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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 is the molar mass of the following compound H2O
7 answers
Q: What compound is a nonelectrolyte
2 answers
Q: How many Sucrose molecules in 3.0 moles of sucrose
1 answer
Q: When a gas is cooled the number of collisions decreases
2 answers
Q: Are each box on the table represents by one element
1 answer
Q: What explains the solubility of ionic substances in water
3 answers
Q: What colour do you get when mixed black and white together
1 answer
Q: What kind of reaction is represented here 2al plus 6hcl 2alcl3 3h2
1 answer
Q: What indications did the experiment results give regarding the purity of the sample used
1 answer
Q: What is the voltage of a galvanic cellmade with silver and nickel
1 answer
Q: What is kerosene colonial grade
2 answers
Q: Why some sugars metabolize higher than others
1 answer
Q: If the food is being cooked in the kitchen name the process which brings smell to us.
2 answers
Q: Is natural rubber react with strong acids
2 answers
Q: What is porous water absorbing material
1 answer
Q: What is a change in which one or more new types of matter form
2 answers
Q: Is bronze natural
10 answers
Q: What is the pressure exerted by a mixture of 2.00 gram of H2and 8.00g of N2at 273 k at 10dm3 vessel
2 answers
Q: What color tube is neede to draw blood for a FSH level
1 answer
Q: How many electrons does n need to gain to becom isoelectronic with a noble gas
1 answer
Q: How does vapor pressure affect volume
1 answer
Q: What is the Disadvantage of smart water
1 answer
Q: What is the mass and volume of gold if its density is 19.3 gcm3
1 answer
Q: What bond does plutonium make
2 answers
Q: What are 5 inorganic compounds you can find in you home
1 answer
Q: What cause chemical weathering
4 answers
Q: If chlorine forms a 1- ion. How many electrons does a chloride ion have
2 answers
Q: How does an in crease in temperature affect the solubility of each compound in 100 g h2 o
1 answer
Q: Is jello a mixture or a solution
3 answers
Q: How long does it take elmer glue to decompose
1 answer
Q: What does 18K gold SS mean
1 answer
Q: Would an electron have to absorb or release energy to jump from the second energy level to the third level
8 answers
Q: What is the balanced equation of bromine and acetylene reaction
2 answers
Q: If you watch exploding fireworks from a safe distance hat evidence of a chemical reaction can you observe
5 answers
Q: Is sodium(NA) a member of transition elements
2 answers
Q: What is the boiling point of 2 pentanone
6 answers
Q: What is dew forming on grass called
1 answer
Q: What is more attractive gold or copper
2 answers
Q: Do the pressure of a gas decreases with increasing temperature
9 answers
Q: What element is in 2a period 3
2 answers
Q: What element has a stable 2 valence electrons
2 answers
Q: What is the correct name of this compound ( sibr2)
3 answers
Q: What kind of chemical causes rusting of iron
2 answers
Q: In a solution it feels slippery what is it
2 answers
Q: How many dots belong in the electron dot diagram of a boron (B) atom
1 answer
Q: What best explains how two oxygen atoms each with six valence electrons can bond with each other
2 answers
Q: Why An atom of lithium (Li) forms an ionic bond with an atom of chlorine (Cl) to form lithium chloride. How are the valence electrons of these atoms rearranged to form this bond
2 answers
Q: What polyatomic ions bond with other ions to form an ionic bond
3 answers
Q: Is sulphur a elemant
1 answer
Q: What is the name of MnO2-2
1 answer
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