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laiz [17]
3 years ago
10

Can someone help me please but on those two questions

Chemistry
1 answer:
AleksandrR [38]3 years ago
6 0

Answer:

In first mcq correct option is "solid"  while in 2nd correct is "gas"

Explanation:

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How does removing thermal energy from liquid water affect the molecules in the water?
galina1969 [7]

Answer:

For deposition to happen, thermal energy must be removed from the gas. ... As water vapor loses thermal energy, it changes into solid frost. States of Water. Water is the only substance that exists naturally as a solid, a liquid, and a gas within Earth's temperature range.

Explanation:

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3 years ago
What is the difference between gases and nonmetal?
ExtremeBDS [4]

Answer:

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3 0
3 years ago
In 2021, you were given a 100. g wine sample to verify its age. Using tritium dating you observe that the sample has 0.688 decay
nikdorinn [45]

Answer:

1984

Explanation:

Given the formula;

0.693/t1/2 = 2.303/t log (Ao/A)

Where;

t1/2 = half life of the radioactive isotope

t= age of the wine

Ao= initial activity of the wine

A= activity of the at time = t

0.693/12.3 = 2.303/t log (5.5/0.688)

0.693/12.3 = 2.079/t

0.056 = 2.079/t

t= 2.079/0.056

t= 37 years

The wine was produced 37 years ago which means that it was produced in the year 1984

7 0
3 years ago
When potassium permanganate is stirred in water, it turns to purple. How would
timama [110]
Mixture because your pouring something into it then stirring it i don’t know.
6 0
1 year ago
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