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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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Questions
Q: How do you determine the mass of a magnesium metal strip without using a scale
2 answers
Q: What element of blood plays a role in blood coagulation
2 answers
Q: How many total moles of KNO3 must be dissolved in water to make 1.5 liters of a 2.0 M current
3 answers
Q: What substance leads to a decrease in the amount of oxygen that blood an carry
1 answer
Q: What is the outermost electronic configuration of the most electronegative element
3 answers
Q: How areketones and aldehydes related
1 answer
Q: Why does a silver ring turn rose colored when cleaned
1 answer
Q: Enthalpy of a reaction is -394 kJ mol How would you describe the reaction
1 answer
Q: When fuels are burnt what happens to the chemical potential energy
2 answers
Q: How will you justify that inter particle space are present in matter
2 answers
Q: How does blood pick up oxygen from the lungs
1 answer
Q: How burning candle is irreversible
1 answer
Q: Why can panning be used to obtain the element gold but cannot be used to obtain the element iron
3 answers
Q: What is the chemical name for the white powder formed when magnesium reacts with oxygen
1 answer
Q: What is the effect of sunlight on silver bromide
1 answer
Q: How are secondary colors of light made
1 answer
Q: What are the contributions of Alexander Flemings
1 answer
Q: What is the HLB value for carboxymethyl cellulose
2 answers
Q: What is the name of two or more cells joined together
3 answers
Q: How is oxide made
2 answers
Q: How do I now if a 925 sterling ring with diamonds is real
2 answers
Q: What type of reaction monomers must undergo to form cellulose
6 answers
Q: Is CO2 a formula of oxygen and carbon
1 answer
Q: Is drinking milk a chemical change
8 answers
Q: N2 plus 3H2 -- 2NH3 If you produce 55.5 grams of ammonia how many grams of nitrogen will you need
2 answers
Q: What is the hardest and oldest type coal
2 answers
Q: How do you remove moth ball smell from dresser
1 answer
Q: How does the polarity affect water molecules
6 answers
Q: What is epsomsalt
2 answers
Q: What is an alkalinophile
2 answers
Q: What is the difference in electronegativity of sodium bicarbonate
1 answer
Q: Is lithium phosphate covalent or ionic
1 answer
Q: What does SIO stand for on the periodic table
7 answers
Q: What are responsible for gas exchange in the lungs
2 answers
Q: What is released when fuels burn in to oxygen
1 answer
Q: Why does heavy whipping cream weigh more than milk
1 answer
Q: How does benzoic acid form dimer in toluene layer
1 answer
Q: What is an alkanoate
2 answers
Q: What is an alkanoic acid
2 answers
Q: How do you write the condensed structural formula for 14-diclorocyclohexane
1 answer
Q: How do you neutralize a base with a pH of 9
1 answer
Q: How do you turn a pink color into red
2 answers
Q: Does copper look like gold
2 answers
Q: How much would the freezing point decrease if a 3.23 molal solution were achieved
1 answer
Q: Is a hand warmer pack an endothermic reaction
3 answers
Q: What is an alkyl phosphate
2 answers
Q: What is an alkylator
4 answers
Q: What causes spike in pH level
1 answer
Q: Which base will bond with another base
1 answer
Q: What group in the periodic table is this from 3s2 3p5
2 answers
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