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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: When calcium and oxygen link up do their properties change
3 answers
Q: Is the ion of nitrogen larger it smaller then nitrogen
1 answer
Q: When vinegar mixed with baking soda fizzes a chemical change
1 answer
Q: Does a tv run on chemical energy
1 answer
Q: Are esters sweet smelling
1 answer
Q: Is the oil an ionic or a covalent
1 answer
Q: What process makes gas particle evenly spread out thought it's container
2 answers
Q: What is the charge of phosphoric acid
1 answer
Q: Is one result of combustion carbon dioxide
2 answers
Q: Which solvent is used to wash bitumen from the hand
2 answers
Q: What is the symbol equation for calcium and oxygen
2 answers
Q: What is the net ionic equation of 2H SO422- Ca 2l CaSO4 2H 2l
1 answer
Q: How did Ernest Rutherford change atomic model
5 answers
Q: Is a penny flammable
3 answers
Q: How much orbitals does silicon have
1 answer
Q: Why is plasma yellow in color
1 answer
Q: What does a coefficient show in science
1 answer
Q: How many moles of aluminum oxide ( Al2O3) are formed in the reaction Fe2O3 2Al-Al2O3 2Fe
1 answer
Q: Is handy Andy a acid or alkalis
1 answer
Q: What is the oxidation number of phosphorus in P4O6
2 answers
Q: What main group does x belong in the ionic compound formula X3PO4
1 answer
Q: Which other elements must your food contain so that your body can make new nucleic acids
1 answer
Q: What is a soft coal that burns at lower temperatures
1 answer
Q: How many types of bond can carbon atom form
3 answers
Q: Which hydrocarbon compound has a triple bond in the molecule
4 answers
Q: Why does covalent bonding take place
1 answer
Q: What kind of particle is produced after covalent bonding
1 answer
Q: Why does sucking on a straw make the liquid come up
2 answers
Q: What is the difference between ketone and alcohol
1 answer
Q: What is the color of neutral ferric chloride
1 answer
Q: How did those materials get into the water outside the bag
1 answer
Q: Burning wood in the fireplace is an example of what kind of change
1 answer
Q: Why does potassium have a higher first ionization energy than lithium
1 answer
Q: You take a shower and your hair begins to dry is that a chemical or physical change and why
2 answers
Q: What is the difference between recycle reuse and reduce
1 answer
Q: Is drug an adjective or adverb
2 answers
Q: When are amino acids used instead of glucose
1 answer
Q: What bonds are common
1 answer
Q: Why might scientists want to compare the new stuff they create to the old stuff they started with
1 answer
Q: Which metal is more reactive titanium or cobalt
2 answers
Q: Is it possible to have a dilute solution of a strong acid
1 answer
Q: Is the solution FeCl3 acidic basic or neutral
1 answer
Q: What is plastic limit
2 answers
Q: How does muddy water become clear water
2 answers
Q: Is powdery a physical or chemical change
3 answers
Q: Is mealting butter from popcorn chemical or physical
2 answers
Q: What elements make up Na Cl
1 answer
Q: What makes osmosis a special kind of diffusion
1 answer
Q: What is the ionic compound name of SCI4
1 answer
Q: Which shows the temperatures of three substances in order from greatest to least
1 answer
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