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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 elements have symbols that are the same as the element
1 answer
Q: Is nitrous acid binary or oxyacid
1 answer
Q: What would be the spatial arrangement (shape) of the atoms of the methyl anion CH3-
2 answers
Q: What chemical properties are required in a coin
10 answers
Q: What is the average mass of the atoms element
6 answers
Q: What happens to the pH when adding baking soda water to weak acids
1 answer
Q: Is lithium iodide a heterogeneous
1 answer
Q: How many boron atoms are there in 1 molecules of BF3
2 answers
Q: What is the Balanced equation for copper sulfate and potassium phosphate
1 answer
Q: What are the two main points of osmosis
1 answer
Q: What happens when you mix liquids with gas
1 answer
Q: What was the number of protons in yttrium
8 answers
Q: What does your body get by breaking down covalent bonds and making new ones
1 answer
Q: Is boron conductor
2 answers
Q: Is boron luster
2 answers
Q: Why is fluorin more reactive then chlorine
1 answer
Q: What is the volume of rubber stopper
1 answer
Q: What are the methods used to remove permanent hardness of water
1 answer
Q: What is the difference between water quantity and water quality
2 answers
Q: Why does carbon dioxide not appear on the periodic table
2 answers
Q: When Compared to ionic compounds molecular compounds generally have
1 answer
Q: In an electron dot diagram two pairs of shared electrons represents a
2 answers
Q: What else is produced when sodium carbonate decomposes Na2CO3 Na2O plus
1 answer
Q: How The spectral lines produced by elements all look the same.
1 answer
Q: What is the molality of a solution made by dissolving 2 mole of NaOH in 6kg of water
2 answers
Q: In the models what particles do the colored and plain sesame seeds represent What particles do the poppy seeds represent
1 answer
Q: Where is a electron located
6 answers
Q: What product formed when D- glucose react with bromine water
2 answers
Q: In the reaction MgCl2 plus 2KOH and 65532 Mg(OH)2 plus 2KCl how many moles of KOH react with 1 mole of MgCl2
2 answers
Q: What is the purpose of spray bottle
2 answers
Q: What are the best conditions for rusting
1 answer
Q: What Element resists bond formation
1 answer
Q: What is the result if a few drops of sodium hydroxide solution and copper textraoxosulphate were added to a sample of urine
1 answer
Q: What happens to Iron III chloride when heated
1 answer
Q: What different colors that acids turn in
1 answer
Q: What happens when tin reacts with phosphoric acid
1 answer
Q: How would you prepare 100 ml of 0.4 M magnesium sulfate from stock solution of 2 M magnesium sulfate
2 answers
Q: What are carbon containing compounds
2 answers
Q: How many atoms are in 25.0 moles of calcium
2 answers
Q: What liquid non metal has the same energy level of calcium
5 answers
Q: What non metal liquid has the same number of energy levels of calcium
2 answers
Q: How much energy is required to ionize a hydrogen atom in its ground (or lowest energy) state
4 answers
Q: What is the pka of .012M solution and a pH of 2.31
2 answers
Q: What state is phenol at room temperature
4 answers
Q: What kind of element is bromine in
1 answer
Q: What is NaOH correct charge
1 answer
Q: In this experiment you compare several unknown powders to known powders. What is the name given to all of the known materials used for comparison in this experiment
1 answer
Q: Is tires deflating a physical or chemical change
10 answers
Q: ARE fingernails nucleic acids
1 answer
Q: What are the main ideas in Dalton's atomic theory
6 answers
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