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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: Is MgBr2 ionic covalent or polyatomic
1 answer
Q: Is K2SO4 ionic covalent or polyatomic
1 answer
Q: Is Ag2O ionic covalent or polyatomic
6 answers
Q: What compound does calcium sulfur and oxygen make
1 answer
Q: Why must china import petroleum natural gas and coal
2 answers
Q: What is made of silicon and oxygen
2 answers
Q: What does the Aufbau principle state
8 answers
Q: What is the percent of calcium chloride in cacl2
1 answer
Q: What is the oxidation state Cl in HClO3
6 answers
Q: What is the Lewis dot gram for SCl6
2 answers
Q: Does oxygen go to our lungs
1 answer
Q: What is fluoroantimonic acid on a pH scale
1 answer
Q: What is the smell when salisielsuur and methanol
1 answer
Q: What type of bond exists in all organic compounds
2 answers
Q: When puts water sugar and yeast into a balloon how the mass of the balloon will change
1 answer
Q: Which formula for sulfuric acid is written correctly to show one sulfur atomtwo hydrogen atoms and four oxygen atoms
1 answer
Q: What metal reacts with acids and sounds like you might wash your dishes in it
1 answer
Q: Why does the formic acid give positive test with Tollens reagent
2 answers
Q: When an engineer is making a mixture of metals to make steel for the frame of a building what two properties should the steel have
2 answers
Q: When you add sugar to tea the volume of the tea does not appear to change. Explain this observation
1 answer
Q: Which compounds do not exist in independent molecular form
2 answers
Q: Where does hydrogen cyanide come from
1 answer
Q: Is glue a solid liquid or gas
3 answers
Q: What atom is found in proteins but not in carbohydrates and lipids
3 answers
Q: When 5.10 kJ of heat energy is added to a 430 g sample of silver
2 answers
Q: What is the balance equation for solid aluminum chloride is formed when elemental aluminum is burned in chlorine gas
1 answer
Q: What type of bond connects the nitrogenous bases to each other in a molceule of DNA
1 answer
Q: How does chemical weathering differ from machanical weathering
1 answer
Q: Is mg a metal
2 answers
Q: What type of reaction is pb (no3)2 plus 2ki
1 answer
Q: What is heartburn science questions
1 answer
Q: What food can a liver not break down
2 answers
Q: What do living cells use for fuel
1 answer
Q: What is NHSO4(s)
3 answers
Q: What is the average mass of two atoms for beryllium
2 answers
Q: When sugar is dissolved in water water is called a
2 answers
Q: Scientific method answers on elephant toothpaste
1 answer
Q: What is the glue adhesive in a Elastoplast band aid consist of
1 answer
Q: What is the melting point of sodium in degrees Fahrenheit degrees Celsius and in kelvin
2 answers
Q: What pair of atoms can form an ionic bond
3 answers
Q: Is carving a statue with marble a physical of chemical change
2 answers
Q: Is Li3N compound or ionic
1 answer
Q: Where does the word condensation come from
1 answer
Q: What dangerous precipitation is produced when sulfur compounds react with water in the atmospshere
1 answer
Q: What is the white precipitate produced from Ca plus H2O
3 answers
Q: Is Na OH an ionic compound
1 answer
Q: Which common mineral fizzes when dilute hydrochloride acid (HCI) is placed on it
1 answer
Q: What is the formula for ionic compound formed between barium and sulfur
7 answers
Q: What is the change of molten iron cooling and solidifying
2 answers
Q: What is the difference between oxygen and oxide
2 answers
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