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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: I think it is D

Explanation:

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Which of the isomeric alcohols having the molecular formula c5h12o are chiral which are achiral?
Masteriza [31]

Answer:

Chiral:

3-Methyl-2-butanol

Achiral:

1-Pentanol

3-Pentanol

3-Methyl-1-butanol

Explanation:

Only the molecule that bears a carbon atom surrounded by 4 different groups can be said to be Chiral, the other molecules don't satisfy this property.

7 0
2 years ago
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A 1.25 g sample of aluminum is reacted with 3.28 g of copper (II) sulfate. What is the limiting reactant?
KengaRu [80]

Answer:

d. Copper (II) sulfate

Explanation:

Given data:

Mass of Al = 1.25 g

Mass of CuSO₄ = 3.28 g

What is limiting reactant = ?

Solution:

Chemical equation:

2Al + 3CuSO₄   →   Al₂ (SO₄)₃ + 3Cu

Number of moles of Al:

Number of moles = mass/molar mass

Number of moles = 1.25 g/ 27 g/mol

Number of moles = 0.05 mol

Number of moles of CuSO₄:

Number of moles = mass/molar mass

Number of moles = 3.28 g/ 159.6 g/mol

Number of moles = 0.02 mol

now we will compare the moles of reactant with product.

               Al           :           Al₂ (SO₄)₃

                 2          :             1

               0.05       :          1/2×0.05=0.025 mol

                Al           :            Cu

                 2            :              3

               0.05         :            3/2×0.05 = 0.075 mol

         CuSO₄           :           Al₂ (SO₄)₃

                3             :             1

               0.02         :          1/3×0.02=0.007 mol

         CuSO₄           :            Cu

               3               :              3

               0.02         :              0.02

Less number of moles of reactants are produced by CuSO₄ thus it will act as limiting reactant.

4 0
3 years ago
What is 1/4 cup of magnesium converted to grams
ahrayia [7]

Answer: 32 grams

Explanation:

8 0
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