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fomenos
3 years ago
10

Why do submarines have to be built with such strong, thick walls, compared to ships? Explain in as much detail as you can using

ideas about water pressure.
Chemistry
1 answer:
ankoles [38]3 years ago
4 0
Ships only go a couple meters under water so their hull is not required to go so far underwater. A submarine goes much lower which means there is much more pressure on the hull which requires a bigger hull.
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Calculate the energy required to heat 406.0mg of cyclohexane from 33.5°C to 38.9°C . Assume the specific heat capacity of cycloh
N76 [4]

Answer:

Q = 4.056 J

Explanation:

  • Q = m<em>C</em>ΔT

∴ m = 406.0 mg = 0.406 g

∴ <em>C </em>= 1.85 J/g.K

∴ T1 = 33.5°C ≅ 306.5 K

∴ T2 = 38.9°C = 311.9 K

⇒ ΔT = 311.9 - 306.5 = 5.4 K

⇒ Q = (0.406 g)(1.85 J/gK)(5.4 K)

⇒ Q = 4.056 J

6 0
3 years ago
A wind turbine generating electricity involves electromagnetic energy. thermal energy. solar energy. mechanical energy. chemical
Vaselesa [24]
<h2>A wind turbine generating electricity involves electromagnetic energy. thermal energy. solar energy. mechanical energy. chemical energy. nuclear energy.</h2><h2>ans: electromagnetic energy, thermal energy, solar energy, and mechanical energy.</h2>

Explanation:

Wind mill

It consist of shaft pole and blades that can rotate .

It converts wind energy into electrical energy .

The shaft of wind mill is connected to shaft of armature of generator .

When the fast moving wind rotates the blades of windmill its shaft rotates, armature rotates hence electricity is produced which is further used for various purposes .  

Advantage of using wing energy

it is natural renewable resource  

It is eco friendly  

Disadvantage :

1. It cant be established everywhere  

2. It requires large area  

3. It is an expensive project  

4. Wind dosen't blow all the time so win energy cant be produced every time  

5. Minimum speed of wind required is 15km per hour .

So, the wind turbine generating electricity involves mechanical energy of wing and blades .

7 0
4 years ago
27. The unit of volume in the metric system is the liter,
I am Lyosha [343]

Liters and millilitres are the most common units of volume.

The volume equal to a gallon of gasoline is 3785 m L which is equal to 3.785 L.

The volume equal to pint of milk is 473...

A a cup of water is 0.24 L

7 0
3 years ago
At a job interview, the most effective way to prove your proficiency to a prospective employer is to show that you have 
inna [77]
The most effective way to showcase your proficiency in a job interview is to show certificates. For example, in this case, option D. certification as an electronics technician. Option A's online research experience is menial as well as using own test equipment as this renders hassle and futile. Membership cannot guarantee job proficiency, too. Answer is D.
7 0
4 years ago
1. Two hypothetical elements in the periodic table have different characteristics as shown in the following table.
pickupchik [31]

Answer:

gas and element and compound

Explanation:

because it's different and more power so the elements

8 0
3 years ago
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