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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: In the nitrogen cyclebacteria fix nitrogen from the atmosphere to form
1 answer
Q: How many acid tabs makes you insane
2 answers
Q: What is the difference between a closed system and open system chemical reactions
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Q: What species is reduced in the reaction Fe plus AgNO3 Fe(NO3)3 plus Ag
4 answers
Q: An element is made up of only one kind of what
4 answers
Q: What is the name of the ionic compound NiCO3
1 answer
Q: Liquid water and ice are the same substance h20 how would you
2 answers
Q: A small piece or part of something like a piece of glass is called what
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Q: Identify three common solutions used in the kitchen. list the solutes and solvents found in each one.
2 answers
Q: What is the mass number or neon
1 answer
Q: An engineer chooses to use a natural adhesive for a building project instead of a heavy duty chemical that releases harmful fumes this is a example of
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Q: Which is an in found in glass of water
2 answers
Q: What is the arrangement of the first 20 elements in the periodic table
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Q: You are trying to calibrate a celsius thermometer. when you place the thermometer into a beaker of boiling water what should the thermometer read
1 answer
Q: What is the balanced equation for the combustion of magnesium
1 answer
Q: How much would the boiling point of water increase if 4 mol of sugar were added to 1 kg of water if Kb for water is 0.51 degC kg per mol for water and i is 1 for sugar
3 answers
Q: What is the most common metals in the world
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Q: Can phosphorus rust
1 answer
Q: There are six elements that make up most of the human body. Which of the following is not one of these six elements
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Q: Atoms join up in fractional numbers to form molecules true or false
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Q: A base has more what kind of ions than does a neutral solution
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Q: What does the subscript 2 show in this chemical equation
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Q: When wood is burned in a closed container its mass does not change is that observation or law
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Q: HI is what type of molecule
2 answers
Q: Which gas can evolve when an acid reacts with chalk
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Q: How do you prepare 0.1Molar thiobarbituric acid
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Q: Steel is a metal or non metal
6 answers
Q: Is C4H10 an acid
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Q: Is HCHO2 an acid
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Q: Why is blood so slippery
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Q: What are control rods are made of
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Q: What is factual statement about carbon
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Q: Is apple pie heterogeneous mixture
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Q: In an ABACA form thew A section would most likely be heard
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Q: Minerals will form from a solution when the liquid from the solution evaporates true or false
6 answers
Q: In the nitrogen cycle bacteria combine nitrogen gas with hydrogen to form ammonia in a process
2 answers
Q: Newly formed atoms more neutrons and kinetic energy are all
2 answers
Q: Why do potato chips have high energy levels
1 answer
Q: When calcium carbonate and hydrochloric acid react bubbles form. How do you know a reaction occurred
1 answer
Q: The most active metal would be the one that is
4 answers
Q: In general the atomic radius of an atom as you move down a column in the periodic table
6 answers
Q: When oxygen accepts electrons water is produced as a byproduct.
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Q: The molar mass of aluminum chloride is grams
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Q: Cyanide is historically found in the following EXCEPT Gold and silver mining operations seeds of plants teflon or burning plastics.
1 answer
Q: If you pour salt into water what is created is it a solution
3 answers
Q: What is NaHO3C
1 answer
Q: In the following compound al2o3 aluminums oxidation number is plus 3 and oxygen's oxidation number is
2 answers
Q: Tim has formed a close bond with his parents. What is the term for this bond
2 answers
Q: What is the name for C7H10
1 answer
Q: Is iodine and water homogeneous or heterogeneous
10 answers
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