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Firlakuza [10]
3 years ago
14

Question 10

Chemistry
1 answer:
zepelin [54]3 years ago
3 0
Because the ring is hollow
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Compare molecular & covalent network crystal solid?​
Daniel [21]

Answer:

Molecular solids and covalent network solids are two types of solid compounds. The key difference between molecular solid and covalent network solid is that <em>molecular solid forms due to the action of Van der Waal forces </em>where as <em>covalent network solid forms due to the action of covalent chemical bonds.</em>

hope this helps

8 0
1 year ago
5. A plane starting from rest is accelerated to its takeoff velocity of 75 m/s during a 5
LuckyWell [14K]

Answer:

answer is 14

Explanation:

A= v-u/t

A = 75 - 0/5

A = 14

v = final velocity

U = initial velocity

T = time taken

8 0
2 years ago
Which of the following is the correct definition of minerals? A a naturally occurring, inorganic solid that has a crystal shape
Nataliya [291]
The correct answer for the question that is being presented above is this one: "A a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition." The correct definition of minerals is that it is a naturally occurring, inorganic solid that has a crystal shape and a definite chemical <span>composition</span>
6 0
3 years ago
A balloon of hydrogen is subjected to vacuum. The initial pressure and volume of hydrogen is 0.95 atm and 0.55 L. Calculate the
Scilla [17]

Answer:

0.43 atm

Explanation:

From the question given above, the following data were obtained:

Initial pressure (P₁) = 0.95 atm

Initial volume (V₁) = 0.55 L

Final volume (V₂) = 1.22 L

Final pressure (P₂) =?

The final pressure of the gas can be obtained by using the Boyle's law equation as follow:

P₁V₁ = P₂V₂

0.95 × 0.55 = P₂ × 1.22

0.5225 = P₂ × 1.22

Divide both side by 1.22

P₂ = 0.5225 / 1.22

P₂ = 0.43 atm

Therefore, the final pressure of the gas is 0.43 atm

7 0
3 years ago
What is the stable ion of beryllium.
Archy [21]

Answer:

Be^2+ ion

Explanation:

Be(OH)x^y- ions and Be(OH)2 solid

4 0
3 years ago
Read 2 more answers
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