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Chemistry
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.
221k
Questions
Q: How many atoms are in 159g of calcium
1 answer
Q: What happens when you mix carbon dioxide and chlorine
1 answer
Q: What happens when you mix carbon dioxide chlorine
1 answer
Q: What is the relationship between reactants and products involved in photosynthesis
1 answer
Q: How do you obtain sulfur
1 answer
Q: Can dilute nitric or sulphuric acid be used instead of hydrochloric acid in sahlis acid hematin method
1 answer
Q: What is a reaction called in which heat energy is absorbed
4 answers
Q: How much gold can mercury hold
1 answer
Q: What molecule is energy captured for photosynthesis
2 answers
Q: What element is part of both of the compounds on the table that are not flammable
1 answer
Q: What is a hydroxyl group liked directly to a benzene ring
1 answer
Q: Why oxygen cannot be determined directly by combustion analysis
1 answer
Q: What are persistent pesticides
1 answer
Q: Which elements below would form an ionic bond with fluorine
1 answer
Q: Is sulfur the same thing as chalk
3 answers
Q: What color would the litmus paper be in pure water
3 answers
Q: Why do farmers apply fertilizer to their crops
1 answer
Q: What is the electron configuration of rubidium
7 answers
Q: What is the crystal shape of aluminum oxide
1 answer
Q: What have chemists done to help conserve energy
2 answers
Q: Which two countries produce about the same amounts of coal
2 answers
Q: What results from combining two complementary pigment colors
1 answer
Q: Is metal weak
2 answers
Q: Why do the cells of a redwood tree need oxygen
1 answer
Q: What is the definition of residue in science
1 answer
Q: Can carbon charcoal conduct electricity
2 answers
Q: Explain how you would find the solubility of a solute
3 answers
Q: How does marijuana absorb and breakdown nuclear radiation
1 answer
Q: How do the properties of oxygen and hydrogen compare with the Properties of the water
1 answer
Q: How can you destabilize covalent bonds between molocules
1 answer
Q: What is ionic charge of oxygen
2 answers
Q: How many atoms in 2H2o2
12 answers
Q: What gas is liberated when metals react with dilute acid
1 answer
Q: What is the mass of 2.84 x 1022 molecules of nitrogen gas
3 answers
Q: What receives low oxygen blood from small blood
2 answers
Q: How does carbonic acid help to erode granite.
2 answers
Q: What is made by a candle
3 answers
Q: What is NaCl plus H2O plus CO2 (g)
1 answer
Q: What happens when you mix juice crystals with cold water
2 answers
Q: In a double-blind experiment
1 answer
Q: How many sugar cubes are in pepsi
2 answers
Q: How does salt and water mixed together make cold temperature
2 answers
Q: Why was hyperdimension neptunium created
1 answer
Q: What is a number written to the right of a chemical symbol
6 answers
Q: Is eventually a transition word
3 answers
Q: What color vacutainer and test TSH
1 answer
Q: What is the chemical formula for the compound formed from iron (II) and iodine
2 answers
Q: What if the t4 is drawn in a purple top tube
2 answers
Q: What do concentration and conductivity both have
1 answer
Q: What procedure is used to determine the level of combined chlorine in water
1 answer
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