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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.

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Q: What statement is true about nitrogen and oxygen
1 answer
Q: What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas) at 308 K Use the equation For m use 0.02000 kg. Remember that R 8.31 J(molK).
3 answers
Q: What is the internal energy of 4.50 mol of N2 gas at 253C To solve this problem use the equation Remember that R 8.31 J(molK) and K C plus 273.
1 answer
Q: What gland is most likely not working if the have to much calcium ion in their blood
1 answer
Q: What is the name of Ca(OH)2
7 answers
Q: What is the flame test color of distilled water
1 answer
Q: Why the vapour pressure of solids are far less than those of liquids
6 answers
Q: Is gorilla glue toxic when heated
1 answer
Q: What is a chemical property that can be used it identify calcium carbonate
1 answer
Q: What happens when a metal oxide reacts with water
1 answer
Q: What will happen to an egg that is placed in dish soap
1 answer
Q: What statement correctly describes the x game
2 answers
Q: What is the hydrolysis reaction for the acetate ion to produce a basic solution
1 answer
Q: Why is getting a sunburn a chemical change
1 answer
Q: What scale does the phosphorus cycle function on
1 answer
Q: What is ZnCl2 at room temperature
1 answer
Q: What is the ionic equation for copper II nitrate and sodium hydroxide
4 answers
Q: What is the correct formula for Ca 2 and po4 3-
1 answer
Q: What is a dissolver
2 answers
Q: Is table sugar a mechanical
2 answers
Q: Will fluorine form bonds
2 answers
Q: Do strawberrys have citric acid
1 answer
Q: Can you make solids dissolve faster by cooling the solution
2 answers
Q: What does a base release when it is dissolved
1 answer
Q: What is the molecular geometry of H20
4 answers
Q: What is the molecular structure of HCl
1 answer
Q: What important substances do plants produce during photosynthesis How do humans use these substances
1 answer
Q: Are elements heterogeneous or homogeneous Why
6 answers
Q: What is nitrogen oxide containing 53.85 N acts as a vasodilator lowering blood pressure in the human body. What is its empirical formula
2 answers
Q: What is aluminum plus bromine
1 answer
Q: What is the relation between oxygen levels and body temperature
1 answer
Q: What happens to bromine as it is cooled
1 answer
Q: What are tiny sacs where the exchange or oxygen and carbon dioxide takes place
1 answer
Q: What are the identities of Bromine chlorine iodine
2 answers
Q: What do all irons and ions have in common
2 answers
Q: Is saliva higher or lower pH than smotach acid
2 answers
Q: How Does sulfur dissolve in oil
1 answer
Q: What is the molecular weight of tetrafluoroethylene
4 answers
Q: What is called soil that is rich in the substances
1 answer
Q: How do you separate an aqueous solution of lead II and copper II ions
1 answer
Q: How many N2O4 molecules are contained in 76.3g of N2O4 the molar mass of N2O4 is 92.02 gmol
2 answers
Q: What properties may be used to ionic compounds
2 answers
Q: What element is green and yellow gas and is a halogen
2 answers
Q: What is a solid substance that forms in a chemical reaction
1 answer
Q: What salt is made when sodium hydroxide and hydrochloric acid react
1 answer
Q: What is the number of moles of copper oxide in 7.95g copper oxide
1 answer
Q: Why the temperature does not change as a pure substance melts
3 answers
Q: Why does aluminum melt in hydrochloric acid
1 answer
Q: Is there a reaction between astatine and sodium iodine solution
1 answer
Q: How long can a candle stay lit with out oxygen
1 answer
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