Chemistry Developing fuels 0.0 / 5 ? ChemistryUnit 2ASOCR Created by: ChloesnCreated on: 06-03-14 17:44 27391084561 Across 1. Derived from alkanes by substituting an alkoxy group (-OR) for an H atom. CH3-CH2-O-CH2-CH3 ethoxyethane. (5) 4. Compounds containing a benzene ring are said to be this. (8) 5. Compounds that don’t contain a benzene ring are said to be this. (9) 6. The mole is the unit that measures amount of substance in such a way that equal amounts of elements consist of equal numbers of atoms. (4) 8. 0OC (273K) and 1 atmosphere (101.3kPa). (3) Down 2. Symbol Vm, is the volume occupied by one mole of a substance at a given temperature and pressure. It is equal to the molar mass divided by the mass density. (5, 6) 3. Spontaneous combustion is a type of combustion which occurs by self heating, followed by thermal runaway and finally, ignition. (4, 6) 7. the reactants are losing energy so the products end up with less energy than the products and the surroundings ends up with more. (10) 9. Of or relating to a circle or other closed curve. The less volatile hydrocarbons condense on the trays and the more volatile ones pass through. (6) 10. It's like particles moving from a higher concentration area to a lower concentration area. (8)
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