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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: How many moles of potassium chloride are there in a 100.0g sample of potassium chloride
1 answer
Q: What is the List of sub shells of of M shell in order of increasing energy
2 answers
Q: What is the lightest of all structural metals
3 answers
Q: How many protons neutrons and electrons make up atom of nitrogen-15
9 answers
Q: What is the evidence of chemical change
1 answer
Q: How is sulfur separated from the materials found with it
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Q: What do you call a compound containing potassium and chlorine
1 answer
Q: Why the dried neem leaves are put in the container in which wheat is stared
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Q: Is al2se3 ionic or molecular compounds
1 answer
Q: What is an atom called when it gain an electron
11 answers
Q: How many moles does 3.80 g Zn have
2 answers
Q: What happens when when you combine calcium and sulfur
1 answer
Q: How many atoms are in 4HNO3
1 answer
Q: How many atoms are in HBr
3 answers
Q: Why do proteins need a neutral pH
1 answer
Q: What is Science compound
2 answers
Q: Why do the American chemical society hold national and regional meetings as standard practice
1 answer
Q: Is a freshly squeezed orange juice a homogeneous or a heterogeneous
6 answers
Q: What is the chemical solution that disinfects sinks table tops food equipment
2 answers
Q: What happens when you add 1 spoon of calcium chloride 1 spoon of citric acid and 50ml of water
1 answer
Q: What type of bond occurs when an atom shares one or more pairs of electrons with another Adam
1 answer
Q: Is Teeth crushing food Physical or chemical
2 answers
Q: What are the compounds that make up baking soda
2 answers
Q: In an experiment you use 0.457 L from one container and 0.432 L from another container of acetic acid in a reaction. How many MILLILITERS (mL) of acetic acid are you using
3 answers
Q: What elements combine make chalk
2 answers
Q: What properties of solid metals can be explained by the structure of and the bonding among the metal atoms
1 answer
Q: Can I use an iodine on boils
1 answer
Q: What is the ratio of hydrogen to ammonia
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Q: What is purposely changed during a experiment
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Q: What is the mass of 0.5 moles of calcium carbonate
1 answer
Q: What type of molecule stores energy and provides thermal insulation for the body
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Q: What is an scientific term for stuff
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Q: What is the chemical composition for ammonium sulfate
2 answers
Q: How long for soda can to decompose
1 answer
Q: What will happen if the pressure on a sample of gas is raised three times and it's temperature is kept constant
2 answers
Q: In Based on the chart which substance is most acidic
1 answer
Q: What is the Sanskrit word for fragrance
1 answer
Q: What element needed for plant growth in potassium sulphate
1 answer
Q: What is this number 9223372036854780000
2 answers
Q: If 6 moles of a compound produce 84 j of energy what is the H reaction in jmol
3 answers
Q: What is the color of iron two carbonate
2 answers
Q: Is arsenic an acid or base
2 answers
Q: Is Cyclohexane ionic or covalent
2 answers
Q: Is muriatic acid a compound or mixture
1 answer
Q: What is bugger acids
1 answer
Q: IS alka-seltzer gives off carbon dixide when added to water a chemical
1 answer
Q: What color does cerise and black make
2 answers
Q: Is water freezing at 0 degrees a physical change
2 answers
Q: How many grams of sulfuric acid can be made with 75 grams of sulfur
2 answers
Q: What kind of charge does the element calcium have
1 answer
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