Reflected shock waves allowed temperatures from 1230 to 1800 K and pressures from 7.3 to 9.5. atm to be obtained. These measurements have shown that cyclopentane is much less reactive than. cyclohexane, as for a given temperature the observed autoignition delay times were about ten times. higher for the C5 compound compared to the C6. Detailed mechanisms for the combustion of cyclohexane and cyclopentane have been proposed to.
Your Tax Dollars at Work. The average income in 2011 was $41,560. With this salary and a single filing status, you could expect to pay around $5,153 (12.4 percent of your earnings) in federal taxes, in addition to $2,577 (6.2 percent) toward Social Security and $603 (1.5 percent) toward Medicare.
Social Security. Retirement benefits from Social Security are the most common source of income among the aged. In 2008, Social Security paid benefits to 86% of Americans aged 65 and older and to 89 percent of households in which the householder or householder's spouse was 65 or older.