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Lynna [10]
3 years ago
5

Lighting a match is an example of what kind of energy conversion?

Chemistry
2 answers:
sukhopar [10]3 years ago
7 0

Answer:

A is the answer.

Explanation:

Alika [10]3 years ago
4 0

Answer:

Mechanical Energy to Thermal Energy

When you strike a match, it moves through the air until it rubs against a surface. The rubbing produces the heat required to light the match. This is a transformation from mechanical energy to thermal (heat) energy.

Explanation:

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Earths surface is warmed by heat, ___ by the sun.
zavuch27 [327]

Radiated would be the answer

4 0
3 years ago
Nitrogen:0.781 oxygen:0.209 argon: 0.010 (Mole fraction)
horrorfan [7]

Answer:

The partial pressure of nitrogen is 597.5 torr

Explanation:

Step 1: Data given

Mol fraction of N = 0.781

Mol fraction of O = 0.209

Mol fraction Ar = 0.010

Atmospheric pressure = 765.0 torr

The partial pressure is given by  Pi = Xi * Pt

⇒ χ i  =  the mole fraction of gas  i  in the mixture

⇒ P total  = the total pressure of the mixture

Step 2: Calculate the partial pressure of nitrogen

P(N) = mol fraction of N * atmospheric pressure

P(N) = 0.781 * 765.0 torr = 597.5 torr

The partial pressure of nitrogen is 597.5 torr

8 0
4 years ago
Calculate the formula/molecular mass of following
ddd [48]

Answer:

Refer to the period table. Use the atomic mass for calculation. Multiply the atomic mass with the number of atoms. For example, Al2(SO4)3. (27 × 2) + (32 x 3) + (16 x 12) = molecular mass

8 0
3 years ago
A world without friction would it be?<br> Bill Nye Video
cupoosta [38]

Answer:

it opposes motion. the object would continue to slide forever if not stopped by another object.

8 0
3 years ago
A gas has a volume of 2,280 ml. at 30.0C and 808 mm. pressure. Calculate its volume at standard temperature and pressure.
White raven [17]

Explanation:

Which statement best evaluates the effectiveness of the conclusion

paragraph?

Thesis Statement: My future job must include human interaction, a

nontraditional workspace, and teamwork.

Main Points:

1. Work with people

2. Work in a nontraditional workspace

3. Work in a place where coworkers share ideas

Conclusion: In the end, my future job will be one that allows me to

collaborate with my coworkers in dynamic and nontraditional

workspaces. If I am forced to sit behind a desk I will be extremely bored. Furthermore, I will be less productive if I am forced to work alone without the chance to discuss ideas with my coworkers. So the next time an adult asks me what I want to do when

I grow up, I will tell them a job without a desk, in an office full of

people. That's my dream job!

A. The conclusion is effective because it presents interesting information not addressed in the body paragraphs.

B. The conclusion is ineffective because it does not restate the thesis in a new way.

C. The conclusion is effective because it restates the thesis, summarizes the main points, and includes a satisfying close.

D. The conclusion is ineffective because it fails to leave the reader with a thought-provoking question.Which statement best evaluates the effectiveness of the conclusion

paragraph?

Thesis Statement: My future job must include human interaction, a

nontraditional workspace, and teamwork.

Main Points:

1. Work with people

2. Work in a nontraditional workspace

7 0
3 years ago
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