Chemistry C1b

Rocks, minerals, atmosphere and overall questions about chemistry 1b

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What is cracking?

Breakdown of long alkanes into shorter alkanes and alkenes.

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What is Thermal Decomposition?

Breakdown of a substance into simpler substances using heat.

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What is the difference between saturated and unsat

Saturated hydrocarbons have no double bonds.

Unsaturated hydrocarbons contain one or more double bonds.

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Explain the bromie and water test?

Bromine water is yellow-orange. If you add an unsaturated hydrocarbon, it would turn colourless. However you cannot mix it with a saturated hydrocarbon because it won't react.

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What is monomer?

Monomer is a simple compound whose molecules can join together to form polymers.

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What is a polymer?

Polymers are made up of many many molecules all strung together to form really long chains.

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What can we make out of Poly(propene)?

Plastic crates, bins and rope.

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What is slime?

Slime is a sticky, slippery substance.

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What is Viscousity?

Viscousity is how easly a liquid flows.

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What iss the difference between LDPE and HDPE?

LDPE melts at lower temperatures than HDPE.

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What are smart-materials?

Smart-Materials are materials that can significantly change their mechanical properties (such as shape, stiffness, and viscosity).

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What are shape-memory-polymers?

Polymers that changes its shape as the temperature changes and comes back to its original shape.

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What are hydrogels?

Hydrogel is a polymer that can obsorb a lot of water.

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Whats the structure of ethonol?

C2H5OH.

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What are the two main ways of making ethonol?

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What is bio-diesel?

Bio-diesel is a diesel made from vegetable oil.

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What is carbon nueteral?

Carbon neutral is a term used to describe fuels that neither contribute to nor reduce the amount of carbon (measured in the release of carbon dioxide) into the atmosphere.

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Whats an emulsion and an emulsifier?

If an emulsifier is added to the oil and water, a mixture called an emulsion forms.

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What is the difference between monounsaturated and

Monounsaturated fats are healthier than the polyunsaturated fats.

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How are polyunsaturated vegetable oils hardened?

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What are trans fats?

Unsaturated produced by the hydregination of vegetable oils.

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What are tectonic plates and how much do they move

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What is meant by continential drift?

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What were the Wegener's three ideas?

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Name the main gas in the air?

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Why is nitrogen used in food packaging?

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Name the main noble gas in the air?

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What group are noble gases in?

Group 0 or 8.

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3 uses of 3 different noble gases?

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Equation for photosynthesis?

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Comments

byekitty10

Well yep thats what i did you can look over it now its just that it wasnt finished at that time and still isnt. :)

aisha amhar

why arent all the questions answered

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