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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: Hexane is an organic solvent that has a density of 0.6603 g cm at 20c if hexane is mixed with water there is a separation of the two solvents into two layers why did this separation occur which solven
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Q: Solutions of hydrochloric acid caused the light bulb to glow brighter than solutions of acetic acid how do you account for thedifference in behavior between these two compounds
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Q: What is the colour of sodium carbonate
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Q: 452 Ml of water turned into liters
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Q: Electrons are distributed evenly over an molecule
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Q: Which of the following shows a chemical reaction in which silane and oxygen are the reactants and silicon dioxide and water are the products
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Q: If the difference in electronegativity values between two atoms is more than 1.7 ionic bonds generally form.
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Q: In the compound Fe2O3 iron's oxidation number is while oxygen's oxidation number is -2.
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Q: What are the four elements of the context of a text
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Q: 1 atom of cobalt 2 atoms of chlorine forumla
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Q: The chemical formula for glucose is C6H12O6. How many different elements make up one molecule of glucose
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Q: Locate the polyatomic ion in the compound MgSO4.
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Q: Table salt is an example of a binary ionic compound. true or false
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Q: Using the particle theory of matter why does gold become soluble in water when combined with cyanide
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Q: Molecular compounds are usually .
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Q: Which formula represents lead(II) hydroxide
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Q: The spatial arrangement of electron groups around the central atom is called what
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Q: An acid is best defined as a substance that
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Q: Why do you add acetic acid to milk as a first step in isolating casein
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Q: Carbon dioxide is a non polar molecule true or false
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Q: What would happen if our atmosphere consisted of puree oxygen
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Q: What two factors determine the point at which liquid will boil
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Q: One drop equals how many mls from a 1 ml pippette
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Q: The scattering of light by colloids is called
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Q: What group in a experiment is not changed in any way
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Q: How many more times is ammonia more basic than baking soda
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Q: Facts about binary compound
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Q: What is holding liquid in straw
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Q: Joy dish detergent does not suds up like it use to
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Q: What is the chemical equation for reaction of rennies tablets from SA HCL and NaOH
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Q: With radiocarbon dating scientists compare an object and acirc and 128 and 153s carbon-14 levels with .
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Q: Why does a beaker of hot water gets denser when it's cooled
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Q: When hiking up the earth's tallest peaks why do some climbers bring oxygen equipment to help the breathe
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Q: Is carbon more reactive than chromium
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Q: Is silicon more reactive than chronium
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Q: Positive ions from a base and negative ions from an acid form a what
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Q: How does the number of valency electrons help to explain why aluminium is a metal and iodine and bromine are non-metals
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Q: Letter xyz represent what of orbital
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Q: Predict two properties of technetium
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Q: What is the balanced equation of decomposition of lead (II) NITRATE
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Q: Would it matter if droplets of distilled water were left in the burette when it was filled with sodium hydroxide
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Q: What is the equation of decomposition of nitrate
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Q: A chef fills a 50 milliter container with 43.5 g of cooking oil. what is the density of the oil
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Q: What is KCl physical state
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