentage yield of p-bromoaniline
1 answer
Q: What difference can nanomaterials make to society and the environment
1 answer
Q: Why is good ventilation very important when cleaning the bathroom using strong acid cleaners
1 answer
Q: How does hydrochloric acid act to hydrolyze sucrose or starch
1 answer
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