Chemistry C1b
Rocks, minerals, atmosphere and overall questions about chemistry 1b
- Created by: byekitty10
- Created on: 16-06-10 18:33
What is cracking?
Breakdown of long alkanes into shorter alkanes and alkenes.
What is Thermal Decomposition?
Breakdown of a substance into simpler substances using heat.
What is the difference between saturated and unsat
Saturated hydrocarbons have no double bonds.
Unsaturated hydrocarbons contain one or more double bonds.
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.
What is monomer?
Monomer is a simple compound whose molecules can join together to form polymers.
What is a polymer?
Polymers are made up of many many molecules all strung together to form really long chains.
What can we make out of Poly(propene)?
Plastic crates, bins and rope.
What is slime?
Slime is a sticky, slippery substance.
What is Viscousity?
Viscousity is how easly a liquid flows.
What iss the difference between LDPE and HDPE?
LDPE melts at lower temperatures than HDPE.
What are smart-materials?
Smart-Materials are materials that can significantly change their mechanical properties (such as shape, stiffness, and viscosity).
What are shape-memory-polymers?
Polymers that changes its shape as the temperature changes and comes back to its original shape.
What are hydrogels?
Hydrogel is a polymer that can obsorb a lot of water.
Whats the structure of ethonol?
C2H5OH.
What are the two main ways of making ethonol?
What is bio-diesel?
Bio-diesel is a diesel made from vegetable oil.
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.
Whats an emulsion and an emulsifier?
If an emulsifier is added to the oil and water, a mixture called an emulsion forms.
What is the difference between monounsaturated and
Monounsaturated fats are healthier than the polyunsaturated fats.
How are polyunsaturated vegetable oils hardened?
What are trans fats?
Unsaturated produced by the hydregination of vegetable oils.
What are tectonic plates and how much do they move
What is meant by continential drift?
What were the Wegener's three ideas?
Name the main gas in the air?
Why is nitrogen used in food packaging?
Name the main noble gas in the air?
What group are noble gases in?
Group 0 or 8.
3 uses of 3 different noble gases?
Equation for photosynthesis?
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