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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 are the applications of chemical kinetics
5 answers
Q: A sample of gas in a syringe releases heat go its surroundings while the plunger us pulled out what are the correct signs of heat and work in this change
2 answers
Q: What element would you expect to have a higher mass cadmium or zinc
2 answers
Q: Will drano dissolve cotton
2 answers
Q: How many calories are in 1 mg of sodium
2 answers
Q: What lab tests are conducted to determine metal in the human body
1 answer
Q: Is wolfram a compound
2 answers
Q: What criteria is used to choose which group an element belongs to
3 answers
Q: Why is air a mixture and not a compound give 4 point to justify your answers
2 answers
Q: What is the reaction if ethyl iodide and potassium acetate
1 answer
Q: When Dissolved oxygen in a solution becomes very low
1 answer
Q: What kind of molecules are sugar vegetable oil and alcohol examples of
2 answers
Q: How is the ionic bonds structured
1 answer
Q: How brass is created
5 answers
Q: Is fasting required for chem blood test
1 answer
Q: How temperaturature effects the solubility of most solid
1 answer
Q: Where would oxygen be greatest in the Lungs
1 answer
Q: What hypothesis could this experiment be testing
1 answer
Q: Does liquid nitrogen stay on clothes My lab partner accidentally splashed some on my shirt and I was not sure if I needed to wash it or not
2 answers
Q: What does earliest configuration mean
2 answers
Q: Why does the symbol for oxygen not have a subscript
1 answer
Q: What is the reaction equation for water and sodium carbonate
1 answer
Q: What causes the bonds between molecules to break
1 answer
Q: Will oxygen react with nitrogen
1 answer
Q: How many atoms of carbon hydrogen and and oxygen are in two molecules of pyruvic acid
1 answer
Q: What equations violates the law of conservation of mass
3 answers
Q: What is the bond angle for NICl2
1 answer
Q: Is a head of lettuce chemical potential energy
2 answers
Q: Which particle diagram correctly represents propane in gas phase and liquid phase in a pressurized cylinder
2 answers
Q: How can you explain mixtures and solutions
1 answer
Q: What gas burns hotter than propane
1 answer
Q: Is copper wire mixture or substance
2 answers
Q: Is aluminum foil mixture or substance
3 answers
Q: What does condensation form on a glass of iced water
1 answer
Q: Is metal a composite material
2 answers
Q: Toothpaste an acid or alkali
2 answers
Q: What is 925 gold worth per gram
1 answer
Q: What is made when ethanol and oxygen gas combine
2 answers
Q: Why won't my dishwasher use the rinse aid
1 answer
Q: What does Li2O form
3 answers
Q: Why is calcium carbonate a pure substance but not an element
1 answer
Q: What is the chemical equation for carbon cycle
1 answer
Q: How do ionic and covalent bonds affect the structure of ionic and covalent compounds
1 answer
Q: What is the Lewis structure of sodium carbonate
1 answer
Q: Which non-metal is unlikely to be in a covalent molecule H B C N O F or Ne
2 answers
Q: Why does concentrated glacial acetic acid first act as a nonconductor
1 answer
Q: Is H molecule
4 answers
Q: How much money is tin for one gram
1 answer
Q: Which cell can produce hydrogen gas fuel by using electricity to decompose water
1 answer
Q: Why is oxygen so important to the electron transport chain
1 answer
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