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 Tax Basics. The Social Security tax is based on a percentage of your salary. At the time of publication, you pay 4.2 percent of your income from employment in Social Security taxes. You pay this percentage on your first $110,100 in income, for a maximum of $4,624.20 per year. The IRS is responsible for collecting Social Security taxes. Your employer pays an additional 6.2 percent of your salary in Social Security taxes.