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3 years ago

Which has not been a major source of CFCs

Chemistry

2 answers:

Alik [6]3 years ago

6 0

Answer:

• televisions

ipn [44]3 years ago

4 0

Answer : Any natural sources of CFC's are not known only the major sources like aerosols, propellants, refrigerants,etc are known. So, if any natural sources are given then it cannot be called as a major source for emitting CFC into environment.

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Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atom

Travka [436]

Answer:

Explanation:

7 0

2 years ago

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The diagram below show an enlarged view of the beams of a triple-beam balance

VLD [36.1K]

Answer:

1) 455.2 g. 2) 545.2 g.

Explanation:

i think this is right

6 0

2 years ago

PLEASE HELP ASAP PLEASE

USPshnik [31]

Answer:

If it served you, give me 5 stars please, thank you!

m = 25  Kg

8 0

3 years ago

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of

Stells [14]

Given information:

Mass of NaCl (m) = 87.75 g

Volume of solution (V) = 500 ml = 0.5 L

Molar mass of NaCl (M) = 58.44 g/mol

To determine:

The molarity of NaCl solution

Explanation:

Molarity is defined as the number of moles of solute(n) dissolved per liter of solution (V)

i.e. M = moles of solute/liters of solution = n/V

Moles of solute (n) = mass of solute (m)/molar mass (M)

moles of NaCl = 87.75 g/58.55 g.mol-1 = 1.499 moles

Therefore,

Molarity of NaCl = 1.499 moles/0.5 L = 2.998 moles/lit ≅ 3 M

Ans: (D)

4 0

3 years ago

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What is the value of youth participating in volunteering

bearhunter [10]

Answer:

Volunteering helps the teens gain new skills necessary for the job market such as leadership, communication skills, dependability, time management, and decision making.

Explanation:

The Hidden Values of Volunteering

Learn New Skills. One fantastic thing that volunteering can offer you is a new understanding of your own abilities. ...

Test for Your Future. An added side effect of volunteering is that it gives you an opportunity to try out possible careers, majors, and opportunities. ...

Meet New People. ...

Accomplish Something Important.

HOPE THIS HELPED ❤✨

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3 years ago