Social security and Medicare taxes, also known as FICA taxes must be withheld from your employees' wages. As an employer, you must also pay a matching amount of FICA taxes for your employees. Currently the social security tax rate is 6.2%.ou are also required to pay a matching amount of social security and Medicare taxes for your employees and to pay State and Federal unemployment tax. Have each new employee complete IRS form W-4. You will use this form to calculate the amount of federal income tax to withhold from the employee's wages.
1 The particles of an ideal gas lose no energy to its container. 2  A real gas conducts and radiates heat, thereby losing energy. 3  There is no attraction between the molecules of an ideal gas. 4  A real gas has particle attractions.
Quick Answer. The main difference between propane and butane gas is their chemical structure. Although they are both composed of carbon and hydrogen chains, the number of carbons and hydrogens in each differ slightly. Propane, for instance, is composed of a three-carbon chain with eight hydrogens.