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.
When you earn income at a traditional job, your employer withholds a portion of your pay to cover your obligations to Social Security and Medicare. The Social Security tax rate paid by for employees was 4.2 percent as of 2012, when it applied to a maximum of $110,100 of earned income. The Medicare tax rate for employees was 1.45 percent, with no income limit. Self-employed workers paid 10.4 percent to Social Security and 2.9 percent to Medicare.