introduction to chemical reactions. density the relationship between the mass of the substance and...
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Displacement Volume is a measure of the amount of space an object takes up. When a cylinder is submerged in the water it pushes water out of the way. If you measure the amount the water level increases, you can find the volume of the water pushed out of the way.TRANSCRIPT
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Introduction to Introduction to Chemical ReactionsChemical Reactions
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DensityDensity the relationship between the mass of the substance and how much space it takes up (volume)
Formula: D=M/V
![Page 3: Introduction to Chemical Reactions. Density the relationship between the mass of the substance and how much space it takes up (volume) Formula: D=M/V](https://reader036.vdocuments.net/reader036/viewer/2022062600/5a4d1b587f8b9ab0599aa107/html5/thumbnails/3.jpg)
DisplacementDisplacementVolume is a measure of the amount of space an object takes up. When a cylinder is submerged in the water it pushes water out of the way. If you measure the amount the water level increases, you can find the volume of the water pushed out of the way.
![Page 4: Introduction to Chemical Reactions. Density the relationship between the mass of the substance and how much space it takes up (volume) Formula: D=M/V](https://reader036.vdocuments.net/reader036/viewer/2022062600/5a4d1b587f8b9ab0599aa107/html5/thumbnails/4.jpg)
Chemical Chemical Reactions are Reactions are EverywhereEverywhereCookingCooking RespirationRespiration
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Chemical Chemical Reactions are Reactions are EverywhereEverywhereHair DyeHair Dye Auto FuelAuto Fuel
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How do you know How do you know when a chemical when a chemical
reaction takes place?reaction takes place?Color ChangeColor Change Precipitate FormationPrecipitate Formation
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How do you know when How do you know when a chemical reaction a chemical reaction
takes placetakes place??Gas FormationGas Formation OdorOdor
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What do you need to What do you need to have a chemical have a chemical reaction occur?reaction occur?
PPlease lease EExcuse xcuse CCoughing oughing SSneezes neezes and and BBurpsurps
PPrecipitaterecipitateEEnergynergyCColor Changeolor ChangeSSmellmellBBubblesubbles
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PrecipitatePrecipitate
A precipitate is an insoluble solid that emerges from a liquid solution
Example: Kidney Stones
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EnergyEnergyEnergy is usually released during a chemical reaction. Endothermic- A reaction that requires energy during the reaction is known as an endothermic reaction. Energy is absorbed in the form of heat, so the substance feels cold.Example: Ice melting
Exothermic-A reaction that releases energy during the reaction is known as an exothermic reaction. Energy is often given off in the form of heat.Example: Nuclear Bomb
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Color ChangeColor ChangeColor Change- Color Change- in a chemical reaction, a color change is usually an indicator that a reaction is occurring.
Example: Changing hair colorMilk souring
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Smell (odor)Smell (odor)When eggs and food spoil, they undergo a chemical change. The change in odor is a clue to the chemical change.Example: Eggs rotting
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Bubbles (gas Bubbles (gas formation)formation)
Example:Example:Magnesium reacting with acid to produce Magnesium reacting with acid to produce HydrogenHydrogen