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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 elements do not react with americium
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Q: Is oxygen fluoride covalent or ionic
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Q: How many moles of silver chloride can be produced from 7.0 mol of silver nitrate
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Q: How many moles of Ba(OH)2 are in 2400 grams of Ba(OH)2
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Q: Why does hydrogen fluoride have a low melting point
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Q: What are three factors that affect the percentage of water in the air
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Q: When sulfur is bright yellow solid is it chemical or physical change
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Q: What is the mass in grams of 1.00 X 1012 lead (Pb) atoms
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Q: Is ionic the same thing as polar
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Q: What type of change is cutting bread
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Q: What is the element with with an electron configuration of 1s22s22p63s23p64s23d7
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Q: What is a compound that produces an excess of hydrogen ions in water
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Q: Mendeleev combined the ideas of two earlier scientists who were these scientists and what did they do
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Q: How does the absorption of water by roots helps photosynthesis to take place
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Q: Why is stoup important
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Q: Can humans survive on oxygen from algae alone
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Q: What are all the examples of pure substances
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Q: What is the name of Co(NO3)2 in chemistry
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Q: What changes taken place during evaporation
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Q: Can heating cheese cause the particles to move slower
4 answers
Q: Is CaCl2 made up of molecules
2 answers
Q: What happens when you get potassium alum in your urethra
1 answer
Q: What is the chemical formula that can explain hydroponic plants
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Q: How do you make an acid or a base neutral
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Q: How many atoms are in a silicon oxygen tetrahedron
3 answers
Q: What substance is created when you combine sodium and chlorine
1 answer
Q: What would indicate that a chemical change may be occurring
3 answers
Q: Is chemise feminine or masculine in french
1 answer
Q: Which statement describes heterogeneous mixtures
5 answers
Q: How many elections are in Sulfur
1 answer
Q: What is the process that separates crude oil into different fuels and other substances
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Q: How many liters are in 5.4x1024 molecules of nitric oxide at STP
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Q: How many molecules are in 110g of iodine gas (I2)
2 answers
Q: What kind of chemical bond is formed by transfer of electrons between alkali metal and halogen
10 answers
Q: The appropriate mixing ratio for a solution to kill blood-borne pathogens is 1 part chlorine to 10 part water. If you are mixing a solution in a spray bottle with 15 ounces of waterhow much chlorine
2 answers
Q: Why is hydrous copper sulphate blue
1 answer
Q: What places do you find hydrogen bonds
1 answer
Q: What coefficient does Al(s) have in the balanced equation
2 answers
Q: How would you test for gas when KMnO4 is heated
1 answer
Q: What changes occur at the molecule level when butter melts in a hot pan
2 answers
Q: What makes an increase in temperature change the reactions rate
5 answers
Q: What happens when aqueous bromide ions react with chlorine gas
1 answer
Q: What has a liquid mixture in which particles settle out
1 answer
Q: What is the first step in writing a formula for a binary ionic compound
2 answers
Q: What is the common kitchen item is classified as being a acid
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Q: What is betapyn used for
1 answer
Q: Is Baking soda safe on dog
1 answer
Q: Why would the mass of a sample containing calcium get larger after a reaction
1 answer
Q: What happens when salt and glue are mixed together
2 answers
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