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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 a substance changes from a solid to a liquid occurs
2 answers
Q: Na2s explain what this formula means
2 answers
Q: Why activated carbon is used for arsenic removal
1 answer
Q: What element is inert
2 answers
Q: Hydrogen ions (H plus ) react with hydroxide ions (oh-) to form
2 answers
Q: Which elements are in BaCI2
3 answers
Q: How does a spoon get hot in hot water
2 answers
Q: Where is carbon located on the periodic table
13 answers
Q: What is a substance that changes color when mixed with an acid or base
2 answers
Q: What are large molecules made of carbon hydrogen oxygen nitrogen and sometimes sulfur called
3 answers
Q: What are two examples of compounds
2 answers
Q: What is the name of a gas produced by bacteria that's responsible for a fart's rotten egg odor
3 answers
Q: How many atoms does Pb(NO3)2 have
6 answers
Q: If an atom has four valence electrons is it an anion
2 answers
Q: What would happen if O2 were added to N2(g) plus O2(g) at equilibrium
2 answers
Q: What is the strong base and a weak base
2 answers
Q: Is there acid in lye
4 answers
Q: What chemical change is likely to occur when a metal chair is left outside in the air and rain
2 answers
Q: Is pepperoni a mixture compound or a element
1 answer
Q: Breaking down food to get energy requires that help chemical reactions take place.
2 answers
Q: Acids and bases have many uses around the home and in industry.
6 answers
Q: Does watermelon have citric acid
1 answer
Q: Do sweet peppers have citric acid
1 answer
Q: How does borax turn the glue liquid into slime
1 answer
Q: Which of the shows both the correct formula and correct name of an acid
1 answer
Q: What is the nonmetal in period 4 that is more reactive than selenium
1 answer
Q: Is Germanium covalent
1 answer
Q: Is the following sentence true or false the average salinity of seawater is 35 percent
1 answer
Q: From what class(es) of elements is the following compound made copper I chloride
3 answers
Q: What element would a metal like sodium most likely combine with
1 answer
Q: What statement about saturation is true
1 answer
Q: How is the bond F2 different from the bond in KC1
1 answer
Q: This painting medium uses turpentine as its solvent and uses chemicals to dilute blend and clean up.
2 answers
Q: Why are silicon and oxygen important with respect to crystal structure
1 answer
Q: Where is phosphorus found in nature
1 answer
Q: Pots have wooden handles to minimize heat transfer by
1 answer
Q: What is Sensitized material
1 answer
Q: Why should sand be poured to put out fire
2 answers
Q: How do you prepare 0.02m Naoh from 1M Naoh solution
1 answer
Q: How does the type of paper affect how long it burns
1 answer
Q: HCI plus NaOH plus H20 plus NaCI
2 answers
Q: What do the following organic chemicals have in common
1 answer
Q: Describe what happens at the particle level when copper chloride is put into water
1 answer
Q: What is difference between down-cycling and recycling
1 answer
Q: How many atoms are in glucose
2 answers
Q: How do you draw up 0.7 ml on a 3 ml syringe
2 answers
Q: What is the density of bisalloy 500
1 answer
Q: Condensation occurs when a is changed into a
1 answer
Q: There is an acid that smells like sweaty socks. When alcohol is added to it and the mixture is heated no change is visible but a new odor of sweet apples fills the room. Which of the following is the
1 answer
Q: Is bubbles fizzing a physical or chemical change
2 answers
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