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A combination of chemical symbols and numbers that represents a substance is called what?
A chemical formula is a shorthand that gives the elemental breakdown and proportion of a chemical species: $O_2$, $LiNO_3$, $CH_4$, $H_3C-CH_3$, etc. are all chemical symbols in a given proportion...
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What is a combination of substances in which each substance retains its own properties?
are, as you've defined, combinations of substances in which each substance retains its own properties. A salad, for example, contains several individual food components, but each retains its own...
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How are these ordered from strongest to weakest: hydrogen bonds,covalent bonds, ionic bonds, and van der waals interactions?
This is the conventional order. Ionic bonds are of course non-molecular interactions.
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A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be dissolved into 100 mL of water. What property of the unknown substance was the chemist most likely investigating?
The solubility of a substance is a measure of how much can dissolve in a certain at a given temperature, and is usually expressed in units of grams of solute...
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What is the changing of substances to other substances by the breaking of bonds in reactants and the formation of bonds in products?
Chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds.
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A chemical reaction is a process that changes some chemical substances into others. What is involved in the process of forming these new chemical substances?
Chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds. Usually this is signalled by a colour change, though some few...
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Molar mass of substance A in material Eu(A)3 is 238g/mol. 0.476g of substance A was burned and produced 1.408g of CO2 and 0.252g of H2O. Substance A is made up of carbon, hydrogen and oxygen. What is the chemical formula for substance A?
The way I see it, the part about how The molar mass of substance $"A"$ in material $"Eu"("A")_3$ is $"238 g mol"^(-1)$ does not make...
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In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. How many molecules of substance Bare produced when 28.3 g of substance A reacts? The molar mass of substance A is 26.5 g/mol.
The only two substances that are of interest to you are $"A"$ and $"B"$, so you can write the chemical equation as $color(red)(2)"A" + ... -> color(blue)(3)"B" +...
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Michael has a substance that he puts in container 1. The substance has a volume of 5 cubic meters. He then puts it in container 2 and it now has a volume of 10 cubic meters. In which phases(s) is the substance?
$1*m^3-=1000*L$, and this is a very large volume. If you ever shift $4-5*m^3$ of concrete this is a good few hours hard work. Now gases have the property that they...
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In a solution if substance A makes up 1%, substance B makes up 9%, substance C makes up 20% and substance D makes up 70%, which substance would generally function as the solvent?
A is the component of the solution which is present in the greatest quantity. Quantitatively the answer is within the question, substance D will be considered the solvent since it's...
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