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.
And most workers will no longer get paper statements that explain how much they have paid into the system and what benefits they are likely to receive in retirement. Here are 10 things everyone should know about Social Security: You contribute 6.2 percent of your income. Workers pay 6.2 percent of their earnings into the Social Security system, up to $113,700 in 2013. Employers pay a matching 6.2 percent for each worker.