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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: What pattern or trend do you notice between atomic radius and electronegativity energy
3 answers
Q: What is the purpose of soda lime in the experiment of detecting common element in organic compounds
1 answer
Q: Is FePO4 molecular or ionic
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Q: What is Cs3P2
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Q: Why is ammonia important to life
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Q: What is a process of pulling apart an N molecule
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Q: What is the charge of nickel
7 answers
Q: What feature on the periodic table separates the metals and non-metals
1 answer
Q: Is gasonline burning physical or chemical change
2 answers
Q: Is sugar dissolving in water physical change or chemical
3 answers
Q: What the difference between texture and composition
2 answers
Q: What are the collection of elements that make up comets
1 answer
Q: What kind of changesphysical or chemical if the starch in pizza crust turns to sugar
1 answer
Q: What 3 things store energy in chemicals
2 answers
Q: How do the ionic radii vary within a group of metals how do they vary within a group of nonmetals
1 answer
Q: What is the oxidation number of sulphur in caso4 so4s02s03
1 answer
Q: What might happen if a drop of each magnesium barium and strontium was held in a flame of a lab burner
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Q: What is the formula for gold II acetate
1 answer
Q: Why does the solution must be mixed throughout the experiment
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Q: What is a very toxic chemical when welding
1 answer
Q: What is Hydrochloric acid (hcl) dissociates completely into an h plus ion and a cl- ion when dissolved in water
2 answers
Q: What are the safety precautions of calcium carbonate
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Q: What is the oxidation state of the nitrogen atom in the compound Na3N
1 answer
Q: Is soap strong or weak alkali
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Q: What happens when you react potassium with oxygen
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Q: Why powdered zinc reacts more rapidly with sulfuric acid than a large piece of zinc of equal weight does
1 answer
Q: Why silver and gold metals used
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Q: What are some ways we can keep iron away from air and water
1 answer
Q: What is the difference between suboxone and subatec
1 answer
Q: Why is oxygen called the active part of air
1 answer
Q: What Is C8H9N4O2
1 answer
Q: Is Epsom salt a good desiccant
2 answers
Q: How many molecules of water are needed to completely hydrolyze a polymer that is 20 monomers long
1 answer
Q: Can Bromide be aqueous
1 answer
Q: What is the name for the ionic compound CaSO4
6 answers
Q: When 100. ml of when 100. ml of 0.125 m hcl is diluted to 250. ml the resulting molarity of the hcl solution i0.125 m hcl is diluted to 250. ml the resulting molarity of the hcl solution i
2 answers
Q: In what situations would mass be conserved
3 answers
Q: When we need energy but don't have a lot of carbohydrate coming in our liver can make what for energy
1 answer
Q: Why are elements in group 18 are all gases
1 answer
Q: What phrase best describe bituminous coal
1 answer
Q: What is needed fora solid to sublime and what change of state occurs
2 answers
Q: What compound forms precipitates in limit test of chloride
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Q: How much in 500 grams in ounces
2 answers
Q: What ion Nitrogen is likely to form
1 answer
Q: Is K2CO3 ionic or covalent
2 answers
Q: What will dissolve tar
1 answer
Q: What is the Advatages of forming capacity of soap
1 answer
Q: How many grams are in 3.3 moles of potassium sulfide K2S
1 answer
Q: Why is the navy or dark blue tube used for collecting blood determining the level of metals
1 answer
Q: What is the texture for tungsten
2 answers
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