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.
FICA withholding is calculated based upon an established taxation rate. For 2012, the rate of Social Security withholding was 4.2 percent up to a limit of $4,624.20. Medicare withholding was 1.45 percent. The base amount of income taxable for FICA is referred to as the Social Security wage base. For 2012, the base was $110,100, as stated by the Social Security Administration. The increase of average national wages results in an increase of the Social Security wage base.