Half-Life - Half-life means the concentration of drug in the body or plasma is reduced to half.
Berberine- it is a plant extract, used for Diabetes, Hypertension, Hyperlipidemia, etc
Half-life is 4.8 hour + or - 1.4 hour
Curcumin - It's known as turmeric, an Asian spice
Half-life is 6 to 7 hour
Immunoglobin M - It is an antibody known as IgM, It is largest in size in all antibody and its first respond to infection.
Half-life is 5 to 6 days
what is the elimation rate/Half-life of the following drugs (biological half-life)? a. Berberine b. curcumin c....
Comment on the difference in rate for the following reactions: 155°C half-life 15 hours 65°C half-life 1 hour
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
B) Determine the integrated rate law for this reaction. C) Calculate the half-life for this reaction. D) How much time is required for the concentration of A to decrease to 4.25x10^-3 M A certain reaction has the following general form: At a particular temperature and Alo 3.40 × 10-2 M concentration versus time data were collected for this reaction, and a plot of ln A versus time resulted in a straight line with a slope value of -2.91 x 10-2...
For problem #3 and 4, a. b. C. Calculate the rate constant. Calculate half life Calculate the time it takes for the concentration to go down to 75% of its original value. 3. The rate law for the decomposition of phosphine (PH3) is: Rate k [PH3] It takes 120. S for 1.00 M PH3 to go down to 0.250 M
A.For the following first order reaction, the half-life is 28.3 and the [A]0 = 1.36. Calculate the rate constant.2A -> 3BB.Consider the following reaction. aA + bB -> cCwhose first and second half-lives are 38.2 and 19.1 minutes respectively. If the rate constant is equal to 0.2148 and [A]0 = 16.41, calculate the [A] at t 5.87 minutes.C.A researcher raises the temperature from 46.4 to 66 °C and finds that the rate of the reaction doubles. What was the activation energy (in...
Carbon-14 is a radioisotope that is used for dating biological organisms. The half-life of C-14 is 5730 years. When a one-gram sample of carbon from fresh peat is measured for radioactivity, 900 beta decays are recorded every hour. A one-gram sample of carbon is obtained from a peat deposit and is measured for radioactivity. If 113 beta decays are observed every hour, how many half-lives of C-14 have passed since the deposit was formed? A. 1/8 B.3 C.113 D.8 Approximately...
Methamphetamine has a biological half life of about 20 hours. How will it take (in hours) to have 90% of the meth cleared from a drug addict? Assume first order kinetics
Which of the following statements about the half-life of a reaction are true? Ob. None of the above are true. O a. The half-life of a first-order reaction increases with time. Oc. A zero-order reaction doesn't have a half-life. d. The half-life doesn't depend on the order of the reaction. The half-life of a second-order reaction is independent of time. e. A given reaction has rate law rate = k[A]2[B]1/2. If the instantaneous rate of reaction is 0.034 Mis when...
Please show steps, thank you If a radiopharmaceutical has an effective half life of 75 seconds and a biological half life of 6 minutes what is the physical half life in minutes? If a radiopharmaceutical has an effective half life of 190 seconds and a physical half life of 42 minutes what is the biological half life in minutes? If a radiopharmaceutical has an effective half life of 110 minutes and a physical half life of 150 minutes what is...
Reaction: 2B ---> 4 C This reaction exhibits a half-life of 11.5 minutes at 60 C when [B]0 = 0.33M. a) What is the rate constant for the reaction if the rate law for the reaction is R= k [B]? b) What is the half-life of the reaction if the reaction is second order and [B]0 = 0.57 M? K = 0.0603 c) Assuming the reaction is first order and you started with [B]0 = 0.33M, what concentration of C...