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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: What is the balancing act of stars
1 answer
Q: How many moles of lithium chloride will be formed by the reaction of chlorine with 0.046 mol of lithium bromide in the following reaction
1 answer
Q: What tells you how heavy an element's atoms are compared with atoms of other elements
2 answers
Q: What are the similarities of ch4 and ccl4
2 answers
Q: What ion would calcium fluorine potassium and oxygen form
1 answer
Q: What conditions determine the solubilities of solid liquid and gaseous solutes in a solvent
5 answers
Q: Which element has the following configuration 6s24f75d1
1 answer
Q: What is the net ionic equation for the reaction 2KOH(aq) H2SO4(aq) 2H20(l) K2SO4(aq)
1 answer
Q: What charge forms potassium
1 answer
Q: Which element will most likely form covalent bonds with fluorine
2 answers
Q: What is the scientific name when sugar dissolves in water
1 answer
Q: What are the shortcomings of Rutherford's atomic theory
8 answers
Q: When a sample of gas is heated what happens to the motion of the particles
2 answers
Q: How many hydrogen molecules are in 31.8 L H2(g) at STP
2 answers
Q: Where were the atoms in your body formed
2 answers
Q: What is a chemical property of transition elements A. brightly colored B. Great ductility C. Denser than alkali metals D. Reacts little with oxygen
2 answers
Q: How many grams of sodium metabisulphite is needed to make 0.01N solution
1 answer
Q: What is a material that can flow easily called
2 answers
Q: When oxygen combines with hydrogen what substance is form
1 answer
Q: How does ethanol reacts with fat
1 answer
Q: How many atoms of carbon are included in one formula unit of the compound Na2C2O4
3 answers
Q: What is 2 parts hydrogen and 1 part oxygen
1 answer
Q: When the redox reaction S2O82- Cr3 SO42- Cr2O72- is balanced in acid solution the coefficients in front of these four species are
1 answer
Q: What is the pH level of caprisons (strawberry kiwi)
1 answer
Q: When you balance a chemical equation why can you change coefficient of reactants or products but not subscripts
1 answer
Q: What is the acid pairs type of substance it donates
1 answer
Q: What is the electric charge of an oxygen atom that gains 2 electrons in an oxygen ion
1 answer
Q: What separate carbonate and sulfide from halides sulfate and phosphate
2 answers
Q: When nitrogen and hydrogen combine what will be the ratio of hydrogen atoms to nitrogen atoms in a molecule resulting compound
2 answers
Q: Dissolve 2 moles of NaOH in 6 kg of water
2 answers
Q: What reaction would have an increase in entropy
3 answers
Q: Which chemical removes laundry stains
1 answer
Q: How many ppm in 1 mg potassium
1 answer
Q: When a lithium ion and nitrate ion combine
1 answer
Q: How does oxygen move during respiration
1 answer
Q: What is the word equation for the reaction of propanol ethanoic acid
1 answer
Q: What if water didn't exist
3 answers
Q: Why the rates of diffusion of nitrogen gas and carbon monoxide are almost identical at the same temperature
2 answers
Q: Does oxygen hurt us
2 answers
Q: What element is in the same group as AL
2 answers
Q: What is oxidized in an electolytic cell with aluminum and gold electrodes
3 answers
Q: What events led Alfred Nobel inventing on dynamite
1 answer
Q: When presenting what key elements can make it successful
1 answer
Q: What will neutralize a basic solution
3 answers
Q: What are some compounds for nitrogen
2 answers
Q: What is the modern name of Eka Boron
1 answer
Q: Is iron denser than helium
2 answers
Q: What is the name for FeCl3 using the IUPAC nomenclature rules
2 answers
Q: How many liters are in 3.50 grams of carbon monoxide at stp
2 answers
Q: How does a balanced chemical equation show the conservation of mass
1 answer
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