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Sindrei [870]
2 years ago
5

Tin-126 has a half life of 100,000 years. How many years does it take to

Chemistry
2 answers:
lana66690 [7]2 years ago
6 0

Answer:

300,000 years

Explanation:

100g=0 years

50g=100,00 years

25g=200,00 years

12.5g=300,000 years

Nostrana [21]2 years ago
3 0
300’000 yes I think she is correct
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Need help asappp please
Jet001 [13]

Answer:

<h2>C.POLAR</h2>

Explanation:

According to research :

Methanol is a polar molecule:

The alcohol (-OH) group dominates the molecule making it definitely polar.

8 0
3 years ago
To make a 6.50M solution, how many moles of solute will be needed if 12.0 liters of solution are required
avanturin [10]

Answer:

78 moles of the solute

Explanation:

From the question;

  • Molarity of the solution is 6.50 M
  • Volume of the solution is 12.0 L

We want to determine the number of moles needed

We need to know that;

Molarity = Number of moles ÷ Volume

Therefore;

Number of moles = Molarity × Volume

Hence;

Number of moles = 6.50 M × 12.0 L

                             = 78 moles

Thus, the moles of the solute needed is 78 moles

8 0
2 years ago
What do you think is meant by the phrase "a balanced diet"?
Maurinko [17]
To have the right combinations of foods to provide nutrients
5 0
3 years ago
A sample of an ideal gas at 1.00 atm and a volume of 1.82 L was placed in a weighted balloon and dropped into the ocean. As the
Anvisha [2.4K]

Answer:

The answer to your question is Volume = 0.12 L

Explanation:

- Data

Pressure 1 = 1 atm

Volume 1 = 1.82 L

Pressure 2 = 15 atm

Volume 2 = ?

Temperature = constant

- Formula

- To solve this problem use the Boyle's law

            P1V1 = P2V2

- Solve for V2

            V2 = P1V1 / P2

- Substitution

             V2 = (1)(1.82) / 15

- Simplification

             V2 = 1.82 / 15

- Result

             V2 = 0.12 L

3 0
3 years ago
Explain why the elements in group 7 have 7<br> valence electrons.
Citrus2011 [14]

Answer:

The periodic table was made that way by the scientists who created it

Explanation:

to make things easier for the users.

6 0
3 years ago
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