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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
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Q: Why is it necessary to weight the iron fillings accurately through the mass of copper sulfate taken was only approximately
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Q: What process moves oxygen across the cell membrane
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Q: How much does 1 liter of ketchup weigh
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Q: Is steam a element compound or mixture
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Q: What is the best description of how an atom is organized
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Q: What are 2 ways salt is used by highway workers
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Q: Why does oxygen diffuses into the cells from the bloodstream
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Q: What is 250F to Celsius
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Q: What in a scientific experiment changes in response to another
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Q: How much does a gram weigh out to on a scale meth
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Q: Why does dry ice sublimate so fast in water
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Q: What group of elements don't combine with other elements well
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Q: What is the energy pathway for an a chemiluminescent source
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Q: Do we experience hydrogen in everyday life
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Q: What does the states symbol aq mean when written after a chemical compound in a chimical equation
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Q: How much water a day is lost thru breathing
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Q: Is Fe inorganic or organic
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Q: Carbonic acid in RBC dissociates into
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Q: Is sea water solvent or solute
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Q: What do you deduce from the volume ratio about the mole ratio in which lead nitrate and sodium iodide react
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Q: What is the pH of a solution that is 0.13 M in NH3 and 0.17 M in NH4Cl
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Q: What is the chemical equation of oxygen reacting with hydrogen to yield water
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Q: How many ions in ammonium phosphate
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Q: What does an antacid tablet do to excess acid in your stomach
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Q: How can you use boiling points and melting points to determine a solid liquid or gas that an element would be in at a certain temperature
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Q: Why do melting points of covalent compounds tend to be lower than those of ionic compounds
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Q: How do you find the oxidation number for n2o
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Q: What turns a universal indicator orange
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Q: How can the Tyndall effect be used to distinguish between a colloid and a solution
3 answers
Q: What is a binoxalate
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Q: What does every atom in a particular element have in common
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Q: What is an example of objectification
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Q: How do the properties of a compound compare with the properties of the elements that make up the compound
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Q: Which pair of elements will form a covalent bond
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Q: Why can hydrogen only form one covalent bond
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Q: What happens when you mix silver nitrate with sugar
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Q: Is combustion of fossil fuels a exergonic or a endergonic reaction
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Q: What is Ba3(PO4)2
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Q: What building should represent the nucleus
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Q: How many molecules of methane are in 0.500 mol of CH4 gas
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Q: What elements to copper bond with
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Q: Is oxygen a nonrenewable resource
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Q: Which one of the following is an example of a strong acid
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Q: What is a bioconjugate
3 answers
Q: How is tinfoil made
1 answer
Q: What makes diamonds so strong and graphite so brittle and breakable
3 answers
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