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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 grams of NO are produced from the reaction of 2 mol of N2 with 2 mol of O2
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Q: Why did Washington sheffield want to invent toothpaste
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Q: What type of bond is air
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Q: How many grams of cuso4 5h2o that will dissolve in 100 g of H2o at 100 degree
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Q: How should fuels and chemicals be stored on farm
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Q: What are the 2 process that add salt to seawater
1 answer
Q: Can a substance get stuck in a cell
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Q: What would happen if an atom of fluorine came into contact with an atom of neon
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Q: Who invented the first chemistry lab
1 answer
Q: What does Mastering Chemistry mean when it says enter your answer using dimensions of mass
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Q: Do O and O form polar covalent bonds
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Q: What are the properties of acid and alkalis
1 answer
Q: How does food move in opposite direction during vomiting
1 answer
Q: What color mix makes aluminium color
1 answer
Q: Do chlorine and potassium bromine react
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Q: What type of mixture is sponge cake a heterogeneous or homogeneous
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Q: When electricity is passed through acidified water bubbles are formed this is because water
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Q: Why breathing on to a cold window causes water vapour form your mouth to condense
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Q: How many moles of carbon dioxide (CO2) are produced when reacting 6.00 moles of butane (C4H10) in excess oxygen (O2)
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Q: Why copper reacts with silver nitrate solution
2 answers
Q: Does a compound called calcium aluminide exist
1 answer
Q: Are phthalates banned
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Q: How can I tell the difference between aluminum and pewter
1 answer
Q: Is sulphur a soft substance
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Q: Can we store zinc sulphate solution in copper vessel
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Q: How is gold extracted form the ore
1 answer
Q: Does the presence of another substance affect the rate of diffusion
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Q: Can terylene be recycled
1 answer
Q: Is sodium nitrite a food preservative
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Q: Why potassium permanganate is used as a self indicator in the titration of oxalic acid
1 answer
Q: What definition occurs when particles in a gas lose enough energy to form a liquid
2 answers
Q: What is one greenhouse gas that does not occur naturally
1 answer
Q: What is the container in which 100cc of water would be heated to 100c
1 answer
Q: How do you make the compound of potassium and bromine
1 answer
Q: In a chemical equation the products are to the blank of the arrow and the reactants are to the blank
1 answer
Q: What type of reaction take place in a nuclear reactor
2 answers
Q: Which of the following can occur to water at 100 ºC
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Q: After 1911 most scientists accepted the theory that the nucleus of an atom was very dense and very small and has a positive charge. What led scientists to accept this theory
2 answers
Q: What type of bonds are formed from transferring electrons
1 answer
Q: What piece of information do you need to determine whether a molecule is an alkyne or an alkene
2 answers
Q: How many moles of sugar are in one can of soda
2 answers
Q: What is the texture for tantalum
2 answers
Q: Is wiskey acidic
1 answer
Q: What do hairdressers use with acids and alkali's
1 answer
Q: Is tea a mixture or a compound or a element
2 answers
Q: What is the main source of energy used when you eat
2 answers
Q: How do acidic gases work
1 answer
Q: How you could prove which substances are acids.
1 answer
Q: What are organisms that release oxygen
1 answer
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