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For the reaction A to Products successive half lives are observed to be 10 min and 40 min A was 0.10 M at the beginning of the reaction What is the integrated rate law and what is the rate constant?

Half-life in this context is defined as the time needed to observe the halving of the original reactant concentration. As you can see, in this case that time doubles each time, so you can say that this particular reaction as a second order rate. The equation for this half-life is: t(1/2) = 1/([A]0 * k) and the integrated rate eq. is: 1/[A] = 1/[A]0 + kt Using the first half life we can calculate k: k = 1/( t(1/2) * [A]0) = 1/(10 min * 0.50 M) = 0.2 min^-1M^-1 Using this value we can calculate the answers for a) and b) a) 1/[A] = 1 / [A]0 + kt = 1 / 0.50 M + .2 min^-1M^-1 * 80 min = 18 M^-1 [A] = 0.056 M b) 1/[A] = 1 / [A]0 + kt = 1 / 0.50 M + .2 min^-1M^-1 * 10 min = 4 M^-1 [A] = 0.25 M


Can rate of reaction be negative?

No, the rate of a reaction cannot be negative. Rate of reaction is defined as how the concentration of a reactant or product changes over time. It is always a positive value or zero, indicating the direction and speed of the reaction progress.


What is 1m x 1m x 0.5m?

1m*1m*0.5m=0.5m3


What is the average growth rate for 5 year old girl in a year?

2-3 inches


If a tree grows 6cm a year how many years would it take to grow 1m?

It would take approximately 17 years for the tree to grow 1m (100cm) if it is growing at a rate of 6cm per year.


What is the area of rectangle 1m and 1m?

The formula for the area of a rectangle is A=LW; L- length and W- width. A=1m x 1m= 1m².


When mixing 1m of a strong acid and a strong base you get?

Let's see. NaOH + HCl = NaCl + H2O The usual salt ( NaCl ) and water.


How much is 1m in money?

The term "1m" typically refers to one million of a currency, such as dollars, euros, or another currency. For example, 1 million US dollars (1m USD) is equivalent to $1,000,000. The actual value in terms of purchasing power or exchange rate can vary based on the currency and economic factors.


What fraction of 1m of 77cm?

1m = 100 cmAnswer:77/100 of 1m


What is larger 1m or 25cm?

1m


What is 1m?

anything less then 1m?


What is larger 1m or 990 cm?

1m = 100cm 990cm/100cm/m = 9.9m 9.9m > 1m, so 990cm > 1m