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
Alexxandr [17]
3 years ago
14

What was the half-life of a new isotope?

Chemistry
1 answer:
REY [17]3 years ago
8 0
The half-life of any substance is the amount of time taken for half of the original quantity of the substance present to decay. The half-life of a radioactive substance is characteristic to itself, and it may be millions of years long or it may be just a few seconds.

In order to determine the half-life of a substance, we simply use:
t(1/2) = ln(2) / λ

Where λ is the decay constant for that specific isotope.
You might be interested in
A substance is a liquid at room temperature and dissolves well in water. It also conducts electricity. What type of bonds does i
kolbaska11 [484]
Ionic, covalent, molecular
7 0
3 years ago
How do genetic factors influence the formation of "dead zones” around creosote bushes?
Korvikt [17]

Answer:

Genetic factors contributes to the formation of the dead zones is by their ability to expand their abilities that enables them to spread and contribute to the formation of the dead zones. These dead zones are made when the oxygen are low where it is necessarily important for the aquatic life, if the oxygen needed is depleted or too low, instead of supporting aquatic life, dead zones are created and factors contribute to these occurrences with their ability to expand.

Explanation:

5 0
3 years ago
Read 2 more answers
How many moles are in 8 grams of NaCl?
anygoal [31]
There are 2 moles in 8 grams
5 0
3 years ago
The partial pressure of N2 in the air is 593 mm Hg at 1 atm. What is the partial pressure of N2 in a bubble of air a scuba diver
Evgen [1.6K]

Answer: Partial pressure of N_{2} at a depth of 132 ft below sea level is 2964 mm Hg.

Explanation:

It is known that 1 atm = 760 mm Hg.

Also,   P_{N_{2}} = x_{N_{2}}P

where,    P_{N_{2}} = partial pressure of N_{2}

                 P = atmospheric pressure

            x_{N_{2}} = mole fraction of N_{2}

Putting the given values into the above formula as follows.

      P_{N_{2}} = x_{N_{2}}P

    593 mm Hg = x_{N_{2}} \times 760 mm Hg

       x_{N_{2}} = 0.780

Now, at a depth of 132 ft below the surface of the water where pressure is 5.0 atm. So, partial pressure of N_{2} is as follows.

         P_{N_{2}} = x_{N_{2}}P

                  = 0.78 \times 5 atm \times \frac{760 mm Hg}{1 atm}

                  = 2964 mm Hg

Therefore, we can conclude that partial pressure of N_{2} at a depth of 132 ft below sea level is 2964 mm Hg.

8 0
3 years ago
HELPP ME PLEASE!! What would be the density of a 40 g object that displaces 10 ml of water?
Snezhnost [94]

Answer:

<h2>The answer is 4.0 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 40 g

volume = 10 mL

The density of the object is

density =  \frac{40}{10}  = 4 \\

We have the final answer as

<h3>4.0 g/mL</h3>

Hope this helps you

5 0
3 years ago
Other questions:
  • What does the Law of Conservation of Energy say?
    8·1 answer
  • Which of the following is true about acids? . A. Acids give foods a bitter taste. . . B. Aqueous solutions of acids conduct elec
    8·2 answers
  • What type of coloration do the stonefish and oscellated frog fish have
    15·1 answer
  • The brackets used to express concentration [ ], when making equilibrium constant calculations, indicate
    7·1 answer
  • An iceberg has a volume of 8925 ft3. is the mass in kilograms of the iceberg?
    6·1 answer
  • Which gas is used by divers and why
    13·1 answer
  • 45. most abundant metal in the earth's crust<br> 46. first discovered in light coming from the sun
    10·1 answer
  • Compare the amount of carbon dioxide released in one year from burning coal to power 10, 65-watt incandescent bulbs with the amo
    7·1 answer
  • PLEASE PLEASE HELP ME WITH THIS ASAP
    14·1 answer
  • Find the density of a piece of chocolate with these measurements: 2.4 g and 5.12 mL
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!