Chemistry Developing fuels 0.0 / 5 ? ChemistryUnit 2ASOCR Created by: ChloesnCreated on: 06-03-14 17:44 3849102617 Across 1. For temperature and pressure are standard sets of conditions for experimental measurements established to allow comparisons to be made between different sets of data. (8, 10) 3. 0OC (273K) and 1 atmosphere (101.3kPa). (3) 6. is a value used to indicate the resistance of a motor fuel to knock. Octane numbers are based on a scale on which isooctane is 100 (minimal knock) and heptaneis 0 (bad knock). (6, 6) 7. 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) 9. 25OC (298K) and 1 atmosphere (101.3kPa). (3) Down 2. An aromatic hydrocarbon or arene is a hydrocarbon with alternating double and single bonds between carbon atoms forming rings. (6) 3. Either the atoms are bonded together in a different order in each isomer. (10, 6) 4. (Few) chemical reactions that take in energy. (11) 8. The energy transferred = (8) 10. Any of the series of saturated hydrocarbons including methane, ethane, propane, and higher members. (6)
Comments
No comments have yet been made