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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 is the valency and formula of and aluminate ion
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Q: Will baking soda clear your urine of meth
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Q: What are weak forms and strong forms
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Q: What happened when the piece of chalk was broken into pieces what there a change
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Q: Is canvas synthetic
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Q: Why sand is used to put off the fire
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Q: Is stone is a sample of matter
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Q: What main part of a fuel cell is made out of a polymer
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Q: What molecule in the ground is nitrogen found where there is no oxygen around
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Q: How can you tell if a solid has not dissolve
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Q: What is the reaction of Ag2CO3 plus HNO3
5 answers
Q: What is the Lewis electron dot structure for Na Cl
1 answer
Q: When a saturated solution is heated can it recrystallize more crystals
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Q: How fast does hydrogen peroxide evaporate
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Q: Is p2o3 ionic or molecular
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Q: When red litmus paper is placed in coke what colour does it change to
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Q: How much does a green chili weigh
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Q: What would happen if oxygen are not available
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Q: How much does a galloon of methanol weigh
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Q: Is butter and sugar being made into toffee a physical change
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Q: Does coal pollute
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Q: How many moles are present in 4g sodium hydroxide
1 answer
Q: Why smoke occupies space
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Q: What type(s) of intermolecular forces are expected between HCOOCH2CH2CH3 molecules
3 answers
Q: What type(s) of intermolecular forces are expected between CH3CH2CONHCH3 molecules
2 answers
Q: What type(s) of intermolecular forces are expected between CH3CH2COOCH2CH3 molecules
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Q: Why did the potassium permanganate move through the water
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Q: What happens when a drop of oil is stirred into a glass of water
4 answers
Q: Why is 2-ethylpropane incorrect
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Q: What is the charge for iodine
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Q: How would you characterize the diffusion of solid liquid and gas
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Q: Why do sodium and chlorine combine so easily
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Q: What gas enters the atmosphere after burning wood or coal
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Q: Which of these materials is an emulsion a. Gelatin b. Milk c. Paint d. Saltwater
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Q: What does the electron transport train produce
5 answers
Q: Why is it important to neutralize an acid spill before attempting to clean it up
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Q: What does the Avogadro number represent
4 answers
Q: Is leaves a sample of matter
2 answers
Q: Why is stoichiometry a useful tool for chemists
1 answer
Q: Why ammonia react with nitric acid
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Q: What are the errors in determining the concentration of sodium chlorine
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Q: Why are strong and weak interactions important
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Q: How many kilojoules are released when 81.4 g of methanol reacts
2 answers
Q: How long do you centrifuge the serum separator tube (SST)
2 answers
Q: Is cornstarch homogeneous or heterogeneous
7 answers
Q: Is ability to react to acid a chemical or physical
2 answers
Q: What is the rule about the number of outer electrons that make up an atom
2 answers
Q: What is another word for iron-oxide
2 answers
Q: How many numbers of electrons are on the outer ring of magnesium
2 answers
Q: How would the steps of this tracing differ if the urea were recycled
1 answer
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