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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 can you justify that a reaction between magnesium and oxygen is a redox reaction w hile the reaction shows only addition of oxygen 2mg plus O 2mgo
2 answers
Q: What does the state symbol mean when written after a chemical compound in a chemical equation
2 answers
Q: What is the chemical formula of the compound made by combining lithium and fluorine Use Lewis structures to help you decide your answer.
1 answer
Q: What are the product formed when excess ethane reacts with chlorine in the presence of sunlight
1 answer
Q: What is the empirical formula for a molecule containing 46. Si and 53.2 of O
1 answer
Q: What element is in sulphuric acid hydrochloric acid nitric acid and ethanoic acid
2 answers
Q: How many ions are in 1.33 moles of PO4-3
2 answers
Q: What is the product when ethanol react with excess acidified kmno4
1 answer
Q: Is h2o monohydrate
1 answer
Q: If 1.8 L of water is added to 2.5 L of a 7.0 M KOH solution what is the molarity of the new solution
2 answers
Q: What does passive smokers mean
2 answers
Q: Why can 6-aminohexanoic acid undergo a polymerization reaction with itself
1 answer
Q: Is cardborad inorganic
1 answer
Q: What happens to water at 1000 degrees Celsius
1 answer
Q: How much would the boiling of water increase if 4 mol of NaCl were added to 1 kg of water
2 answers
Q: What is dialyslate
1 answer
Q: What is achieved thru the separation of crude oil
1 answer
Q: How long douse it take for a orange peel to decompose
1 answer
Q: What is the atomic number of acetate
2 answers
Q: Is selenium monoxide ionic or covalent
1 answer
Q: What observation can be seen in a combustion tube when hydrogen gas is passed over heated copper II oxide
1 answer
Q: Will sulfuric acid and ammonia yield an acidic or basic or neutral solution
1 answer
Q: What does coal contain
1 answer
Q: What is the chemical name for C4H4O6
1 answer
Q: How many atoms of aluminum sulfur and oxygen are in 3 molecules of aluminum sulfate
2 answers
Q: Is oh a compound word
1 answer
Q: What is the compound name for C6H7O2(OH)3
1 answer
Q: What elements joint together to create compounds
1 answer
Q: Is sugar water a insulator or conductor
1 answer
Q: What element is white
2 answers
Q: How are the atoms in water held together
7 answers
Q: Can you make a sentence for chewiest
1 answer
Q: How many sugars do complex carbohydrates contain
1 answer
Q: What term describes the loss of electrons that can create free radicals that destroy chemical bonds
1 answer
Q: How much difference is one troy once of gold compared to 1 US ounce of gold
2 answers
Q: What are eleven elements are common in living things
1 answer
Q: What is the molecular formula of the compound formed by gallium and arsenic
7 answers
Q: What process is taking place in this diagram
2 answers
Q: Why does a mixture of enzyme stop turning the drops of iodine soloution
1 answer
Q: Is CaS ionic pr covalent
1 answer
Q: Why do gases spread and mix together faster than water
1 answer
Q: What compounds can copper form with a O2 ion
2 answers
Q: How many grams of chlorine to produce 10 grams of table salt
1 answer
Q: Is sugar syrup homogeneous or heterogeneous
2 answers
Q: How many neutrons are in ni
2 answers
Q: Is starch a sugar
2 answers
Q: What life stage is often defined by physical changes increased decision making and a search for self
3 answers
Q: Can ionic substances have high or low melting points
8 answers
Q: What volume of water can be boiled by 3 kJ of energy
2 answers
Q: How was lime sinks created
2 answers
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