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777dan777 [17]
3 years ago
6

Which of the following do you think use plasma? welding rocket engines computer chips surgery chemical analysis ozone generation

Chemistry
2 answers:
cricket20 [7]3 years ago
6 0

Welding and computer chips

timofeeve [1]3 years ago
4 0
<h3><u>Answer</u>;</h3>

Rocket engines

<h3><u>Explanation</u>;</h3>
  • <em><u>Plasma is a hot, dense ionized state similar to that inside a fusion reactor or star.</u></em>
  • Some type of rocket engine uses electrical source to transform hydrogen gas into plasma.
  • Then powerful magnets force the plasma out of the engine to propel the rocket at very high speeds of about 123,000 mph.
  • <em><u>Instead of fuel, plasma jet engines use electricity to generate electromagnetic fields. These compress and excite a gas, such as air or argon or hydrogen, into a plasma.</u></em>
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Answer:

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1. How much energy (in KJ) is required to convert 50.0g of ice at – 30 ˚C to<br> steam at130˚C.
Vitek1552 [10]

Answer:

How much heat energy required to convert following?

How much heat energy, in kilojoules, is required to convert 47.0 g of ice at -18.0 C to water at 25.0 C ?

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This is how I did it and the answer is wrong...Please check and correct me

Q = m * Cice * Change in Temp

Q = (47.0 g)(2.09 J/g*c)(43) = 4222.6 J * 0.001 kj / j = 4.22 kj

4 0
2 years ago
What is the percent composition of Fluorine in CF5?
posledela
The answer is 100%
let me know if you want an explanation
6 0
3 years ago
How many moles in 4.3 x 1024 atoms of sodium (Na)?
wel

Answer:How many ions are in 2 moles of NaCl?

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Explanation:

sorry i was running out of time

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