Physics help
 👍
 👎
 👁

 👍
 👎

 👍
 👎
Respond to this Question
Similar Questions

Chemistry
Which radioactive sample would contain the greatest remaining mass of the radioactive isotope after 10 years? A. 2.0 grams of 198 Au B. 2.0 grams of 42 K C. 4.0 grams of 32 P D. 4.0 grams of 60 Co By the way the numbers next to

Chem Class
The rate constant of a firstorder process that has a halflife of 225 s is ?????? s1. ok so i divided half life of 1st order= 0.693/K k i put 225 and i got 3.08 x 10^3 is that right?

math
An element has a halflife of 30 years. If 1.0 mg of this element decays over a period of 90 years, how many mg of this element would remain? Begin amount is 1.0 elapsed time is 90y half life 30 years n=9/30 n=3 90/2^2 90/8 =

Biology
1. Which of the following is a biotic factor that might affect the life of a waterdwelling organism? A. Temperature of the water B. Speed of water current C. Pollutions in water D. Bacterial population in water My guess: D? 2.

chemistry
If there are 80 milligrams of a radioactive element decays to 10 milligrams in 30 minutes then what is the elements half life in minutes? Ok i narrowed it down to either 10 or 30...but im rly confused so if u could help it wuld be

Chemistry
The halflife (t1/2) of a first order reaction is 0.100 s. What is the rate constant? a. 6.93 s1 b. 0.693 s1 c. 0.0693 s1 d. 0.144 s1 e. 3.01 s1

chem
Can someone please help me with the following questions? 1:Suppose you were given an ancient wooden box. If you analyze the box for carbon14 activity and find that it is 50% of that of a new piece of wood of the same size, how

Physics
A water level in a burette is 30cm cube if 55drops of water fall from the burette and the average volume of 1 drop is 0.12cm cube.what is the final water level in the burette

Chemistry 1111
To determine the molarity of NaOH solution, student took 3.5 g of KHP (KHP – Potassium hydrogen phthalate; Molar mass = 204.22 g/mol) and dissolved in 50 mL of water and titrated with the given unknown molarity NaOH solution

math
Iodine131 is a radioactive isotope used in the treatment of thyroid conditions. It has a halflife of 8 days. Halflife is the amount of time it takes for half of the substance to decay (or disappear). If a patient is given 20 mg

Science
To answer these questions you will need to refer to the volume of water dripping over time graph that you created in your science notebook from interactive art plotting a line graph activity. 1. According to the trend shown by the

chemistryplease check
1. For the 1st order reaction whose rate law constant, k, is 1.5x103s1, t½ is a. 7.7 minutes *** b. 462 minutes c. 6.5 minutes d. 4.5 minutes 2. If the halflife of a 1st order reaction is 137 minutes, k= a. 8.43x105s1 b.
You can view more similar questions or ask a new question.