1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anton [14]
4 years ago
11

A sample of fluorine-18 in a laboratory has an initial mass of 50mg.flourine-18 has a half life of 1.8 hours Calculate the amoun

t of time it will take for the initial mass of fluorine-18 to be reduced from 59 mg to 12.5mg
Physics
1 answer:
Mekhanik [1.2K]4 years ago
7 0
It will take 3.6 hours to get reduced from 50 to 12.5 g..
You might be interested in
When the material left behind has been carried by the glacier from its original location to a new location, this is called what
MAVERICK [17]

Answer:

C

Explanation:

Glaciers break rocks because of the thawing and icing of water in rock crevices. These rocks get carried in the glacier. The glaciers move because the base of the glaciers melts ever so slightly due to the weight of the glacier above (pressure reduces the melting point of ice). This smoothens the slipping of the glaciers . When the glaciers get to a warmer place, it melts and the rocks in it are deposited.

3 0
3 years ago
Read 2 more answers
Atoms contain subatomic particles called protons and neutrons. When these protons and neutrons split, a lot of energy is release
GarryVolchara [31]
I think it is kinetic energy or atomic.
8 0
3 years ago
Read 2 more answers
A father wants his son to start helping his mother do the do laundry. According to social learning theory, the father should
telo118 [61]

Answer:

Help out with the laundry himself.

Explanation:

In social learning theory, it's a process where people tend to observe the actions of others and then imitate them.

Now, since this father wants to teach his son to start helping his mother do the do laundry, what he can do according to social learning theory is to help with the laundry himself first.

8 0
3 years ago
An object following a straight-line path at constant speed
Rom4ik [11]

Answer:

C

Explanation:

5 0
2 years ago
I tried the experiment of dropping candy into a liter of soda and caused a big explosion of foamy soda. Is that a physical or Ch
Aleks04 [339]

Answer:

physical change

Explanation:

its a physical change because its still soda it hasn't changed into anything else than what it already is

6 0
3 years ago
Other questions:
  • Janis volunteered to participate in a psychology experiment. When she arrives at the lab a lab assistant standing on the other s
    10·1 answer
  • a friend says that temperature increases as altitude increases because you're moving closer to the Sun
    12·1 answer
  • You have a beaker with a layer of olive oil floating on top of water. A ray of light travels through the oil and is incident on
    12·1 answer
  • 1. A pair of oppositely charged parallel plates is separated by 5.51 mm. A potential difference of 614 V exists between the plat
    13·1 answer
  • How are fingerprints identified and collected at the crime scene?
    10·1 answer
  • A resistor with R1=25.0 ohm is connected to a battery that has internal resistance and electrical energy is dissipated by R1 at
    10·1 answer
  • How do you complete this circuit?
    8·1 answer
  • A student sorted six elements.He places iron, silver, and sodium in group A. He placed neon,oxygen,and nitrogen in group B.Name
    15·1 answer
  • calculate the force necessary to keep a mass of 2 kg moving on a circular path of radius 0.2 m with a period of 0.5 second. what
    6·1 answer
  • Do we use more freshwater in our homes to provide us with electricity
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!