Skill -. Recognize the order when rate = k when n = 0. 1  For a reaction that is second order with respect to a reactant A, how many times does the rate increase as [A] increases by a factor of 2.ates as Functions of Reactant Concentrations. For a second order reaction, the plot is a branch of a prabola, because. For a reaction with an infinite order, the plot is a step function. The rate is small, almost zero, when [A] less than 1.
The range of income where you stay at any particular rate is known as a tax bracket. For a single person in 2015 the rate on taxable income between $37,450 and $90,750 is 25%, so those numbers establish the 25% bracket. If youâre single and your taxable income is between those two numbers, your tax bracket is 25%.
Value added tax, or VAT, is the tax you have to pay when you buy goods or services. There are various items for which you do not have to pay any VAT, such as most food, children's clothing, newspapers and magazines.The standard rate of VAT rose from 17.5% to 20% on 4 January 2011, which is still not high by EU standards.here are three bands of VAT: zero, 5% and 20%. Many regular purchases such as food and children's clothing are zero-rated. Domestic fuel and wind-turbine installation are 5%. Other things like hot take-aways and televisions are 20%. The government has raised the standard VAT rate to 20%.