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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: Did mount of heat needed to melt 1 kg of a substance
1 answer
Q: Can oxygen bend
1 answer
Q: What do you think will happen to the gas pressure as you make the container smaller
3 answers
Q: Does it take more oxygen to breath when you are hot or cold
1 answer
Q: How do you get amino acids back
1 answer
Q: Is a chocolate bar a homogeneous or heterogeneous
6 answers
Q: If you add iron and oxygen
1 answer
Q: Is bismuth ionic or covalent
1 answer
Q: What metal is used to soften drink cans
2 answers
Q: What is the orbitial notation of oxygen
1 answer
Q: What is water in a gaseous state called
2 answers
Q: What is the name of the particle with no charge
8 answers
Q: Is RbI ionic or covalent
1 answer
Q: Why is melting point of pure water 44 degree celsius
1 answer
Q: What is the effect of excess heat or temperature on an enzyeme
1 answer
Q: What splits water and releases oxygen
1 answer
Q: What is the charge on the metal ion of the salt CuO
4 answers
Q: Is dichlorine monoxide covalent or ionic
1 answer
Q: What is the hybridization of the central atom in BrCl3
1 answer
Q: Is carbon acid mechanical or chemical weathering
2 answers
Q: What forms from burning coal oil and gas
3 answers
Q: Which ingredient supplies Oxygen in PEA
1 answer
Q: How many grams of NH3 can be produced from 4.33 mol of N2 and excess H2. Express your answer numerically in grams.
2 answers
Q: What are levels in a experiment
1 answer
Q: Which atom lithium or cesium needs more energy to become an ion
2 answers
Q: Particles in a solid are packed so close together they can only what
2 answers
Q: What is the oxidation number of C in c2o4-2
2 answers
Q: What means to lighten in color
1 answer
Q: What is the scale you measure whether it is a substance is an acid or bases
1 answer
Q: What are the steps for ore to be a useful product
1 answer
Q: What does transpiration and evaporation mean
1 answer
Q: What does So3 mean in science
1 answer
Q: Is 303 degrees Kelvin warmer than 77 degrees Fahrenheit
3 answers
Q: What relationship between temperature and solubility does this graph reveal
2 answers
Q: What is temperature at which a substance changes from a solid to liquid
2 answers
Q: What humans use sulfur for
1 answer
Q: Is Fe NO3 3 soluble
8 answers
Q: Is a meatball a compound or element
1 answer
Q: How much does a nickel weight in gram
1 answer
Q: What was the first periodic table
3 answers
Q: What is the electrons configuration for O2-
3 answers
Q: Will two oxygen atoms form an ionic bond
2 answers
Q: Is burned ethanol a physical or chemical change
4 answers
Q: Is silicon rough
2 answers
Q: Is borax a compound or heterogeneous mixture
3 answers
Q: What two metals do not react with oxygen
1 answer
Q: What are the large numbers in front of some of formulas
1 answer
Q: What does the quantum number represent
4 answers
Q: What type of liquid affects how fast ice cube will melt
1 answer
Q: What happens when a new scientific substance is formed
1 answer
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