A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life

Question:

A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life of 6 days. What mass of material is still radioactive after 18 days?

A. 0 mg

B. 100 mg

C. 200 mg

D. 400 mg

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Complete Physics For Cambridge IGCSE RG

ISBN: 9780198308713

3rd Edition

Authors: Stephen Pople

See More Books

Question Posted: Aug 30, 2021 12:46 AM

See More Questions

Radioactive mass A emits particles at a mean rate of 20 per minute, and radioactive mass B emits particles at a mean rate of 25 per minute. a. What is the probability that fewer than 200 particles...
Radioactive mass 1 emits particles at a mean rate of Î» 1 per second, and radioactive mass 2 emits particles at a mean rate of Î» 2 per second. Mass 1 is selected with...
A 200 mg sample of radioactive polonium-2 1 0 is observed as it decays. Table 7.9 shows the mass remaining at various times. Assuming an exponential decay model, use least squares to find the...
Roles define the manager. Do you agree or disagree with this statement? Discuss what you think managers do.
An atom in a molecule is surrounded by four pairs of electrons: one lone pair and three bonding pairs. Describe how the four electron pairs are arranged about the atom. How are any three of these...
Aaron, a bicycle mechanic, is studying the mechanical advantage of the rear wheel. The rear wheels radius is 14.0 in. and the chain is currently on a gear with radius 1.65 in. (Figure). (a) If the...
A jogger runs in place on a treadmill whose belt moves at $v_{\mathrm{EB} x}=+2.0 \mathrm{~m} / \mathrm{s}$ relative to Earth. Let the origins of the Earth reference frame and the reference frame B...
Caribbean Tours total payroll for the month of January was $600,000. The following withholdings, fringe benefits, and payroll taxes apply: Federal and state income tax withheld ..................
1. A planet is revolving around the sun in an elliptical orbit. The mass of planet is m, angular momentum of planet about sun is L, and length of semi major axis is a and eccentricity is e. Time...
Chris Pearson is running a tennis tournament and is in the process of scheduling the umpires for each match in todays rounds. There are five matches to be played today, and there are six umpires...
A man is delivering a cupboard to a house. a. The man trolls the cupboard at a steady speed from the lorry to the house. The friction force in the wheels is 40 N. State the force with which the man...
a. The illustrations show a beaker in which coffee is served at an airport kiosk. The beaker itself is made of two layers of cardboard. It has a thin plastic lid. i. State two sources of heat loss...
An atom in a molecule oscillates about its equilibrium position with a frequency of 2.00 1014 Hz and a maximum displacement of 3.50 nm. (a) Write an expression giving x as a function of time for...
(a) If the PowerShooter 1800 is marked up by $69.50, what is the cost (in $) and what is the percent markup based on cost? cost $ 60.50 percent markup based on cost % (b) If the CyberShooter 2400 has...
A company has a distribution network with 24 warehouses to serve its customers in the United States. On average each warehouse carries 8,717 units of inventory. It is considering consolidating...
David and Angela are getting a divorce. They have come to an agreement as to their timesharing and child support. Both agree to use their state's guideline child support, which uses the parties' net...
Alvin is 5 years older than Elga. The sum of their ages is 49. What is Elga's age?
During this time, your business has become stable, and your reputation is growing. Until now, you havebeen going to the homes of your customers to host VR experience parties there. Your original...
Suppose that A is an invertible n n matrix. Must the system of equations Ax = x has a unique solution? Explain your reasoning.
Bobbie Singh provides writing services for small businesses. He blogs for companies that need professionally written content. His business records at November 15, 2023, are shown below: During the...
Predict the products for each of the following reactions, and propose a mechanism that explains the formation of each product: (a) (b) (c) (d) (e) (f) HCI HCI HCI
Consider the following two dienes. When treated with HBr, one of these dienes yields four products, while the other diene yields only two products. Explain.
Propose the structure of a conjugated diene for which 1,2-addition of HBr produces the same product as 1,4-addition of HBr.
Transformation of the Banking Industry by Technology "Banks are intensive users of both IT and financial technologies, and have a wealth of data available that may be helpful for the general...
Firm A expects to have pretax income of $200 and a tax rate of 40% in the coming year. Firm A is evaluating Firm B, which has a tax loss carry forward of $100, for an acquisition. If Firm A acquires...
The 9-month SOFR rate is 5%, and the 6-month SOFR rate is 4%, on the basis of continuous compounding and 365 days a year. Use this information to answer this and the next question. The forward SOFR...

A sample contains 800 mg of a radioactive material, which emits a-particles. The material has a half-life

Question:

Step by Step Answer:

Option B 100mg is correct The half life of a radioactive element is the time it takes ...View the full answer

Complete Physics For Cambridge IGCSE RG

Students also viewed these Sciences questions