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
Greeley [361]
4 years ago
12

The half-life of a certain element is 100 days. How many half-lives will it be before only one-eighth of this element remains?

Chemistry
1 answer:
docker41 [41]4 years ago
8 0

Answer:

8

Explanation:

You might be interested in
What is the molar mass of an element?
Vesnalui [34]

The answer is: the mass of 6.02 x 1023 representative particles of the element.

The base SI unit for molar mass is kg/mol, but chemist more use g/mol (gram per mole).

For example, molar mas of ammonia is 17.031 g/mol.

M(NH₃) = Ar(N) + 3 · Ar(H) · g/mol.

M(NH₃) = 14.007 + 3 · 1.008 · g/mol.

M(NH₃) = 17.031 g/mol.

The molar mass (M) is the mass of a given substance (in this example ammonia) divided by the amount of substance.


8 0
3 years ago
A star is mainly made of hydrogen gas, but most classes of stars include other elements such as helium, calcium, and other heavi
Xelga [282]
That would be true, since most other stats include helium, calcium, etc
6 0
2 years ago
Read 2 more answers
Draw the structure of a compound with the molecular formula CgH1002 that exhibits the following spectral data.
Gnesinka [82]

Answer:

The answer you are looking for is A

7 0
4 years ago
While both comets and asteroids are found to orbit the sun in our solar system which system which choice correctly explain how t
Alika [10]

Answer:

Comets are made of ice, dust, and rocky material. Asteroids are made of rock and metal material.

Explanation:

thats how they are different from each other

6 0
3 years ago
Two liquids – one polar, one nonpolar – have the same molar mass. which one has the higher boiling point?
Anton [14]
Polar will always have the higher boiling point because they have strong van der waal forces

7 0
4 years ago
Other questions:
  • 2H2O2 → 2H2O + O2 synthesis decomposition combustion
    8·1 answer
  • What is the mass, in grams, of 0.125 L of CO2 at STP? Question 4 options: 2.80 g 181 g 0.246 g 4.11 g
    14·1 answer
  • Which of these describes the bonding between oxygen and a third hydrogen atom to form the hydro noun ion, H3O+
    11·1 answer
  • How many moles are equal to 1.4 x 10^24 atoms of aluminum
    5·1 answer
  • Acids and bases can neutralize each other in double displacement reactions. For example, if hydrogen chloride (a strong acid, HC
    9·1 answer
  • What type of reaction is Mg + Cl^2>MgCl^2
    9·1 answer
  • The titration of a 20.0-mLmL sample of an H2SO4H2SO4 solution of unknown concentration requires 22.87 mLmL of a 0.158 M KOHM KOH
    12·1 answer
  • Raising or lowering temperature. What happens to the pressure? Is this a direct or indirect relationship?
    9·1 answer
  • What is the Dependent variable?
    14·1 answer
  • 99<br> 96<br> 040Zr<br> +<br> 42He<br> ----&gt;<br> + "42Mo
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!