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.
The rate for Social Security tax, as of 2015, is 12.4 percent of income, of which the employee pays 6.2 percent, and the employer pays 6.2 percent, states the IRS. The wage base limit for Social Security taxes is $118,500. Medicare tax is 2.9 percent of income, split evenly between the employee and employer. However, Medicare has no wage base limit, and employees must pay an extra annual Medicare tax of .9 percent on earnings over $200,000 that employers do not have to match.