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Sindrei [870]
3 years ago
5

What is the answer?

Chemistry
2 answers:
Lapatulllka [165]3 years ago
4 0

A. They are Brittle.

mr Goodwill [35]3 years ago
3 0
A. they are brittle
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How did elements get to earth?
mr_godi [17]

the universe formed through the big bang explosion, all of the elements on Earth have been cooked for billions of years in stars and then released in the universe through super- nova explosions.

4 0
2 years ago
Which is most likely to provide the best data on volcanic activity over the last 2000 years?
dimaraw [331]

Answer:

By the time the Vesuvius eruption sputtered to an end the next day, Pompeii was buried under millions of tons of volcanic ash. About 2,000 Pompeiians were dead, but the eruption killed as many as 16,000 people overall. By

the time the Vesuvius eruption sputtered to an end the next day, Pompeii was buried under millions of tons of volcanic ash. About 2,000 Pompeiians were dead, but the eruption killed as many as 16,000 people overall.

Explanation:

5 0
3 years ago
For each of the following ionic bonding examples, show the transfer of electrons, the ions resulting with the charges and the fi
fgiga [73]

Answer:

BaO

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Al₂O₃

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6 0
3 years ago
You have a gas at a volume of 9.71 L at a pressure of 209 torr and at 10.1 °C. What
Usimov [2.4K]

Answer:

219.95 °C

Explanation:

Given data:

Volume of gas = 9.71 L

Initial pressure = 209 torr (209/760 = 0.275 atm)

Initial temperature = 10.1 °C (10.1 +273 = 283.1 K)

Final temperature = ?

Final pressure = 364 torr (364/760 =0.479 atm)

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

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P₁/T₁ = P₂/T₂

Now we will put the values in formula:

0.275 atm / 283.1 K = 0.479 atm/T₂

T₂ = 0.479 atm × 283.1 K/ 0.275 atm

T₂ = 135.6 atm. K /0.275 atm

T₂ = 493.1 K

Kelvin to °C:

493.1 K - 273.15 = 219.95 °C

8 0
3 years ago
What's the difference between a molecular formula and a structural formula
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Glucose and Galactose both have the same molecular formula, C6H12O6, but in the body, galactose must be first converted to glucose to make energy. The difference<span> is their </span>structures 
3 0
3 years ago
Read 2 more answers
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