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
Jet001 [13]
2 years ago
12

Assuming we have 100.0 g of element A, how much will be left after 4 half lives?

Chemistry
2 answers:
vladimir1956 [14]2 years ago
5 0

Answer:

Half Life 1: 100/2 = 50

Half Life 2: 50/2 = 25

Half Life 3: 25/2 = 12.5

Half Life 4: 12.5/2 = 6.25g

Explanation:

Vlada [557]2 years ago
4 0

Answer:

25

Explanation:

because 100 divided by4 is 25

You might be interested in
Assuming the compound is dissolved in water what is the formula for phosphorus acid?
Alik [6]
I guess B but not sure
7 0
3 years ago
Which characteristic is typical of metals? A. They are brittle. B. They do not conduct electricity. C. They are highly soluble i
shutvik [7]

D. They are malleable.


7 0
2 years ago
Read 2 more answers
How much pressure would 0.8 moles of a gas at 370K exert if it occupied 17.3L of space
dezoksy [38]

Answer:

1.40 atm is the pressure for the gas

Explanation:

An easy problem to solve with the Ideal Gases Law:

P . V = n . R .T

T° = 370K

V = 17.3L

n = 0.8 mol

Let's replace data → P . 17.3L = 0.8mol . 0.082L.atm/mol.K . 370K

P = (0.8mol . 0.082L.atm/mol.K . 370K) / 17.3L = 1.40 atm

7 0
2 years ago
Read 2 more answers
Write the mechanism of the reaction of methyl benzoate to form methyl 2-nitrobenzoate.
Galina-37 [17]
The question is partially incorrect, because nitration of <span> methyl benzoate results in generation of methyl 3-nitrobenzoate, and not methyl 2-benzoate.

This a because of the present of ester group, which deactivated benzene ring at ortho and para position. Due to this, the electrophile (NO2+) attackes on meta position.

The detailed mechanism is attached below.</span>

8 0
3 years ago
Read 2 more answers
Which form of energy can be connected closely to climate change?
Art [367]

Answer:

COAL

Explanation:

4 0
3 years ago
Other questions:
  • Determaine the Ph of a .0065m Ba(OH)2 solution
    13·1 answer
  • Argon, which comprises almost 1 percent of the atmosphere, is approximately 27 times more abundant than CO2, but does not contri
    11·1 answer
  • How does dry ice shrink in size
    7·2 answers
  • When calcium is allowed to react with nitrogen, calcium nitride is formed. If 24.0 g of calcium and 12.0 g of nitrogen are avail
    11·1 answer
  • 6969696969696969696696969696969+333333333x3333333333333
    8·1 answer
  • Question 24
    10·1 answer
  • 2 NaOH (s) + CO2(g) → Na2CO3 (s) + H20 (I) How many grams of water can be produced with 1.85 moles of NaOH​
    7·2 answers
  • What minimum mass of HCl in grams would you need to dissolve a 2.2 g iron bar on a<br> padlock?
    15·1 answer
  • A quantity of 1.922 g of methanol (CH3OH) was burned in a constant-volume bomb calorimeter. Consequently, the temperature of the
    15·1 answer
  • Minerals are all naturally occurring solid substances with a definable chemical composition. They must also possess Group of ans
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!