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Bumek [7]
3 years ago
13

Turbines are 100 percent efficient. True False

Chemistry
2 answers:
max2010maxim [7]3 years ago
6 0
False because there’s only 60% turbulence 20% heat 20% sound
GrogVix [38]3 years ago
5 0

Answer:

False

Explanation:

A turbine is a machine formed by a wheel with several propellers. By continuously receiving a liquid in its central part, the turbine expels to its circumference and can harness its energy to generate a driving force.

Although turbines are very efficient, some failures can always come up, so it is not correct to say that turbines are 100% efficient.

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How much heavier is an alpha particle than an electron?
grandymaker [24]
An electron weighs 1/1836 atomic mass unit and, on the other hand, an alpha particle weighs 4 atomic mass unit.

<span>4 amu / (1/1836 amu) = 7344 </span>

<span>Therefore, an alpha particle is 7344 times heavier than an electron. 

Hope this answers the question. Have a nice day.</span>
4 0
4 years ago
Read 2 more answers
Explain the following: Unless the loss of reactant is extreme, only the loss of limiting reactant mass truly introduces error in
natita [175]

Answer:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

Explanation:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

6 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!
Akimi4 [234]

Answser

i didnt do dis my mom has a answer key book

Explanation:

4 0
3 years ago
How many moles of NH₃ can be produced from 4.81 moles of nitrogen in the following reaction:
makkiz [27]

Answer:

9.62moles of NH₃

Explanation:

Given parameters:

Number of moles of nitrogen  = 4.81moles

Unknown:

Number of moles of  NH₃ = ?

Solution:

To solve this problem, we need to establish a balanced reaction equation:

            N₂  +  3H₂  →  2NH₃

Now, we can solve the problem by working from the known to the unknown.

          1 mole of N₂ produced 2 moles of NH₃

         4.81moles of N₂ will produce 2 x 4.81  = 9.62moles of NH₃

8 0
4 years ago
What do you think happens to the air in the collid when ice cream melts ?
vichka [17]

The air escapes into the atmosphere.

An <em>emulsion</em> is a colloidal dispersion of one liquid in another liquid in which it does not dissolve.

<em>Ice cream</em> is essentially an emulsion of the fat in milk with a sugar solution trapped in a network of small ice crystals. Other chemicals are added to prevent the emulsion from separating, and air bubbles are mixed into the semisolid mixture.

<em>Up to 50 %</em> of the volume of ice cream can be air.

When the ice cream melts, the air bubbles are <em>no longer trapped</em>. They just escape into the atmosphere.

If you re-freeze the melted ice cream, its volume will be much less than the original.

6 0
3 years ago
Read 2 more answers
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