What is the molar mass of the potassium isotope 40k b) The half-life of 40K is 1.28 109 a. Calculate the decay constant. c) The amount of 40K in an average human body is 19 mg. Calculate the corresponding activity

What is the molar mass of the potassium isotope 40k b) The half-life of 40K is 1.28 109 a. Calculate the decay constant. c) The amount of 40K in an average human body is 19 mg. Calculate the corresponding activity

Related questions

Q: Convert 175 cm to feet

A: We have 1 cm = 0.0328084 ft

Q: 29. The amount of water in reservoirs is often measured in acre-ft. One acre-ft is a volume that…

Q: A cat has a mass of 10. kg. Compute its metric weight and its US system weight.

A: Given data *The mass of the cat is m = 10 kg The mass of the cat in metric weight can be calculated…

Q: The price of gas is 2.90 per gallon. Calculate how much money you could expect to spend on a round…

A: Let mileage of the car be 25 mile per gallonWrite the relation for number of gallons to cover the…

Q: A=2i+5j+3k and B=-i+2j+3k Find : a) A.B b) A x B c) angle between A and B

Q: One US gallon is 231 in3 A garden hose with a cross sectional area of 0.63 in2 has a flow of water…

Q: answer is not correct. no scientific notation

Q: A rectangular building lot has a width of 79.5 ft and a length of 128 ft. Determine the area of this…

A: Given data The width of the rectangular lot is b = 79.5 ft. The length of the rectangular lot is L…

Q: How to revise for Physics? - revision methods

A: First of all we make three list of chapter. like asfirst list - all chapter of your book or…

Q: so b= 6.09 s^-2 but you used 5.21. when I plug in the answers its wrong, can you please fix this.

Q: The volume of a rectangular wooden crate is 141 m³ its length is 7.66 m and with his 3.75 m what is…

A: Volume of a rectangular wooden crate is 141m3Length of crate is 7.66m.Width of crate is 3.75m.Height…

Q: One carat is equivalent to a mass of 0.200 g. Use the fact that 1 kg (1000 g) has a weight of 2.205…

Q: A stainless steel cylinder stands 0.08314 m and has a radius of 1.25 cm. Calculate the volume in: a)…

A: Given data: Height of the cylinder, h=0.08314 m Radius of the cylinder, r=1.25 cm

Q: 3. Find the value of A? A k 13 ft 7 ft 100 lbs

A: The principle of moments states that for a seesaw to balance, the total torque on one side must be…

Q: Mass 50 kg Density 2210 kg / m3 %3D Find volume

A: Given data: Mass (m) = 50 kg Density (ρ) = 2210 kg/m3 Required: Volume (V)

Q: what are the two significant figures of 240.084?

A: The significant figures are the digits that carry meaningful contributions to the measurement.

Question

Needs Complete solution. Plz.

What is the molar mass of the potassium isotope 40K?
b) The half-life of 40K is 1.28 109 a. Calculate the
decay constant. c) The amount of 40K in an average
human body is 19 mg. Calculate the corresponding
activity

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: see image.

VIEW

Step 2: see image

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Convert 12,345,678 N (newtons) to MN (mega-newtons) keeping three significant figures.
answer cant be in scientific notation
32. A butt refers to a wooden barrel that holds a volume of wine equal to exactly 126 U.S. gallons. If a bottle of wine holds 750. mL, how many full bottles of wine are supplied by 2 butts?
To get the density, then what is the volume?
Please use neat handwriting and show work A light ray traveling in air hits the surface of an unknown liquid ina beaker as shown in the picture. When the angle 0 is 55° the ray hits at a point where x = 2 cm. Calculate the index of refraction of the liquid.