Subjects
Animals & Plants
Arts & Entertainment
Auto
Beauty & Health
Books and Literature
Business
Electronics
Engineering & Technology
Food & Drink
History
Hobbies
Jobs & Education
Law & Government
Math
People & Society
Science
Social Studies
Sports
Travel & Places
Create
0
Log in
Subjects
>
Science
>
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: Why do we use NaOH solution in the extraction procedure
1 answer
Q: Why do we use a volumetric flask for measuring precise volumes of liquids
1 answer
Q: Why do we use iodine solution to test for starch and what is the significance of this chemical reaction in identifying the presence of starch
1 answer
Q: Why do we use moles in chemistry and what is the significance of this unit of measurement in chemical reactions and calculations
2 answers
Q: Why do we use moles in chemistry and what is their significance in chemical calculations
1 answer
Q: Why do we use the mole as a unit of measurement for counting atoms
1 answer
Q: Why do we use the mole in chemistry and what is its significance in chemical calculations
1 answer
Q: Why do we use the mole in chemistry
1 answer
Q: Why do unopened water bottles collapse
1 answer
Q: Why do water bottles get bubbles
1 answer
Q: Why do we create a standard curve for a specific chemical when using our spectrophotometer
1 answer
Q: Why do we have to use molality for our calculations, instead of the more common unit of molarity
1 answer
Q: Why do we need enzymes for various biological processes
1 answer
Q: Why do we need macromolecules for various biological processes
1 answer
Q: Why do we need the periodic table in chemistry
1 answer
Q: Why do we need to convert mass to moles in stoichiometry problems
1 answer
Q: Why do we need to standardize the NaOH solution
1 answer
Q: Why do we standardize NaOH
1 answer
Q: Why do stinky potatoes emit such a strong odor
1 answer
Q: Why do strong acids dissociate completely in solution
1 answer
Q: Why do suspensions separate and how does this process occur
1 answer
Q: Why do the emission spectra for hydrogen and helium differ
1 answer
Q: Why do they cover dead bodies with lime
1 answer
Q: Why do they put lime in graves
1 answer
Q: Why do they put sodium bicarbonate in water
1 answer
Q: Why do things change temperature
1 answer
Q: Why do things rust and what factors contribute to the process of rusting
1 answer
Q: Why do shorter strands of DNA move faster in gel electrophoresis
1 answer
Q: Why do smaller atoms exhibit higher ionization energy compared to larger atoms
1 answer
Q: Why do smelly potatoes emit such a strong odor
1 answer
Q: Why do soaps feel slippery on our hands
1 answer
Q: Why do solids not affect equilibrium in a chemical reaction
1 answer
Q: Why do some chemical reactions release heat while others absorb heat
1 answer
Q: Why do some people prefer to use lemon on fish
1 answer
Q: Why do some salts dissolve spontaneously
1 answer
Q: Why do some salts, like sodium chloride, dissolve spontaneously
1 answer
Q: Why do phase changes occur and what factors influence the transition of matter between different states
1 answer
Q: Why do polar and non-polar substances not stay mixed with each other
1 answer
Q: Why do proteins absorb light at 280 nm and what is the significance of this absorption in their structure and function
1 answer
Q: Why do real gases deviate from ideal behavior
1 answer
Q: Why do reversible reactions always result in chemical equilibria
1 answer
Q: Why do salts dissociate in water and what factors influence this process
1 answer
Q: Why do scientists use moles in chemical calculations and measurements
1 answer
Q: Why do scorpions glow in the dark and what is the reason behind their unique ability to emit fluorescence under ultraviolet light
1 answer
Q: Why do my potatoes smell like chemicals
1 answer
Q: Why do my potatoes smell like poop
1 answer
Q: Why do natural sources of chlorine not cause as much harm to the ozone layer as CFCs
1 answer
Q: Why do non-metals tend to gain electrons instead of losing them
1 answer
Q: Why do nonmetals rarely lose electrons in chemical reactions
1 answer
Q: Why do onions taste spicy
1 answer
Previous
31
32
33
34
35
36
37
38
39
40
Next
Trending Questions
What is pseudo critical pressure and temperature?
How many moles are in 48g of carbon?
Does gravel conduct electricity?
How is acid rain formed from sulfur trioxide?
How long is Lactaid good for after the expiration date has passed?
In terms of the periodic table is there a gradual or abrupt change when it comes to covalent bonds?
Is ammonia an acetone?
Has there always been oxygen in the air?
How many unpaired electrons are present in the Fe2 ion?
Why does creatinine go down?
What is true about liquid?
How do you make pH 9 buffer solution?
Is water stronger than fire?
Why does bromine have different mass numbers?
What is the VSEPR of AlCl3?
Does a stronger acid make indicator paper red or orange?
Why pbcl2 is more stable than pbcl4?
Is possible to pregnant even if the test says negative?
Is it 30vol or 20 vol you mix with a permanent color?
Why plates will dry faster when placed on rack?