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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: What is the chemical formula for iridium
2 answers
Q: Is acid hazardous
2 answers
Q: Why can't gases be poured
1 answer
Q: What is one of the major uses of organic chemistry today
1 answer
Q: When you reuse a crystal heat pack is that a chemical or physical change
2 answers
Q: What determines the frequency and wavelength of light emitted by an LED
2 answers
Q: When a acid and base neutralize each other other what compounds are formed
1 answer
Q: Suppose another unknown acid is strong acids make a diagram to show the particles of the acid dissolved in water and describe it
1 answer
Q: Why naoh and koh are corrosive
1 answer
Q: What are the 3 side bonds that concern cosmetologists
2 answers
Q: Which gas has properties most similar to an ideal gas N2 O2 He Xe
3 answers
Q: What is S6Br3
1 answer
Q: What the noun evaporate
2 answers
Q: 3 procesess that relase carbondixodie into atmosphere
1 answer
Q: Sodium is a alkaline metal why
1 answer
Q: What is the mass of 0.0435 mol zinc chloride
1 answer
Q: What are methane burps
1 answer
Q: What do we call 2 solutions that have the same water potential
2 answers
Q: What does on filter mean
2 answers
Q: Is H2O is Matter or not
2 answers
Q: What type of alkali is in dishwasher tablet
1 answer
Q: Why is water an example of matter
3 answers
Q: How much cerium sulfate is needed to make a saturated solution in 100 mL of water at 30c
1 answer
Q: What type of substances is oxygen
1 answer
Q: What takes place during a chemical change
1 answer
Q: What does meaning ammonia
3 answers
Q: What are the relationship between the group number the types of ions formed
4 answers
Q: What material used in pencils instead of lead
1 answer
Q: Why does butane have a higher boiling point than propane
6 answers
Q: What is the hybridization of the central atom in TeCl2
1 answer
Q: What is the name of a compound made from potassium and iodine
2 answers
Q: Is lithium iodide compound
2 answers
Q: What is the first basic metal on the periodic table
5 answers
Q: Is thawing meat a physical or chemical change
2 answers
Q: Where does NOx and SO2 come from
1 answer
Q: Describe how a sodium atom form a bond with a chlorine atom
2 answers
Q: How can a drop of salt water once have been a dropof fresh water
1 answer
Q: Is osmosis the diffusion of small molecules
1 answer
Q: Why is a wooden spoon better better than a metal spoon for stirring hot soup
3 answers
Q: Which category do most elements belong to
10 answers
Q: Can Escherichia coli survive in area with no oxygen
1 answer
Q: Are there any reversible chemical changes
1 answer
Q: Is tantalum a good conducter of electircity
2 answers
Q: How are the air spaces in bread produced
1 answer
Q: How long ago did oxygen become part of the atmosphere
1 answer
Q: Will chilling a liquid will increase the evaporation at the surface
2 answers
Q: What is the atomic number for coal
2 answers
Q: Why is it tricky to call any particular substance an antioxidant
2 answers
Q: What is the temperature at a substance changes from solid to liquid
10 answers
Q: Why is chlorine called a nonmetal
1 answer
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